Assoc Prof Jim Ball
|Position||Honorary Associate Professor|
|Section||School of Mechanical and Electrical Engineering|
|Qualifications||BSc(Hons) Leicester , GDipEd DDIAE , MSc London , PhD Qld|
Fields of Research (FoR)
Electrical and Electronic Engineering not elsewhere classified
Radio frequency and microwave techniques
Numerical solution of electromagnetic problems
Time domain reflectometry
Member, Institution of Engineering and Technology (formerly IEE)(UK)
Member, Institute of Electrical and Electronic Engineers (USA).
USQ Research affiliations
Computational Engineering and Science Research Centre (CESRC)
1989 - 2004 Head, Electrical, Electronic and Computer Engineering
Research most recent
Sharma R. and Ball J.A.R., Unipolar Switched Inverter Low Frequency Harmonics Caused by Switching Delay, IET Power Electronics, Vol. 2, Issue 5, pp. 508-516, September 2009.
Wells C.G. and Ball J.A.R., Attenuation of a Shielded Rectangular Dielectric Rod Waveguide, IEEE Transactions on Microwave Theory and Techniques, Vol.54, No.7, July 2006, pp.3013-3018.
Wells C.G. and Ball J.A.R., Mode Matching Analysis of a Shielded Rectangular Dielectric Rod Waveguide, IEEE Transactions on Microwave Theory and Techniques, Vol 53, No. 10, October 2005, pp. 3169-3177.
Research most notable
Ball J.A.R., Characteristic Impedance of Unbalanced TDR Probes, IEEE Trans. Instrumentation and Measurement, Vol.51, No.3, pp.532-536, June 2002.
Ball J.A.R.and Sulda T., Small Aperture Crossed Waveguide Broad Wall Directional Couplers, IEE Proceedings - Microwaves, Antennas and Propagation, Vol. 147, No. 4, August 2000, pp. 249-254.
Horsfield B and Ball J A R, Surface Wave Propagation on a Grounded Dielectric Slab Covered by a High Permittivity Material, IEEE Microwave and Guided Wave
Letters, Vol. 10, No. 5, pp. 171-173, May 2000
Ball J A R and Horsfield B, Resolving Ambiguity in Broadband Waveguide Permittivity Measurements on Moist Materials, IEEE Trans. Instrumentation and Measurement, Vol 47, No. 2, April 1998, pp. 390-392.
Sabburg J, Ball J A R and Hancock N H, Dielectric Behaviour of Moist Swelling Clay Soils at Microwave Frequencies, IEEE Trans Geosciences and Remote Sensing, Vol 35, No. 3, May 1997, pp. 784-787.
Publications in ePrints
Shahid, S. and Ball, J. A. R. and Wells, C. G. and Wen, P. (2011) Reflection type Q-factor measurement using standard least squares methods. IET Microwaves, Antennas and Propogation, 5 (4). pp. 426-432. ISSN 1751-8725
Sharma, R. and Ball, J. A. R. (2009) Unipolar stitched inverter low-frequency harmonics caused by stitching delay. IET Power Electronics, 2 (5). pp. 508-516. ISSN 1755-4535
Ku, H. and Cardona, F. and Ball, J. and Jacobson, W. and Trada, M. (2008) Relationship between electrical and mechanical loss tangents of SLG reinforced phenolic composites: pilot study. Journal of Composite Materials, 42 (19). pp. 2083-2095. ISSN 0021-9983
Wells, Colin G. and Ball, James A. R. (2006) Attenuation of a shielded rectangular dielectric rod waveguide. IEEE Transactions on Microwave Theory and Techniques, 54 (7). pp. 3013-3018. ISSN 0018-9480
Ku, Harry S. and Siores, Elias and Ball, James A. R. (2005) Application of variable frequency microwave (VFM) to adhesives. Journal of Electromagnetic Waves and Applications, 19 (11). pp. 1467-1484. ISSN 0920-5071