[Electromagnetism] Publications

Books

1.  J.A.G. Malherbe Microwave Transmission Line Filters, Artech House, Dedham, Mass., 1979.

2.  J.A.G. Malherbe, Microwave Transmission Line Couplers, Artech House, Norwood, Mass., 1988.

3.  D.A. M^cNamara, C.W.I. Pistorius and J.A.G. Mal­herbe, An Introduction to the Uniform Geometrical Theory of Diffrac­tion, Artech House, Norwood, Mass., 1990.

 

Book Chapters

1.  J.A.G. Malherbe, “Lens Antennas” in Encyclopedia of RF and Microwave Engineering, Kai Chang, Ed., John Wiley & Sons, Inc., New Jersey, 2005.

2.  J.P. Jacobs, J. Joubert and J.W. Odendaal, “Design of Non-Uniformly Excited Linear Slot Arrays Fed by Coplanar Waveguide”, in Microwave and Millimeter Wave Technologies, Vienna: In-Tech Ed., (ISBN 978-953-307-083-4), 2010.

3.  J.P. Jacobs, S. Koziel, and L. Leifsson, “Bayesian Support Vector Regression Modeling of Microwave Structures for Design Applications,” in Surrogate-Based Modeling and Optimization: Applications in Engineering (eds. S. Koziel, L. Leifsson), Springer Proceedings in Mathematics & Statistics, 2013.

Accredited Journals

1976-1980

1.  J.A.G. Malherbe, "TEM pseudo‑elliptic function filters using noncommen­surate lines", IEEE Trans. Microwave Theory Tech., vol. MTT‑24, no. 5,  pp. 242­-248, May 1976.

2.  J.A.G. Malherbe, "Interdigital directional couplers with an odd or even number of lines and unequal charac­teristic impe­dances", Electro­nics Lett., vol.12, no.18, pp. 464‑465, Sept. 1976.

3.  J.A.G. Malherbe, "The locus of points of constant VSWR when renorma­lized to a different charac­teris­tic im­pedance", IEEE Trans. Microwave Theory Tech., vol. MTT­‑25, no. 5, pp. 444-­445, May 1977.

4.  J.A.G. Malherbe, "Realization of elliptic function bandstop filters by means of a resonated proto­type", IEEE Trans. Microwave Theory Tech., vol. MTT‑25, no. 8, p. 717, Aug. 1977.

5.  J.A.G. Malherbe and A.F. Steyn, "The compensation of step discon­tinuities in TEM‑mode transmis­sion lines", IEEE Trans. Microwave Theory Tech., vol. MTT‑26, no. 11, pp. 883‑­885, Nov. 1978.

6.  J.A.G. Malherbe, "An Etched Digital Elliptic Fil­ter", Microwave Journal, vol. 22, no. 12, pp. 60‑61, Dec. 1979.

7.  J.A.G. Malherbe, "Miniature wideband filters for hybrid system applications", Trans. SAIEE, vol. 71, Part 2, Feb. 1980.

8.  J.A.G. Malherbe, T.N. Trinh and R. Mittra, "Tran­si­tion from metal to dielectric wave­guide", Micro­wave Journal, vol. 23, no. 11, pp. 71‑74, Nov. 1980.

1981-1985

1.  J.A.G. Malherbe, "Calculator program for mutual im­pedance", Microwave Journal, Euro‑Global edition, vol. 27, no. 2, pp. 82‑H ‑ 82‑M, Feb. 1984.

2.  J.A.G. Malherbe and D.B. Davidson, "Mutual im­pedance for half‑cosi­nusoid slot voltage distribu­tion: an evalua­tion", IEEE Trans. Antennas Propa­gat., vol. AP‑32, no. 9, pp. 990‑­991, Sept. 1984.

3.  J.A.G. Malherbe,"The design of a slot array in non­radiating dielectric waveguide, Part I: Theory", IEEE Trans. Antennas Propagat., vol. AP‑32, no. 12, pp. 1335‑1340, Dec. 1984.

4.  J.A.G. Malherbe, J.H. Cloete, I.E. Lösch, M.W. Rob­son and D.B. Davidson, "The design of a slot array in nonradiating dielectric waveguide, Part II: Experi­ment", IEEE Trans. Antennas Propagat., vol. AP‑32, no. 12, pp. 1341‑1344, Dec. 1984.

5.  J.A.G. Malherbe, J.H. Cloete and I.E. Lösch, "A transi­tion from rectangular to non‑radiating dielec­tric waveguide", IEEE Trans. Microwave Theory Tech., vol. MTT‑33, no. 6, pp. 539‑543, June 1985.

6.  A.F. Celliers and J.A.G. Malherbe, "Design curves for ‑3dB branchline couplers", IEEE Trans. Micro­wave Theory Tech., vol. MTT‑33, no. 11, pp. 1226‑1228, Nov. 1985.

7.  J.A.G. Malherbe, "Correction to the design of a slot array in nonradiating dielectric waveguide, Part I: Theory", IEEE Trans. Antennas Propa­gat., vol. AP‑33, no. 11, p. 1284, Nov. 1985.

1986-1990

1.  J.A.G. Malherbe, "Integrated Traveling Wave Antenna for Non‑Radia­tive Dielectric Waveguid­e", Electro­nics Let­ters, vol. 22, no. 9, pp. 481‑482, 24 April 1986.

2.  J.A.G. Malherbe and J.C. Olivier, "A Bandstop Filter Con­structed in Coupled Non‑Radia­tive Dielec­tric Wave­guid­e," IEEE Trans. Microwave Theory Tech., vol. MTT­‑34, no. 12, pp. 1408-1412, Dec. 1986.

3.  J.A.G. Malherbe and J.C. Olivier, "A Resonant Coupled Stub in NonRadiative Dielectric Waveguide", Elec­tronics Letters, vol. 23, no. 14, pp.749-750, 2 July 1987.

4.  J.A.G. Malherbe and I.E. Lösch, "Directional Coup­lers Using a Re-entrant Cross Section", Microwave Journal, pp. 121-128, Nov. 1987.

5.  J.A.G. Malherbe and C.W.I. Pistorius, "Prediction of the Error due to Distance in the Measure­ment or Calculation of Electro­magnetic Backscatter from a Cylindrical Body", Electronics Letters, vol. 23, no. 24, pp. 1310-1311, 19 Nov. 1987.

6.  J.A.G. Malherbe and J.C. Coetzee, "Bandstop Filter in NonRadiative Dielectric Waveguide Using Rectan­gular Resona­tors", IEEE Trans. Microwave Theory Tech., vol. 35, no. 12, pp. 1161-1163, Dec. 1987.

