Publications of the emlab

Maintained by Alan Robert Clark
Alan.Clark@wits.ac.za

[Degrees Journal Conference Miscellaneous In the Pipeline]

Degrees Awarded

[0273]
Graeme Robin Young. The positioning of electromagnetic near field hotspots within a resonant cavity for applications in microwave thermal ablation. Master’s thesis, University of the Witwatersrand, Johannesburg, 2022.
[0290]
T Rokebrand. Open source electromagnetic solver. Master’s thesis, University of the Witwatersrand, Johannesburg, 2020.
[0289]
B Klein. Integration of noise modelling into RF receiver design. PhD thesis, University of the Witwatersrand, Johannesburg, 2017.
[0285]
H Fraser. Parametrisation and design of quadrifilar helices for use in S-band satellite communications. Master’s thesis, University of the Witwatersrand, Johannesburg., June 2010.
[0284]
R L Dreyer. The Development of a New Preconditioner by Modifying the Simply Sparse Compression Matrix to Solve Electromagnetic Method of Moments Problems. PhD thesis, University of the Witwatersrand, Johannesburg., Dec 2009.
[0283]
M Nash. New manufacturing techniques for antennas. Master’s thesis, University of the Witwatersrand, Johannesburg., June 2009.
[0280]
B Klein. Holographic measurement of the 26m HartRAO telescope. Master’s thesis, University of the Witwatersrand, Johannesburg., Nov 2008.
[0281]
D Rice. Analysing lightning data from two spatially separate magnetic direction finders. Master’s thesis, University of the Witwatersrand, Johannesburg., Nov 2008.
[0282]
M Mathekga. Formulations for analysis of probe-fed printed antennas in SuperNEC. Master’s thesis, University of the Witwatersrand, Johannesburg., Nov 2008.
[0274]
N o’Leary. A SuperNEC implementation of model based parameter estimation by interpolating the method of moments impedance matrix. Master’s thesis, University of the Witwatersrand, Johannesburg., May 2007.
[0266]
R Hartleb. Optimised ray tracing for the supernec implementation of the uniform theory of diffraction. Master’s thesis, University of the Witwatersrand, Johannesburg., Dec 2006.
[0265]
L Onwuegbuna. Characteristics of the log periodic dipole array antenna. Master’s thesis, University of the Witwatersrand, Johannesburg., Dec 2006.
[0270]
U Perovic. Slotted waveguide antenna arrays. Master’s thesis, University of the Witwatersrand, Johannesburg., May 2006.
[0269]
K Chan. Optimising antenna design using particle swarm optimisation (pso). Master’s thesis, University of the Witwatersrand, Johannesburg., Dec 2005.
[0268]
J Berger. Low cost direction finding with the Electronically Steerable Parasitic Array Radiator (ESPAR) antenna. Master’s thesis, University of the Witwatersrand, Johannesburg., Dec 2005.
[0267]
B Whitaker. A heuristic tool for indoor radio-wave propagation prediction. Master’s thesis, University of the Witwatersrand, Johannesburg., Dec 2005.
[0264]
G Shaw. Patch antenna design. Master’s thesis, University of the Witwatersrand, Johannesburg, May 2005.
[0263]
W E Jennings. An investigation and study into circularly polarised wide-bandwidth antennas. Master’s thesis, University of the Witwatersrand, Johannesburg., December 2004.
[0262]
R Lishman. An algorithm for the automatic resolution of the position, orientation and dipole moment of a magnetic dipole antenna burried in rock. Master’s thesis, University of the Witwatersrand, Johannesburg., December 2004.
[0256]
B Orchard. Optimising algorithms for antenna design. Master’s thesis, University of the Witwatersrand, Johannesburg, Dec 2002.
[0255]
A Frolich. The effect of dielectrics on wire antennas: numerical modelling and measurement. Master’s thesis, University of the Witwatersrand, Johannesburg, May 2002.
[0233]
J Dresel. Investigations of soft magnetic materials and a simulation technique to develop conformal antennas in the HF and V/UHF frequency range. Master’s thesis, University of the Witwatersrand, Johannesburg,, June 2000.
[0235]
A G Levin. Re-engineering CASED, a machines and drives modelling and simulation environment. Master’s thesis, University of the Witwatersrand, Johannesburg, June 2000.
[0234]
C D Rebuli. SuperNEC Method of Moments and Geometric Theory of Diffraction hybrid evaluation. Master’s thesis, University of the Witwatersrand, Johannesburg, December 1999.
[0236]
H Diesel. Object oriented finite transition system framework. Master’s thesis, University of the Witwatersrand, Johannesburg, December 1997.
[0199]
I Meier. Investigation into low cost scalar network analyser design with digital error correction. Master’s thesis, University of the Witwatersrand, Johannesburg, December 1995.
[0196]
A Borochov. Noise and interference reduction in amplitude modulation. Master’s thesis, University of the Witwatersrand, Johannesburg, December 1995.
[0195]
S Singh. Techniques for the design of microstrip components on low cost printed circuit board substrates at uhf and vhf frequencies. Master’s thesis, University of the Witwatersrand, Johannesburg, December 1995.
[0197]
M Larsen. Use of adaptive antennas for meteor scatter communications. Master’s thesis, University of the Witwatersrand, Johannesburg, June 1994.
[0188]
O Givati. Characteristics of Skeletal Wire Conical antennas. PhD thesis, University of the Witwatersrand, Johannesburg, May 1994.
[0171]
A R Clark. Development of self and mutual impedance theory to analyse arrays comprising halfwave dipole and folded dipole elements. PhD thesis, University of the Witwatersrand, Johannesburg, December 1993.
[0170]
D C Nitch. A serial and parallel design of NEC2 to demonstrate the advantages of the object-oriented paradigm in comparison with the procedural paradigm. PhD thesis, University of the Witwatersrand, Johannesburg, December 1992.
[0173]
A P C Fourie. Analysis and design of small broadband high frequency antennas. PhD thesis, University of the Witwatersrand, Johannesburg, December 1991.
[0176]
A J Phillips. Investigation, design, construction of a microwave intrusion detection system. Master’s thesis, University of the Witwatersrand, Johannesburg., 1991.
[0169]
A R Clark. An investigation into the use of coupling and other simplified theory in the analysis of dipole array antennas. Master’s thesis, University of the Witwatersrand, Johannesburg, January 1991. Fully Examined, but extended to PhD.
[0167]
S Marantos. A study of electromagnetic waves in buildings for the optimization of antenna spacing at lower UHF frequencies. Master’s thesis, University of the Witwatersrand, Johannesburg, December 1991.
[0166]
O Givati. Simple meteor scatter out-station antennas. Master’s thesis, University of the Witwatersrand, Johannesburg., June 1991.
[0168]
D Nitch. The adaptation of the numerical electromagnetics code in order to enable it to run on a network of transputers. Master’s thesis, University of the Witwatersrand, Johannesburg, June 1990. Fully Examined, but extended to PhD.
[0172]
A P C Fourie. The evaluation of simple broadband HF antennas. Master’s thesis, University of the Witwatersrand, Johannesburg, December 1987. Fully Examined, but extended to PhD.
[Degrees Journal Conference Miscellaneous In the Pipeline]

