Dr. Aruna Gunawardena

Department of Electrical & Electronic Engineering
University of Peradeniya, Sri Lanka.
aruna AT ee.pdn.ac.lk
+94-81-2393433

Journal Papers

W.M.S.C Samarasinghe, J.R.S.S. Kumara, M.A.R.M. Fernando,Aruna U.A.W. Gunawardena . "Aging Assesment of Transformer Pressboard Insulation by Micro-strip Ring Resonator at GHz Frequencies".IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 24, Issue 3, pp. 1923-1930, June 2017.

W.M.S.C Samarasinghe, J.R.S.S. Kumara, M.A.R.M. Fernando, A.C.M. Ahamed, Aruna U.A.W. Gunawardena. "Moisture Estimation of Transformer Pressboard Insulation by Micro-strip Ring Resonator at GHz Frequencies". IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 23, Issue 3, pp.1409-1417, June 2016.

D. N. Uduwawala, Peter Fuks, M. Norgren and A.U.A.W. Gunawardena, “A Complete FDTD Simulation of a Real GPR Antenna System Operating above Lossy and Dispersive Grounds”, Progress in Electromagnetic Research, PIER 50, pp 209-229, 2005.

D. Uduwawala, M. Norgren, P. Fuks and A.W. Gunawardena, "A Deep parametric Study of Resistor-Loaded Bow-Tie Antennas for Ground-Penetrating Radar applications Using FDTD", IEEE Transactions on Geoscience and Remote Sensing, Vol. 42, pp 732-742, April, 2004.

Aruna Gunawardena, Dennis Longstaff, “Wave Equation Formulation of Synthetic Aperture Radar (SAR) Algorithms in the Time-Space Domain”, IEEE Transactions on Geoscience and Remote Sensing”, Vol.36, pp. 1995-1999, November, 1998.

Conference Papers

Full Papers

Maqsood Ahamed, Dimithra Ratnayake, Dilan Amarathunga and Aruna Gunawardena, "Wide-band Asymmetric Coupler with Optimallay Positioned Capacitors for Improved Directivity", Proceedings of the 9th International Conference on Industrial and Information Systems, Gwalior, India, December 2014.

H.M.P.B. Ranasinghe, S.M.P. Senanayake, U.I.P. Senaratne, A.U.A.W. Gunawardena, D.N. Uduwawala, “Design of a low cost cavity backed wideband bow-tie antenna for ground penetrating radar systems”, Proceedings of the 2013 IEEE 8th International Conference on Industrial and Information Systems (ICIIS), 17th-20th December, Peradeniya, Sri Lanka.

H.M.P.B. Ranasinghe, S.M.P. Senanayake, U.I.P. Senaratne, A.U.A.W. Gunawardena, K.M.M.W.N.B. Narampanawe, “Design and analysis of a stepped frequency ground penetrating radar system”, Proceedings of the 2013 IEEE 8th International Conference on Industrial and Information Systems (ICIIS), 17th-20th December, Peradeniya, Sri Lanka.

H.M.P.B. Ranasinghe, S.M.P. Senanayake, U.I.P. Senaratne, A.U.A.W. Gunawardena,“Design of a cavity backed wide band bow-tie antenna for ground penetrating radar applications”, Peradeniya University Research Sessions (PURSE) 4th July 2012, Peradeniya, Sri Lanka.

Kishokumar G., Muralitharan S., Elalasingham G.A.R., Arunprasanth S. Narampanawe K.N.N.W.N.B., Gunawardena A.U.A.W., “Microwave Mixer Design to Extend the Measurement Range of a Spectrum Analyzer”, Annual Transactions of IESL, pp 533-539, 2011

A.U.A.W. Gunawardena, “Design and Fabrication of an RF Energy meter: Part 2, Design of the RF front End”, Proceedings of the Annual Research Sessions, University of Peradeniya, December, 2009

D. N. Uduwawala, Peter Fuks, M. Norgren and A.U.A.W. Gunawardena, “A Complete FDTD Simulation of a Real GPR Antenna System Operating above Lossy and Dispersive Grounds”, Progress in Electromagnetic Research, PIER 50, pp 209-229, 2005.

D. N. Uduwawala, Peter Fuks, M. Norgren and A.U.A.W. Gunawardena, “An FDTD simulation of a GPR detecting buried pipes in lossy and dispersive grounds”, 13th International Symposium on Antennas (JINA), Nice, France, pp352-353, November, 2004

D. N. Uduwawala, Peter Fuks, M. Norgren and A.U.A.W. Gunawardena, "FDTD simulation of a resistively loaded now-tie antenna for detection of buried metal objects", Proceedings of the Annual Research Sessions, University of Peradeniya, October, 2002.

Aruna Gunawardena and Jim Schroeder, “A method for Simulating Wide-Beam Radar Sea Clutter”, Proceedings of the Annual Research Sessions 2000, University of Peradeniya, pp11-14.

Jim Schroeder, David Howard, Aruna Gunawardena, “Multiscale Modelling for Target Detection in Complex Synthetic Aperture Radar Imagery”, 1999 Information, Decision and Control Proceedings, Adelaide, Australia, February, 1999, pp. 77-82.

Aruna Gunawardena, Jim Schroeder, “Polynomial Hough Transform Based Feature Extraction from SAR Imagery”, Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR-98, Friedrichshafen, Germany, May, 1998, pp. 273-276.

Aruna Gunawardena, Jim Schroeder, “Investigation of ECCM Techniques for Airborne Early Warning and Control”, Technical Report No. CSSIP-CR-2/98, Cooperative Research Centre for Sensor Signal and Information Processing, Adelaide, Australia, January, 1998.

Jim Schroeder, Aruna Gunawardena, “Speckle Reduction in SAR Imagery”, International Workshop on Image Analysis and Image Fusion (IAIF-97), Adelaide Australia, November, 1997, pp. 357-362.

Aruna Gunawardena, Dennis Longstaff, “Ultra-Wideband Widebeam SAR Processing in the Time-Space Domain”, Radar 97, IEE International Radar Conference, Edinburgh, U.K., October 1997, pp. 229-232.

Jim Schroeder, Aruna Gunawardena, “Speckle Reduction in SAR Imagery for Enhanced Automatic Target Detection”, Workshop on Defense Signal Processing, Victor Harbour, South Australia, June, 1997.

Aruna Gunawardena, Dennis Longstaff, “Synthetic Aperture Radar Processing for Ground Penetrating Radar”, Proceedings of WARS-95, the Workshop on Applications of Radio Science, Canberra, Australia, June, 1995

Aruna Gunawardena, Dennis Longstaff, “A Matched Filter Based Synthetic Aperture Radar SAR) Algorithm for Stepped Frequency Ground Penetrating Radar”, Proceedings of IEEE 1995 International Radar Conference, Washington D.C., U.S.A, May ,1995, pp. 239-243.