7.  J.A.G. Malherbe and M.C. Wijnbeek, "A Gunn Diode Oscil­lator Constructed in NonRadiative Dielectric Waveguide", Electro­nics Letters, vol. 23, no. 25, pp. 1368-1369, 3 Dec. 1987.

8.  J.C. Olivier and J.A.G.  Malherbe, "Characteristics of Coupled Non-Radiative Dielectric Waveguide", Transac­tions of SAIEE, vol. 78, no. 2, pp.43-45, Dec. 1987.

9.  J.A.G. Malherbe, "Teaching and Research in Electromag­netics at the University of Pretoria", IEEE Antennas and Propaga­tion Society Newsletter, vol. 30, no. 1, pp. 5-7, Feb. 1988.

10.  J.C.Olivier and J.A.G.Malherbe, "Variational Bound Analysis of a Discontinuity in Nonradiative Dielec­tric Waveguide", IEEE Trans. Microwave Theory Tech., vol. MTT-36, no. 6, pp. 1105-1107, June 1988.

11.  I.E. Lösch and J.A.G. Malherbe, "Design Procedure for Inhomogeneous Coupled Line Sections", IEEE Trans. Microwave Theory Tech., vol. 36, no. 7, pp. 1186-1190, July 1988.

12.  J.A.G. Malherbe, "A Compact Horn Antenna with Low Return Loss", Trans. SAIEE., vol. 79, no. 1, pp. 38-39, July 1988.

13.  J.A.G.Malherbe, "A Leaky‑Wave Antenna in Non-Radiative Dielectric Waveguide", IEEE Trans. Antennas Propaga­t., vol. 36, no. 9, pp. 1231-1235, Sept. 1988.

14.  J.A.G.Malherbe, "An Integrated Antenna for Non‑Ra­dia­tive Die­lec­tric Wave­gu­ide", Trans. SAIEE, vol. 79, no. 2, pp. 79-81, Dec. 1988.

15.  K.Cloete and J.A.G.Malherbe, "Accuracy of a Physi­cal Optics Ap­proxi­mation to the Back­scat­ter of a Com­plex Struc­ture," Trans. SAIEE, vol. 79, no. 2, pp. 82-83, Dec. 1988.

16.  D.A. McNamara and J.P. Jacobs, “On the equivalence of the excitations producing optimal slope-sum product for a linear two-section monopulse array and the corresponding  continuous line source,” Electronics Letters, vol. 24, no. 17, pp. 1081-1082, 1988.

17.  D.C. Baker and S. Lambert, "Multiparabolic ionospheric model for SSL application", Electronics Letters, vol. 24, no. 7, pp. 425-426, 1988.

18.  J.J. Boonzaaier and J.A.G. Malherbe, "Electromag­netic Backscatter from Open-ended Circular Cylinder with Complex Termination", Electro­nics Letters, vol. 25 no. 3, pp.218-2202, Feb. 1989.

19.  J.A.G. Malherbe, "Analysis of a Linear Antenna Array Including the Effects of Mutual Coupling", IEEE Trans. Education, vol. 32, no. 1, pp. 29-34, Feb. 1989.

20.  J.C. Coetzee and J.A.G. Malherbe, "Dispersion Charac­teris­tics for Double-Sided Slotlines", Electronics Letters, vol. 25, no. 20, pp. 1383-1385, 28 Sept. 1989.

21.  A.J. Booysen and J.A.G. Malherbe, "Transmission Line Analysis of a Linear Double Taper in Rectan­gular Wave­guides", Microwave Journal, vol. 32, no. 11, pp. 169-171, Nov. 1989.

22.  J. Joubert and D.A. McNamara, "A dyadic Green’s function of the electric type for inhomogeneously loaded rectangular waveguide" , IEE Proc. Part H, vol. 136, no. 6, pp. 469-474, Dec. 1989.

23.  D.C. Baker and S. Lambert, "Range estimation for SSL HFDF systems by means of a multiquasiparabolic ionospheric model", IEE Proceedings H: Microwaves, Antennas and Propagation, vol. 136, no. 2, pp. 120-125, 1989.

24.  M.C. de Villiers and J.A.G. Malherbe, "Position of the travelling wave lobes in the backscatter pattern of cylin­ders", Electronics Letters, vol. 26, no. 2, pp. 147-148, 18 Jan. 1990.

25.  F.J. Rosenbaum, "Teaching Electromagnetics Around the World: A Survey", IEEE Trans. Education, vol. 33, no. 1, pp. 22-34, Feb. 1990. (Contributors by invitation: P.J. Clarricoates, F.E. Gardiol, V. Shugorov, A. Augusto de Salles, H. Yamashita, B.T. Vu, V. Wiesbeck, S.E. El-Khamy, J. Shapira, J.A.G. Malherbe, K.C. Mukerjee and Mao-Yukuan).

26.  J.C. Coetzee and J.A.G. Malherbe, "Characteristic Impedance for Double-Sided Slotlines", Microwave and Optical Tech­nology Letters, vol. 3, no. 3, pp. 85-88, March 1990.

27.  J.C. Coetzee en J.A.G. Malherbe, "A Hybrid Near-Optimum Impedance Transition with one Discon­tinuity", Micro­wave and Optical Technology Letters, vol. 3, no. 7, pp. 249-256, July 1990.

28.  C.W.I. Pistorius, J.A.G. Malherbe and K. Cloete, "Radar Cross Section: What it is and why it is important to aeronautical en­gineers", Aeronautica Meridiana, vol. 8, pp. 109-113, 1990.

29.  J.C. Coetzee and J.A.G. Malherbe, "Generalized Theory of a Non-TEM Transmission Line Taper Without Discon­tinuities", Electronics Letters, vol. 26, no. 19, pp. 1549-1550, 13th Sept. 1990.

30.  D.A. McNamara and J.P. Jacobs, “The utilization of nonuniform spacings for improved two-section monopulse array performance,” Microwave Opt. Technol. Lett., vol. 3, no. 3, pp. 106-109, 1990.

31.  D.C. Baker, "Effect of F1-layer L-condition on ranging accuracy for SSL HFDF systems", Electronics Letters, vol. 26, no. 16, pp. 1301-1303, 1990.

32.  D.C. Baker and T.G. Reuss, "Investigation of the design of a log-periodic dipole array with low side-lobe levels for broadcast applications", IEEE Trans. on Broadcasting, vol. 36, no. 1, pp. 89-93, 1990.

1991-1995

1.  J. Joubert and D.A. McNamara, "Longitudinal slots in broad wall of rectangular waveguide loaded with a dielectric slab", Electron Lett. , vol. 27, no. 16, pp. 1480-1482, 1 Aug. 1991.