DNE Publications

[0288]
Graeme Young, David Rubin, and Alan Clark. The feasibility of positioning electromagnetic near field hotspots within a resonant cavity for microwave thermal ablation. SAIEE Africa Research Journal, 115(2):48–54, 2024.
[0261]
B Orchard and A R Clark. Optimizing algorithms for antenna design. Transactions of the South African Institute of Electrical Engineers, 95(4):279–288, December 2004. Winner of SAIEE Best Paper award, 2004.
[0241]
A R Clark, A P C Fourie, and D C Nitch. Stationary, non-stationary and hybrid iterative Method of Moments solution schemes. IEEE Transactions on Antennas & Propagation, 49(10):1462–1469, October 2001.
[0240]
A Levin, A R Clark, and C F Landy. A Re-engineered modelling and simulation environment for teaching generalised machines theory. The International Journal of Electrical Engineering Education, 38(2):135–153, April 2001.
[0230]
A R Clark, A P C Fourie, and J Dresel. Modelling lossy surfaces using a wire Method-of-Moments code. IEE Proceedings—Microwaves, Antennas and Propagation, 147(3):247–248, June 2000.
[0229]
A P C Fourie, D C Nitch, and A R Clark. Predicting MoM error currents by inverse application of residual E-fields. Applied Computational Electromagnetics Society Journal, November 1999.
[0227]
A P C Fourie, D C Nitch, and A R Clark. A sparse iterative method (SIM) for Method of Moments calculations. Applied Computational Electromagnetics Society Journal, 14(1):9–16, March 1999.
[0225]
D C Nitch, A P C Fourie, and J S Reeve. Running SuperNEC on the 22 processor IBM-SP2 at Southhampton university. Applied Computational Electromagnetics Society Journal, 13(2):99–106, July 1998.
[0224]
A P C Fourie, O Givati, and A R Clark. Simple technique for the measurement of the transfer impedance of variable length coaxial interconnecting leads. IEEE Transactions on Electromagnetic Compatibility, 40(2):163–166, May 1998.
[0202]
O Givati and APC Fourie. Analysis of skeletal wire conical antennas. IEEE Transactions on Antennas & Propagation, 44(6):844–858, June 1996.
[0198]
O Givati and A P C Fourie. The NEC2 radiation patterns of under-segmented wire grid models of a fighter aircraft compared to measurements. Applied Computational Electromagnetics Society Journal, 10(1):5–14, March 1995.
[0177]
D C Nitch and A P C Fourie. Parallel implementation of the Numerical Electromagnetics Code. Applied Computational Electromagnetics Society Journal, 9(1):51 – 57, March 1994.
[0175]
A J Phillips, I R Jandrell, and K A Zeh. An improved microwave intrusion detection system using a horn-lens fed shaped cylindrical reflector antenna. The Transactions of the South African Institute of Electrical Engineers, 84(1):9–15, March 1993.
[0126]
A R Clark and A P C Fourie. An improvement to the transmission line model of the folded dipole. IEE Proceedings Part H, 138(6):577–579, 1991.
[0107]
B A Austin and A P C Fourie. Characteristics of the wire biconical antenna used for EMC measurements. IEEE Transactions on EMC, 33(3):179–187, 1991.
[0088]
D C Nitch and A P C Fourie. Adapting the numerical electromagnetics code to run in parallel on a network of transputers. Applied Computational Electromagnetics Society Journal, 5(2):76–86, 1990.
[0061]
A P C Fourie. A simplified technique for analyzing loaded broadband wire antennas. Transactions of the South African Institute of Electrical Engineers, 81(1):6–11, 1990.
[0060]
A R Clark, O Givati, and A P C Fourie. A multi-load HF broadband dipole antenna. Journal of Electrical and Electronics Engineering, Australia, 9(4):177–185, 1989.
[0113]
A C Nesbitt and B A Austin. The emission and propagation of electromagnetic energy from stressed quartzite rock underground. Transactions of the South African Institute of Electrical Engineers, 79(2):53–57, 1988.
[0003]
A P C Fourie and B A Austin. Improved HF broadband wire antenna. Electronics Letters, 23(6):276–278, 1987.
[Degrees Journal Conference Miscellaneous In the Pipeline]

Conference Publications

[0259]
W E Jennings and A R Clark. An investigation into the properties and limits of quasi-taper helical antennas. In Proceedings of the 2004 IEEE AP-s International Symposium and USNC/URSI National Radio Science Meeting, volume 3, pages 2903–2906, Monterey, California, June 2004. ISBN 0-7803-8303-6.
[0258]
R L Dreyer and A P C Fourie. Reduced coupling levels between a Radio Altimeter and Spiral Antenna Module at 4.3GHz. In 2003 IEEE International Antennas and Propagation Symposium, Columbus, Ohio, June 22–27 2003.
[0257]
B Orchard and A R Clark. Comparison of various Genetic Algorithm techniques for optimization of simple wire antennas. In 2003 IEEE International Antennas and Propagation Symposium, Columbus, Ohio, June 22–27 2003.
[0254]
R L Dreyer and A R Clark. Preliminary results for Simply Sparse as a preconditioner to SIM. In 2002 IEEE Antennas and Propagation Society International Symposium, volume 2, pages 238–241, San Antonio, Texas, June 2002.
[0232]
T Abbott. Extension of SuperNEC to calculate characteristic modes. In 16th Annual review of progress in Applied Computational Electromagnetics, pages 221–225, Naval Postgraduate School, Monterey, March 20–24 2000.
[0208]
J Dresel, A R Clark, and A P C Fourie. Applying soft magnetic materials to conductive surfaces to realise a novel conformal HF antenna concept. In IEEE Africon Conference, Volume 2, pages 1069–1074, September 1999.
[0207]
A G levin, R J Cruise, M D McCulloch, C F Landy, and A R Clark. The use of a re-engineered motor and drive simulation tool for electrical engineering education. In IEEE Africon Conference, Volume 2, pages 887–892, September 1999.
[0226]
A G Levin, C F Landy, and A R Clark. A visually interactive paradigm for the simulation of drives as a pre- and post-processor to CASED. In SAUPEC ’98, pages 61–64, 1998.
[0203]
J Dresel, A P C Fourie, O Givati, and A R Clark. The modelling of lossy surfaces using a wire method-of-moments code. In ANTEM96, pages 793–796, 1996.
[0204]
A P C Fourie, O Givati, J Dresel, A R Clark, and N Pascoa. Measured and computed results of air-to-ground communication performance of 2 aircraft at VHF/UHF frequencies. In ANTEM96, pages 147–150, 1996.
[0192]
O Givati and A P C Fourie. Radiation patterns of antennas mounted on a fighter aircraft. In Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 245–249, 1994.
[0191]
O Givati and A P C Fourie. Initial design curves for skeletal wire conical antennas. In Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 215–218, 1994.
[0190]
A P C Fourie and D C Nitch. Comparing the sparse iterative method (SIM) with the banded jacobi and conjugate gradient techniques. In Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 15–18, 1994.
[0189]
A P C Fourie and D C Nitch. A fast sparse iterative method (SIM) for method of moments. In Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 11–14, 1994.
[0186]
D C Nitch and A P C Fourie. Investigating three methods for improving the performance of the SIM algorithm. In Antennas and Propagation Society International Symposium, Seattle, USA, pages 1166–1168, 1994.
[0185]
D C Nitch and A P C Fourie. A redesign of NEC2 using the object oriented paradigm. In Antennas and Propagation Society International Symposium, Seattle, USA, pages 1150–1153, 1994.
[0184]
O Givati and A P C Fourie. Radiation patterns of antennas mounted on a modified mirage aircraft. In Antennas and Propagation Society International Symposium, Seattle, USA, pages 1158–1161. IEEE, June 1994.
[0183]
O Givati and A P C Fourie. Initial design curves for skeletal wire conical antennas. In Antennas and Propagation Society International Symposium, Seattle, USA, pages 1298–1301. IEEE, June 1994.
[0182]
A P C Fourie, D C Nitch, and O Givati. A complex structure interpolation and gridding program (sig) for nec. In Antennas and Propagation Society International Symposium, Seattle, USA, pages 1154–1157. IEEE, June 1994.
[0181]
A P C Fourie and O Givati. Measuring shielding quality of coaxial cables at high frequencies. In Antennas and Propagation Society International Symposium, Seattle, USA, pages 1968–1971. IEEE, June 1994.
[0180]
A P C Fourie and D C Nitch. Comparing the sparse iterative method (SIM) with the banded jacobi and conjugate gradient techniques. In Antennas and Propagation Society International Symposium, Seattle, USA, pages 1181–1184. IEEE, June 1994.
[0179]