2. J.W. Odendaal and C.W.I. Pistorius, "Horn antenna with suppressed sidelobe level", Microwave and Optical Technology Letters, vol. 4, no. 6, pp. 238-239, May 1991.

3.  A.J. Booysen, C.W.I. Pistorius and J.A.G. Malherbe, "Reduc­tion of the RCS of the leading edge of a conducting wing-shaped structure by means of lossless dielectric material", Microwave and Optical Technology Letters, vol. 4, no. 7, pp. 277-279, June 1991.

4.  M.C. de Villiers and J.A.G. Malherbe, "Convergence criteria for body of revolution moment method calculation of elec­tromagnetic backscatter from long cylinders exhibiting backscatter travelling wave lobes", Trans. SAIEE, vol. 82, no. 2, pp. 109-111, June 1991.

5.  M.C. de Villiers and J.A.G. Malherbe, "Isolation of the Travelling Wave Contribution to the Backscatter Pattern of Conducting Cylinders", IEE Proceedings-H, Vol. 138, No.5, pp.417-420, Oct. 1991.

6.  D.C. Baker, "On the functioning of a helicopter-borne HF loop antenna", Applied Computational Electromagnetic Society Journal, vol. 6, no. 2, pp. 53-73, 1991.

7.  D.A. McNamara, J.P. Jacobs and J. Joubert, "On the form of the field in a small-offset longitudinal slot in the broad wall of a rectangular waveguide", Electronics Letters, vol. 28, no. 1, pp. 16-17, 2 Jan. 1992.

8.  J.C. Olivier and D.A. McNamara, "The analysis of multiport rectangular devices using the pulsed finite-difference time-domain technique", Electronics Letters, vol. 28, no. 2, pp. 129-131, 16 Jan. 1992.

9.  D.C. Baker, "Mechanical damping of vibration of staywires on antenna masts", Applied Computational Electromagnetic Society Journal, vol. 7, no. 1, pp. 41-42, March 1992.

10.  D.C. Baker and J.J. Burden, "Effect of F1-layer L-condition on ranging accuracy for SSL HFDF systems", Electronics Letters, vol. 28, no. 26, pp. 1956-1958, 1992.

11.  A.J. Booysen and C.W.I. Pistorius, "Electromagnetic Scattering by a Two-Dimensional Wedge Composed of Conductor and Lossless Dielectric", IEEE Transactions on Antennas and Propagation, vol. 40, no. 4, pp. 383-390, April 1992.

12.  E. Botha and D.A. McNamara, "Direct synthesis of near-optimum difference patterns for planar arrays", Electronics Letters, vol. 28, no. 8, pp. 753-754, 9 April 1992.

13.  J.W. Odendaal and C.W.I. Pistorius, "E-Plane Analysis of a Modified Horn Antenna with Suppressed Far-Our Sidelobe Level", IEEE Transactions on Antennas and Propagation, vol. 40, no. 6, pp. 620-627, June 1992.

14.  J.J. Boonzaaier and C.W.I. Pistorius, "Radiation and scattering by thin wires with a dielectric coating - A finite difference time - domain approach", Microwave and Optical Technology Letters, vol. 5, no. 6, pp. 288-291, 5 June 1992.

15.  D.J. Janse van Rensburg, Jr., J.A.G. Malherbe and D.A. McNamara, "Computation of electromagnetic plane-wave scattering from a curved dielectric shell using a physical optics approach", Microwave and Optical Technology Letters, vol. 5, no. 7, pp. 326-328, June 20, 1992.

16.  D.A. McNamara, J.A.G. Malherbe and C.W.I. Pistorius, "External contribution to electromagnetic scattering from planar antenna array of open rectangular waveguides", Electronics Letters, vol. 28, no.15, pp. 1415-1417, 16th July 1992.

17.  J.P. Jacobs and D.A. McNamara, "Theoretical evidence for the near-cosinusoidal field distribution of edge slots in rectangular waveguide", Microwave and Optical Technology Letters, vol. 5, no. 13, pp. 686-699, Dec. 1992.

18.  D.A. McNamara, J.A.G.  Malherbe and C.W.I. Pistorius, "External contribution to electromagnetics scattering from planar antenna array of open waveguides", Electronics Letters, vol. 5, no. 13, pp. 686-691, December 1992.

19.  J.W. Odendaal and C.W.I. Pistorius, "A Method to Measure the Aperture Field and Experimentally Determine the Near-field Phase Center of a Horn Antenna", IEEE Transactions on Instrumentation and Measurement, vol. 42, no. 1, pp. 51-53, Feb. 1993.

20.  J.J. Boonzaaier and C.W.I. Pistorius, "Scattering by thin lossy dielectric plates - A Finite-difference time-domain approach", Microwave and Optical Technology Letters, vol. 6, no. 5, pp. 326-332, April 1993.

21.  J.C. Coetzee and J.A.G. Malherbe, "Analysis of a semi re-entrant microstrip coupler", J. Electromag. Waves Applicat., vol. 7, no. 4, pp. 513-531, April 1993.

22. D.A. McNamara and E. Botha, "Generalised Villeneuve distributions and various definitions of root-mean-square sidelobe levels", Electronics Letters, vol. 29, no. 11, pp. 989-990, May 1993.

23.  E. Botha and D.A. McNamara, "On the direct synthesis of high-directivity tapered-sidelobe planar arrays with circular boundaries", Microwave and Optical Technology Letters, vol. 6, no. 11, pp. 623-626, Sept. 1993.

24.  E. Botha and D.A. McNamara, "Conformal array synthesis using alternating projections, with maximum likelihood estimation used in one of the projection operators", Electronics Letters, vol. 29, no. 20, pp. 1733-1734, Sept. 1993.

25.  E. Botha and D.A. McNamara, "A contoured beam synthesis technique for planar array synthesis", IEEE Trans. Antennas and Propagation, vol. AP-41, no. 9, pp. 1222-1231, Sept. 1993.

26.  J. Joubert and D.A. McNamara, "The analysis of radiating slots in rectangular waveguide inhomogeneously loaded with a dielectric slab", IEEE Trans. Antennas and Propagation, vol. AP-41, no. 9, pp. 1212-1221, Sept. 1993.

27.  D.A. McNamara, "The direct synthesis of optimum difference patterns for discrete linear arrays using Zolotarev distributions", IEE Proceedings, Pt. H, vol. 140, pp. 495-500, Dec. 1993.

28.  D.A. McNamara and L. Botha, "The properties of folded dipole antennas on conducting masts", IEEE Transactions on Vehicular Technology, vol. 42, no. 4, pp. 393-398, Nov. 1993.

29.  D.A. McNamara and J. Joubert, "Experimentally determined equivalent network scattering parameters for edge slots in rectangular waveguide for use as reference data", IEEE Microwaves and Guided Wave Letters, vol. 3, no. 11, pp. 405-407, Nov. 1993.

30.  D.A. McNamara, "The performance of Zolotarev and modified-Zolotarev difference pattern array distributions", IEE Proceedings, Part H, vol. 141, pp. 37-45, Feb. 1994.

31.  D.A. McNamara and J. Joubert, "On the use of bivariate spline interpolation of slot data in the design of slotted waveguide arrays", Applied Computational Electromagnetics Society Journal, vol. 9, no. 1, pp. 6-9, March 1994.

32.  J.C. Coetzee and J.A.G. Malherbe, "Efficient Matrix Element Calculations for the Spectral Domain Method Applied to Symmetrical Multiconductor Transmission Lines", Applied Computational Electromagnetics Society Journal, vol. 9, no. 1, March 1994.

33.  J.J. Boonzaaier and C.W.I. Pistorius, "Finite-Difference Time-Domain field approximations for thin wires with a lossy coating", IEE Proceedings Part H, vol. 141, no. 2, pp. 107-113, April 1994.

34.  A.R. Roberts and J. Joubert, "A low-cost etched linear slotted waveguide array", Microwave and Optical Technology Letters, vol. 7, no. 9, pp. 410-412, June 1994.

35.  J. Joubert, "A moment method analysis of a folded E-plane short in rectangular waveguide", IEEE Microwave and Guided Wave Letters, vol. 4, no. 7, pp. 223-225, July 1994.

36.  J.W. Odendaal, E. Barnard and C.W.I. Pistorius, "Two-Dimensional Superrresolution Radar Imaging Using the MUSIC Algorithm", IEEE Transactions on Antennas and Propagation, vol. 42, pp. 1386-1391, Oct. 1994.

37.  E.A. Kraut and J.C. Olivier, "FDTD Solution of Maxwell’s Equations for a Edge Slot Penetrating Adjacent Broadwalls of a Finite Wall Thickness Waveguide", IEEE Transactions on Antennas and Propagation, vol. 42, no. 12, pp. 1646-1648, Dec. 1994.

38.  J.C. Olivier and D.A. McNamara, "Analysis of Multiport discontinuities in waveguide using a pulsed FDTD approach", IEEE Transactions on Microwave Theory and Techniques, vol. 42, no. 12, Dec. 1994.

39.  J.C. Coetzee, "Efficient Spectral-Domain Analysis of Open Asymmetrical Multiconductor Transmission Lines", Microwave and Optical Technology Letters, vol. 8, no. 14, pp. 206-209, March 1995.

40.  J.T. de Beer and D.C. Baker, "An examination of the effect of mechanical deformation on the input impedance of HF LPDA's using MBPE", Applied Computational Electromagnetics Society Journal, vol. 10, pp. 30-37, 1995.

41.  L.T. Hildebrand and D.A. McNamara, "A guide to implementational aspects of the spatial domain integral equation analysis of microstrip antennas", Applied Computational Electromagnetics Society Journal, vol. 10, no. 1, pp. 40-51, March 1995.

42.  L.T. Hildebrand and D.A. McNamara, "Verification of spatial domain intergral equation analysis of microstrip wire-grid arrays", IEE Proceedings Part H, vol. 142, no. 4, pp. 27-34, Aug. 1995.

43.  J. Joubert, "A transverse slot in the broad wall of inhomogeneously loaded rectangular waveguide for array applications", IEEE Microwave and Guided Wave Letters, vol. 5, no. 2, pp. 37-39, Feb. 1995.

44.  L.B. Meyer and D.C. Baker, "Practical realization of an oblique HP ionospheric sounder", The Transactions of the SAIEE, vol. 86, no. 2, pp. 87-90, June 1995.

45.  J.W. Odendaal, "Multidimensional Microwave Imaging", Microwave and Optical Technology Letters, vol. 8, no. 3, pp. 146-149, Feb. 1995.

46.  J.W. Odendaal and P.A. van Jaarsveld, "Parameter Estimation of Frequency-Dependent Scatterers Using Superresolution Techniques", Microwave and Optical Technology Letters, vol. 10, pp. 71-74, Oct. 1995.

47.  E. Tromp and J.C. Olivier, "On the synthesis of exact absorbing boundary conditions for the Finite-Difference Time-Domain method: Numerical Results", IEEE Transactions on Antennas and Propagation, vol. 43, no. 2, Feb. 1995.

48.  A. van der Merwe, J.W. Odendaal and E.C. Botha, "2D Microwave Imaging Using TLS-ESPRIT with Matrix Enhancement", Microwave and Optical Technology Letters, vol. 8, no. 4, pp. 218-222, March 1995.

49.  J.C. Coetzee and J. Joubert, "Volgolf analise van gekoppelde mikrostrooklyne vir die berekening van kruisspraakvermindering", SAIEE Trans., vol. 86, no. 3, pp. 120-124, Sept. 1995.

1996-2000

1.  J.W. Odendaal “Reducing the contribution from support structures for radar cross section measurements using microwave imaging techniques”, Microwave and Optical Technology Letters, vol. 11, no. 5, pp. 247-250, April 1996.

2.  J.C. Coetzee and J. Joubert, "Full-wave characterization of the cross-talk reduction effect of an additional grounded track introduced between two printed circuit tracks", IEEE Trans. Circuits and Systems, Pt I, vol. 43, no. 7, pp. 553-558, July 1996.

3.  J.W. Odendaal and J. Joubert “Radar cross section measurements using near field radar imaging”, IEEE Trans. on Instrumentation and Measurement, vol. 45, no. 6, pp. 948-954, Dec. 1996.

4.  J.W. Odendaal and J. Joubert, "Near-field microwave imaging for radar cross section measurements" , IEEE Trans. on Instrumentation and Measurement, vol. 45, no. 6, pp. 948-954, Dec. 1996.

5.  L.H.E. Smit and J. Joubert, "On the accuracy of the equivalent network model of a stripline T-junction", Microwave and Optical Technology Letters, vol. 13, no. 6, pp. 309-313, Dec. 1996.

6.  L.T. Hildebrand and J. Joubert, "An interconnect between microstripline and rectangular waveguide", Microwave and Optical Technology Letters, vol. 14, no. 1, pp. 1-3, Jan. 1997.

7.  A.R. Roberts and J. Joubert, "PML absorbing boundary condition for higher order FDTD techniques", Electronics Letters, vol. 33, no. 1, pp. 32-34, Jan. 1997.