A P C Fourie and D C Nitch. A fast sparse iterative method (SIM) for method of moments. In Antennas and Propagation Society International Symposium, Seattle, USA, pages 1146–1149. IEEE, June 1994.
[0178]
A R Clark and A P C Fourie. Mutual impedance and the folded dipole. In IEE Conference Publication Number 384: Second International Conference on Computation in Electromagnetics; University of Nottingham, UK. 12-14 April, pages 347—350, 1994.
[0174]
O Givati, A Fourie, N Wilken, and A McKechnie. Analysis of skeletal wire conical antennas: Experimental verification antennas. In Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 30–1 — 30–10, 1993.
[0128]
A R Clark and A P C Fourie. Mutual coupling and folded dipoles. In Proceedings of the Antennas and Propagation & Microwave Theory and Techniques Symposium, Durban, pages 92–95, September 1992.
[0130]
B A Austin and A P C Fourie. New biconical antennas for EMC testing. In Proceedings of the Eighth IEE International Conference on Electromagnetic Compatibility, Publ 362., Edinburgh, September 1992.
[0095]
A Selikow and A P C Fourie. Off-boresight axial ratio performance of small radiating elements. In SAIEE Fourth Joint Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 266–273, August 29th 1991.
[0105]
B E Oberstein and A P C Fourie. Measurement of high frequency impedance transformer performance. In SAIEE Fourth Joint Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 184–191, August 29th 1991.
[0114]
A C Nesbitt and A R Scott. Study process profile of electrical engineering students. In Proceedings of the SEEE Second Biennial Conference, pages 78–91, February 1991 1991.
[0103]
O Givati and A P C Fourie. Performance of a wire biconical monopole. In SAIEE Fourth Joint Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 59–66, August 29th 1991.
[0104]
A P C Fourie. Two dipoles connected by a transmission line for broadband 2-30 MHz operation. In SAIEE Fourth Joint Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 51–58, August 29th 1991.
[0115]
A J Phillips, I R Jandrell, and K A Zeh. Microwave intrusion detection system: Theory and experimental results. In SAIEE Third Joint Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 373–378. Somerset West, August 1990.
[0086]
D C Nitch and A P C Fourie. Adapting the numerical electromagnetics code to run in parallel on a network of transputers. In SAIEE Third Joint Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 31–38. Somerset West, August 24th 1990.
[0087]
O Givati and A P C Fourie. The effect of antenna illumination on meteor burst communication (MBC) with theoretical and measured performance of MBC links. In SAIEE Third Joint Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 113–128. Somerset West, August 24th 1990.
[0090]
A P C Fourie and B A Austin. Design of a novel type of biconical antenna for measuring electromagnetic fields in the 30 to 1000 MHz range. In SAIEE Third Joint Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 81–86. Somerset West, August 24th 1990.
[0073]
A R Clark and A P C Fourie. Dipole antenna analysis - the use of simplified techniques. In SAIEE Third Joint Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 275–282. Somerset West, August 24th 1990.
[0085]
O Givati, A R Clark, and A P C Fourie. Intelligent pre-processor for NEC antenna design software. In Fifth Annual Review of Progress in Applied Computational Electromagnetics, pages 572–583. Naval Postgraduate School, Monterey, CA, March 20-24 1989.
[0091]
A P C Fourie. Simple method to compute the current distribution, input impedance and efficiency of thick unloaded and loaded dipole antennas. In Proceedings of the fifth annual review of progress in applied computational electromagnetics, pages 612–635. Naval Postgraduate School, Monterey, CA, March 20-24 1989.
[0051]
A R Clark and A P C Fourie. Problems with thin wire emulation of thicker wires using NEC2. In 5th Annual Review of Progress in Applied Computational Electromagnetics, pages 584–593. Naval Postgraduate School, Monterey, California, March 20-24 1989.
[0044]
A P C Fourie. Simple technique for analyzing and optimizing loaded broadband antennas. In SAIEE Second Joint Symposium on Antennas and Propagation & Microwave Theory and Techniques, pages 21.1–21.10, August 1988.
[0030]
B A Austin and A P C Fourie. Numerical modelling and design of loaded broadband wire antennas. In IEE Fourth International Conference on HF Communication Systems and Techniques, pages 125–128, 1988. Conference Publication 284.
[Degrees Journal Conference Miscellaneous In the Pipeline]