8.  J.A.G. Malherbe, "Corporate feed in nonradiative dielectric waveguide", Electronics Letters, Vol. 33, no. 3, pp. 170-171, 30 Jan. 1997.

9.  J. Joubert and S.R. Rengarajan, "Design of unequal waveguide power dividers for array applications", Microwave Journal, vol. 40, no. 2, pp. 24-34, Feb. 1997.

10.  J.A.G. Malherbe, "Radiation from an open-ended nonradia­tive dielectric waveguide", Microwave and Optical Technology Letters, Vol. 14, no. 5, pp. 266-268, April 1997.

11.  M.J. Rossouw, J. Joubert and D.A. McNamara, "Thinned arrays using a modified minimum redundancy synthesis technique", Electronics Letters, vol. 33, no. 10, pp. 826-827, May 1997.

12.  J.A.G. Malherbe, "Open-ended NRD waveguide antenna array", Microwave and Optical Technology Letters, Vol. 15, no. 1, pp. 33-36, May 1997.

13.  J.W. Odendaal, E. Barnard and C.W.I. Pistorius, “On the asymmetry in the PSD for 2-D linear prediction”, Signal Processing, vol. 60, No 1, pp. 43-49, July 1997.

14.  F.V. Minnaar, J.C. Coetzee and J. Joubert, "A novel ultra-wideband microwave differential phase shifter", IEEE Trans. Microwave Theory and Techniques, vol. 45, no. 8, pp. 1249-1252, Aug. 1997.

15.  L.T. Hildebrand and J. Joubert, "Full-wave analysis of a longitudinal narrow-wall waveguide slot coupled with an internal E-plane fin", Transactions of the SAIEE, vol. 88, no. 3, pp. 89-94, Sept. 1997.

16.  P. Niemand and J.W. Odendaal, “Radar imaging using higher order statistics”, Microwave and Optical technology Letters, vol. 16, No 1, pp. 1-4, Sept. 1997.

17.  J.P. Jacobs and D. Bullock, “A two-process model for control of legato articulation across a wide range of tempos during piano performance,” Music Perception, vol. 16, no. 2, pp. 169-199, 1998.

18.  E.C. Botha, J.W. Odendaal and K.M. Geggus, “Aircraft down-range profiles from simulated and compact range radar backscatter”, Microwave and Optical technology Letters, vol. 17, No 3, pp. 207-213, Feb. 1998.

19.  J.C. Coetzee and J. Joubert, "The effect of the inclusion of higher order internal coupling on waveguide slot array performance", Microwave and Optical Technology Letters, vol. 17, no. 2, pp. 76-81, 5 Feb. 1998.

20.  J.A.G. Malherbe and J. Joubert, "Radiation properties of a long slot in the broad wall of a waveguide", Electronics Letters, vol. 34, no. 6, pp. 568-570, March 1998.

21.  J. Abele, J. Joubert and J.W. Odendaal, “Introduction of multiple nulls in an otherwise omni-directional pattern of a circular dipole array” Electronics Letters, vol. 34, No 14, pp1371-1373, July 1998.

22.  J.A.G. Malherbe, “An array of coupled nonradiative dielectric waveguide radiators” IEEE Trans. Antennas and Propagation, vol. 46, no.8, pp. 1121-1125, Aug. 1998.

23.  P. Niemand and J.W. Odendaal, “Characterization of surface wave radar absorbing material”, Microwave and Optical technology Letters, vol. 20, No 2, pp. 131-132, Jan. 1999.

24.  J.A.G. Malherbe, “Radiation from a wedge-type nonradiadiative dielectric waveguide radiator”, Microwave and Optical Technology Letters, vol. 21, no. 5, pp. 313-315, June 1999.

25.  J.C. Coetzee , J. Joubert and W.L. Tan, "Frequency performance enhancement of resonant slotted waveguide arrays through the use of wideband radiators or sub-arraying", Microwave and Optical Technology Letters, vol. 22, no. 1, pp. 35-39, 5 July 1999.

26.  J.W. Odendaal and J. Joubert, "Using hardware gating to improve antenna gain measurements in a compact antenna range", Electronics Letters, vol. 35, no. 22, pp. 1894-1896, 28 Oct. 1999.

27.  J. Joubert and J.A.G. Malherbe, “Moment method calculation of the propagation constant for leaky wave modes in slotted rectangular waveguide”, IEE Proceedings Microwaves, Antennas and Propagation, vol. 146, no. 6, pp. 411-415, Dec. 1999.

28.  J. Abele, J. Joubert and J.W. Odendaal, “Introduction of multiple nulls with controllable depths in an omni-directional pattern of a circular array”, Signal Processing, vol. 80, pp. 141-149, 2000.

29.  L.T. Hildebrand and J. Joubert, "Full-wave analysis of a microstrip-to-waveguide interconnect", IEEE Trans. Microwave Theory and Techniques, vol. 48, no. 1, pp. 1-7, Jan. 2000.

30.  G. Mayhew-Ridgers, J.W. Odendaal and J. Joubert, “New feeding mechanism for annular-ring microstrip antenna”, Electronics Letters, vol. 36, no 7, pp. 605-606, March 2000.

31.  J.C. Coetzee and J. Joubert , "The design of planar slot arrays revisited", ACES Journal, vol. 15, no. 1, pp. 27-33, March 2000.

32.  JC Coetzee and J Joubert, "Analysis procedure for arrays of waveguide slot doublets based on the full T-network equivalent circuit representation of radiators", IEE Proc. Microwaves, Antennas and Propagation, vol. 147, no. 3, pp. 173-179, June 2000.

33.  G. Mayhew-Ridgers, J.W. Odendaal and J. Joubert, “On primary wave models for pyramidal horn directivity  calculations”, IEEE Trans. on Antennas and Propagation, vol. 48, No 8, pp. 1246-1252, Aug. 2000.

34.  G. Mayhew-Ridgers, J.W. Odendaal and J. Joubert, "On primary incident wave models for pyramidal horn gain calculations", IEEE Trans. Antennas and Propagation, vol. 48, no. 8, pp. 1246-1252, Aug. 2000.

35.  E.C. Botha and J.W. Odendaal, “Aerospace radar target recognition based on a ROOT-MUSIC representation”, Transactions SAIEE on Communications, Signal Processing and Information Theory, vol. 91, No 1, pp. 22-27, Sept. 2000.

36.  G. Mayhew-Ridgers, J.W. Odendaal and J. Joubert, “Horn antenna analysis as applied to the evaluation of the Gain-transfer method”, IEEE Trans. On Instrumentation and Measurement, vol. 49, No 5, pp. 949-958, Oct. 2000.

37.  J.C. Coetzee, J. Joubert and D.A. McNamara, "Off-centre-frequency analysis of a complete planar slotted waveguide array consisting of sub-arrays", IEEE Trans. Antennas and Propagation, vol. 48, no. 11, pp. 1746-1755, Nov. 2000.

38.  J.W. Odendaal and D. Grygier, “RCS measurements and results of an engine inlet system design optimization”, IEEE Antennas and Propagation Magazine, vol. 42, No 6, pp. 16-23, Dec. 2000.

2001-2005

1.  J.P. Jacobs, “Refinements to the ergonomic model for keyboard fingering of Parncutt, Sloboda, Clarke, Raekallio and Desian,” Music Perception, vol. 18, no. 4, pp. 505-511, 2001.

2.  D.M. de Haaij, J. Joubert and J.W. Odendaal, “Wideband dual-frequency stacked microstrip patch antenna” , Microwave and Optical Technology Letters, vol. 31, no. 4, pp. 289-292, 20 Nov. 2001.

3.  M. da Silveira, J.W. Odendaal and J. Joubert, “Same cell co-channel interference reduction using multiple spatially distributed adaptive array systems”, Signal Processing, vol. 81, pp. 2059-2068, 2001.

4.  J.P. Jacobs, J. Joubert, and J.W. Odendaal, “Radiation efficiency and impedance bandwidth of conductor-backed CPW-fed slot dipole antenna with two-layered dielectric substrate,” Microwave Optical and Technology Letters, vol. 34, no. 2, pp. 138-141, 2002.

5.  P. Niemand, J. Joubert and J.W. Odendaal, “Null-forming synthesis for cylindrical patch arrays”, Microwave and Optical Technology Letters, vol. 32, No 6, pp. 442-446, March 2002.

6.  J.P. Jacobs, J. Joubert and J.W. Odendaal, "Radiation efficiency and impedance bandwidth of conductor-backed CPW-fed slot dipole antenna with two-layered dielectric substrate", Microwave and Optical Technology Letters, vol. 34, no. 2, pp. 138-141, 20 July 2002.

7.  D.M. de Haaij, J. Joubert and J.W. Odendaal, "Diplexing feed network for wideband dual-frequency stacked microstrip patch antenna ", Microwave and Optical Technology Letters, vol. 36, no. 2, pp. 100-102, 20 Jan. 2003.

8.  J.W. Odendaal and P. Niemand, “Statistical properties of radar backscatter data for imaging applications”, IEEE Trans. on Antennas and Propagation, vol. 51, No 3, pp. 670-672, March 2003.

9.  G. Mayhew-Ridgers, J.W. Odendaal and J. Joubert, “Single-layer capacitive feed for wideband probe-fed microstrip antenna elements”, IEEE Trans. Antennas and Propagation, vol. 51, no. 6, pp. 1405-1407, June 2003.

10.  D.M. de Haaij, J. Joubert and J.W. Odendaal, “Increasing the bandwidth of a microstrip patch antenna with a single resonant circuit”, Transactions of the SAIEE, vol. 94, No 2, pp. 25-27, July 2003.

11.  P. Niemand, J. Joubert and J.W. Odendaal, “Practical considerations for interference suppression cylindrical arrays”, Transactions of the SAIEE, vol. 94, no. 2, pp. 37-39, July 2003.

12.  J.P. Jacobs, J. Joubert and J.W. Odendaal, ”Radiation efficiency and impedance bandwidth of conductor-backed CPW-fed broadside twin slot antennas on two-layer dielectric substrate", IEE Proceedings-Microwaves, Antennas and Propagation, vol. 150, No 4, pp. 185-190, Aug. 2003.

13.  J. Joubert, “Spiral microstrip radiators for narrow-stopband filters”, IEE Proc. Microwaves, Antennas and Propagation, vol. 150, no. 6, pp. 493-497, Dec. 2003.

14.  A.J. Bubendorfer, J. Joubert, T. Kemmitt, L.J. Campbell and N.J. Long, “High temperature superconductor films and devices for the microwave communication industry”, Current Applied Physics, vol. 4, Issues 2 – 4, pp. 284-287, April 2004.

15.  G. Mayhew-Ridgers, J.W. Odendaal and J. Joubert, ”Entire-domain versus subdomain attachment modes for the spectral-domain moment-method analysis of probe-fed microstrip patch antennas”, IEEE Transactions on Antennas and Propagation, vol. 52, No 6, pp. 1616-1620, June 2004.

16.  J.W. Odendaal, ”Predicting the directivity of standard gain pyramidal horn antennas”, IEEE Antennas and Propagation Magazine, Vo .46, No 4, pp. 93-98, Aug. 2004.

17.  J.A.G. Malherbe, “Nonradiative dielectric waveguide with a perforated dielectric strip”, Electronics Letters, vol. 41, no. 4, pp. 194-196, 17 Feb. 2005.

18.  J. Joubert and J.W Odendaal, “Wideband quarter-wave patch antenna with a single-layer capacitive feed on a finite ground plane”, Microwave and Optical Technology Letters, vol. 45, no. 3, pp. 225-227, 5 May 2005.

19.  J.A.G. Malherbe, “Integrated dielectric wedge-lens antenna in a nonradiative mode”, Microwave and Optical Technology Letters, vol. 45, no. 4, pp. 361-363, June 5, 2005.

20.  G. Mayhew-Ridgers, J.W. Odendaal and J. Joubert, "Efficient full-wave modelling of patch antenna arrays with new single-layer capacitive feed probes", IEEE Trans. Antennas and Propagation, vol. 53, no. 10, pp. 3219-3228, Oct. 2005.

21.  J.P. Jacobs, J. Joubert and J.W. Odendaal, “Effect of back plane distance on mutual coupling between CPW-fed slots on conductor-backed two-layer substrates”, Microwave and Optical Technology Letters, vol. 47, no. 5, pp. 407-409, 5 Dec. 2005.

22.  J.W. Odendaal, J. Joubert and M.J. Prinsloo, “Extended edge wave diffraction model for near-field directivity calculations of horn antennas”, IEEE Trans. Instrumentation and Measurement, vol. 54, no. 6, pp. 2469-2473, Dec. 2005.

2006-2010

1.  J. Joubert and J.W. Odendaal, "Analysis and design of wide‑band reflector gratings in rectangular waveguide", IEEE Transactions on Plasma Science, vol. 34, no. 3, pp. 659-665, June 2006.

2.  J.A.G. Malherbe and J. Joubert, "Simplified Analytical Solution of Current and Radiation Pattern for Thin Dipoles", Microwave and Optical Technology Letters, vol. 48, no. 8, pp. 1483-1485, Aug. 2006.