Miscellaneous Publications

[0260]
A R Clark. SuperNEC Study Guide for Electromagnetics and Antennas. Poynting Innovations (Pty) Ltd., 33 Thora Crescent, Wynberg, Johannesburg., 1st edition, 2004. ISBN 0-620-33512-2. 148 pages in full colour.
[0247]
A R Clark and A P C Fourie. Antennas in Practice—EM fundamentals and antenna selection. Poynting Innovations (Pty) Ltd, 33 Thora Crescent, Wynberg, Johannesburg., 1st edition, May 2001. ISBN 0-620-27619-3.
[0248]
A R Clark and A P C Fourie. Wireless Technology Overview—Modulation, access methods, standards and systems. Poynting Innovations (Pty) Ltd, 33 Thora Crescent, Wynberg, Johannesburg., 1st edition, May 2001. ISBN 0-620-27627-7.
[0249]
A P C Fourie and A R Clark. Wireless Installation Engineering. Poynting Innovations (Pty) Ltd, 33 Thora Crescent, Wynberg, Johannesburg, 1st edition, May 2001. ISBN 0-620-27621-5.
[0238]
A Fourie and D Nitch. SuperNEC: Antenna and indoor-propagation simulation program. IEEE Antennas and Propagation Magazine (Feature Article), 42(3):31–48, June 2000.
[0237]
A P C Fourie, D C Nitch, and O Givati. A complex-body structure interpolation and gridding program (SIG) for NEC. IEEE Antennas and Propagation Magazine (EM Programmer’s Notebook), 36(3):85–89, June 1994.
[Degrees Journal Conference Miscellaneous In the Pipeline]

Submitted Publications

[1]
B Orchard and A R Clark. Optimizing algorithms for antenna design. Transactions of the South African Institute of Electrical Engineers, Submitted for publication 12/8/2004.
[2]
R M Lishman and A R Clark. An algorithm for the automatic resolution of the position, orientation and dipole moment of a magnetic dipole antenna buried in rock. IEEE Transactions on Antennas & Propagation, Submitted for publication 02/09/2004.
[3]
W E Jennings and A R Clark. An investigation into the properties and limits of quasi-taper helical antennas. IEEE Transactions on Antennas & Propagation, Submitted for publication 02/09/2004.
[4]
W E Jennings and A R Clark. Design characteristics of the bifilar archemedian spiral antenna. Transactions of the South African Institute of Electrical Engineers, Submitted for publication 02/09/2004.

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