3.  G. Mayhew-Ridgers, J.W. Odendaal and J. Joubert, "Considerations for the efficient spectral evaluation of reaction integrals associated with separated domains", IEE Proceedings Microwaves, Antennas and Propagation, vol. 153, no. 5, pp. 469-474, Oct. 2006.

4.  M. da Silveira, J.W. Odendaal and J. Joubert, "The Range Increase of Adaptive vs. Phased Arrays in Mobile Systems in the Presence of Interference", South African Journal of Science, 102, pp. 609-612, Nov./Des. 2006.

5.  A.J. Palmer and D.C. Baker, "A novel semi‑empirical model for the effective earth radius factor", IEEE Transactions on Broadcasting, vol. 52, no. 4, pp. 557-565, Dec. 2006.

6.  J.W. Odendaal, L. Botha and J. Joubert, "A full scale static RCS measurement facility", South African Journal of Science, vol. 103, pp. 196-199, May 2007.

7.  J.A.G. Malherbe and N.S. Barnes, "TEM horn antenna with an elliptic profile", Microwave and Optical Technology Letters, vol. 49, no. 7, pp. 1548-1551, Jul. 2007.

8.  J.A.G. Malherbe and P.M. Malekela, "Dielectric wedge antenna with stepped phase correction in a nonradiative mode", Microwave and Optical Technology Letters, vol. 49, no. 8, pp. 2030-2032, Aug. 2007.

9.  C. Dohmen, J.W. Odendaal, and J. Joubert, "Synthesis of conformal arrays with optimized polarization" IEEE Transactions on Antennas and propagation, vol. 55, no. 10, pp. 2922-2925, Oct. 2007.

10.  J.P. Jacobs, "Self and mutual admittance of CPW-fed slots on conductor-backed two-layer substrate", Microwave and Optical Technology Letters, vol. 49, no. 11, pp. 2798-2802, Nov. 2007.

11.  J. Joubert and J.W. Odendaal, "Characterization of a first-resonance CPW-fed slot as an array element", Microwave and Optical Technology Letters, vol. 50, no. 6, pp. 1523-1527, June 2008.

12.  J. Joubert and J.W. Odendaal, "A 2x2 etched slot array with a corporate slotline feed network", Electronic letters, vol. 44, no. 14, pp. 833-834, July 2008.

13.  J. Joubert and J.W. Odendaal, "An impedance matching design approach for a dual-band coplanar-waveguide-fed slot antenna", Microwave and Optical Technology Letters, vol. 50, no. 8, pp. 2031-2034, Aug. 2008.

14.  J.A.G. Malherbe, "Extreme performance TEM horn", Microwave and Optical Technology Letters, vol. 50, no. 8, pp. 2121-2125, Aug. 2008.

15.  J.B. du Toit, J.W. Odendaal, and J. Joubert, "Characterization and phase compensation of a coplanar waveguide to coplanar strip line balun", Journal of Electromagnetic Waves and Applications, vol. 22, no. 17/18, pp. 2463-2474, 2008.

16.  J.P. Jacobs, J. Joubert and J.W. Odendaal, "Extended reciprocity-based computation of mutual admittance between CPW-fed slots on conductor-backed two-layer substrates", Microwave and Optical Technology Letters, vol. 51, no. 1, pp. 91-94, Jan. 2009.

17.  J.A.G. Malherbe, "Erratum: Extreme performance TEM horn", Microwave and Optical Technology Letters, vol. 51, no. 2, p. 583, Feb. 2009.

18.  J.A.G. Malherbe, “Frequency-independent performance of elliptic profile TEM horns”, Microwave and Optical Technology Letters, vol. 51, no. 3, pp. 607-612, March 2009.

19.  J.P. Jacobs and J. Joubert, "Fast and efficient calculation of mutual admittance between CPW-fed slots on electrically thin substrates", International Journal of RF and Microwave Computer-Aided Engineering, vol. 19, no. 2, pp. 277-284, March 2009.

20.  J.P. Jacobs and J. Joubert, "Design of a linear non-uniform CPW-fed slot array with reduced sidelobe levels", Microwave and Optical Technology Letters, vol. 51, no. 9, pp. 2175-2178, Sept. 2009.

21.  J.M. Steyn, J.W. Odendaal and J. Joubert, ”Double dipole antenna for dual-band WLAN applications”, Microwave and Optical Technology Letters, vol. 51, no. 9, pp. 2034-2038, Sept. 2009.

22.  J. P. De Villiers and J. P. Jacobs, “Gaussian Process Modeling of CPW-Fed Slot Antennas”, Progress In Electromagnetics Research, PIER 98, pp. 233-249, 2009.

23.  W.P. du Plessis, J.W. Odendaal and J. Joubert, “Extended analysis of retrodirective cross- eye jamming”, IEEE Trans. Antennas and Propagation, vol. 57, no. 9, pp. 2803-2806, Sept. 2009.

24.  E.S. Sithole and J.A.G. Malherbe, “Log Periodic Bandstop Filter”, Microwave and Optical Technology Letters, vol. 51, no. 10, Oct. 2009,  pp 2418-2420.

25.  E. Botha, J. Joubert and D.A. McNamara, “Alternative formulation and applications aspects of the Generalized Projection Method for array antenna synthesis”, International Journal of RF and Microwave Computer-Aided Engineering, vol. 19, no. 6, pp. 657-668, Nov. 2009.

26.  G. Mayhew-Ridgers, J.W. Odendaal and J. Joubert, “Improved diffraction model and numerical validation for horn antenna gain calculations”, accepted for publication in International Journal of RF and Microwave Computer-Aided Engineering, vol. 19, no. 6, pp. 701-711, Nov. 2009.

27.  J.M. Steyn, J.W. Odendaal and J. Joubert, “Dual-band dual-polarized array for WLAN applications”, Progress in Electromagnetics Research C, vol. 10, pp. 151-161, 2009.

28.  B. Jacobs, J.W. Odendaal and J. Joubert, “The effect of manufacturing and assembling tolerances on the performance of double-ridged horn antennas”, Journal of Electromagnetic Waves and Applications, vol. 24, no. 10, pp. 1279-1290, 2010.

29.  J. P. Jacobs and  J. P. De Villiers, “Gaussian-process-regression-based design of ultrawide-band and dual-band CPW-fed slot antennas”, Journal of Electromagnetic Waves and Applications, Vol. 24, No. 13, pp. 1763-1722, 2010.

30.  J.A.G. Malherbe and C. Reid, “Double Resonant Stub Bandstop Filter with Pseudo-Elliptic Response”, Electronics Letters, Vol. 46, No. 7, pp. 508-509, 1 April 2010.

31.  J. Joubert, J.W. Odendaal and J. Prinsloo, “High-gain dual-polarised planar slot array for WLAN applications”, Electronics Letters, vol. 46, no. 15, pp. 1048-1050, July 2010.

32.  J.A.G. Malherbe and Y. Katcodia, “An Elliptically Flared Waveguide Horn”, Microwave and Optical Technology Letters, Vol. 52, no. 9, pp. 2118-2120, Sept. 2010.

2011-2015

1.  W.P. du Plessis, J.W. Odendaal and J. Joubert, “Tolerance Analysis of Cross-Eye Jamming Systems”, IEEE Trans. on Aerospace and Electronic Systems, Vol. 47, no. 1, pp. 740-745, Jan. 2011.

2.  J.A.G. Malherbe and A. Swiatko, “Modified Chebyshev Bandstop Filter with Transmission Zeros at Real Frequencies”, Microwave and Optical Technology Letters, Vol. 53, No. 1, pp. 177-180, Jan. 2011.

3.  W.P. du Plessis, J.W. Odendaal and J. Joubert, “Experimental Simulation of Retrodirective Cross-eye Jamming”, IEEE Trans. on Aerospace and Electronic Systems, Vol. 47, no. 1, pp. 734-740, Jan 2011.

4.  O.B. Jacobs, J.W. Odendaal and J. Joubert, “Elliptically shaped quad-ridge horn antennas as feed for a reflector”, IEEE Antennas and Wireless Prop. Letters, Vol. 10, pp. 756-759, 2011.

5.  J.A.G. Malherbe, “Pseudo-Elliptic Bandpass Filter with Sub-Harmonic Stubs”, Electronics Letters, Vol. 47, No. 3, pp. 196 – 198, 3 Feb. 2011.

6.  J.A.G. Malherbe, “Wideband Bandstop filter with Sub-Harmonic Stubs”, Electronics Letters, Vol. 47, No. 10, pp. 604 – 605, 12 May 2011.

7.  O.B. Jacobs, J.W. Odendaal and J. Joubert, “Analysis and design of a wide band omnidirectional antenna”, Microwave and Optical Technology Letters, Vol. 51, no. 9, pp. 1352-1356, June 2011.

8.  J.A.G. Malherbe, “Hybrid Superelliptic Horn”, Microwave and Optical Tehcnology Letters, vol. 53, no. 11, pp. 2713 – 2716,  Nov. 2011.

9.  J. Joubert, J. C. Vardaxoglou, W. G. Whittow, and J. W. Odendaal, "CPW-Fed Cavity-Backed Slot Radiator Loaded with an AMC Reflector," IEEE Trans. Antennas and Propagation, vol. 60, no. 2, pp. 735-742, Feb. 2012.

10.  J. P. Jacobs, “Bayesian Support Vector Regression With Automatic Relevance Determination Kernel for Modeling of Antenna Input Characteristics”, IEEE Transactions on Antennas and Propagation, Vol. 60, No. 4, pp. 2114-2118, Apr. 2012.

12.  B. Jacobs, J.W. Odendaal and J. Joubert, “An Improved Design for a 1-18 GHz Double- Ridged Guide Horn Antenna”, IEEE Trans. Antennas and Propagation, vol. 60, no.9, pp. 4110-4118, Sept. 2012.

13.  J.A.G. Malherbe, “Pseudo-elliptic bandstop filter with 1:2:3 harmonic ratio stubs”, Electronics Letters, Vol. 49, No. 2, pp. 130-132, 17 Jan 2013.

14.  Jacobs, J.P., and Koziel, S., “Cost-effective global surrogate modeling of planar microwave filters using multi-fidelity Bayesian support vector regression,” International Journal of RF and Microwave Computer-Aided Engineering, Available online in early view: 22 Jan 2013.

15.  J.P. Jacobs, S. Koziel, and S. Ogurtsov, “Computationally Efficient Multi-Fidelity Bayesian Support Vector Regression Modeling of Planar Antenna Input Characteristics”, IEEE Transactions on Antennas and Propagation, Vol. 61, No. 2, pp. 980-984, Feb. 2013.

16.  O.B. Jacobs, J.W. Odendaal and J. Joubert, “Quad-ridge horn antenna with elliptically shaped sidewalls”, IEEE Trans. Antennas and Propagation, vol 61, no. 6, pp. 2948-2955, June 2013.

17.  J.A.G. Malherbe, P.D. Luus, and J.C. Uys, “Transmission Line Filters With Harmonic Parallel Foster Sections”, Microwave And Optical Technology Letters, Vol. 55, No. 8, pp. 1724 – 1728, Aug. 2013.

18.  J.A.G. Malherbe and J.J. Louw, “Pseudo-Elliptic Function Bandstop Filter with Shunt Foster Sections”, Microwave And Optical Technology Letters, Vol. 55, No. 8, pp. 1758 – 1762, Aug. 2013.

19.  P.H. van der Merwe, J.W. Odendaal and J. Joubert, “An optimized dual-polarized quad-ridged horn antenna with pyramidal sidewalls”, Journal of Electromagnetic Waves and Applications, Vol. 27, No. 17, pp. 2263 – 2273, Sep. 2013.

20.  J.P. Jacobs and S. Koziel, “Cost-effective global surrogate modeling of planar microwave filters using multi-fidelity Bayesian support Vector regression”, International Journal of RF and Microwave Computer-Aided Engineering, Vol. 24, No. 1, pp. 11 – 17, Jan. 2014.

21.  G. Mayhew-Ridgers, P.A. van Jaarsveld, J.W. Odendaal and J. Joubert, “Accurate Gain Measurements for Large Antennas using Modified Gain-Transfer Method”, Antennas and Wireless Propagation Letters, Vol. 13, pp. 369-371,  2014.

22.  J.P. Jacobs and S. Koziel, “Two-Stage Framework for Efficient Gaussian Process Modeling of Antenna Input Characteristics”, IEEE Transactions on Antennas and propagation, Vol. 62, no. 2, pp. 706-713, Feb. 2014.

23.  M. Nel, J. Joubert and J.W. Odendaal, “The Measurement of Complex Antenna Transfer Functions for Ultra-Wideband Antennas in a Compact Range”, IEEE Antennas and Propagation Magazine, Vol. 56, No. 6, pp. 163 - 170, Dec. 2014.

24.  J.A.G. Malherbe and C. Mphiwe, “Bandpass Filter with Stepped Impedance Sub-harmonic Stubs”, Microwave and Optical Technology Letters, Vol. 56, No 12, Dec 2014.