Edward J. Rothwell Papers published in refereed journals (Updated 7 May 2015)
  1. E. J. Rothwell, "Analysis of loss to prevent oscillations in the slow-wave cyclotron amplifier," International Journal of Electronics, vol. 53, no. 6, pp. 715-727, Dec. 1982.
  2. E. J. Rothwell, D. P. Nyquist, K. M. Chen, and B. Drachman, "Radar target discrimination using the extinction-pulse tech-nique," IEEE Transactions on Antennas and Propagation, vol. AP-33, pp. 929-937, Sept. 1985.
  3. B. Drachman and E. J. Rothwell, "A continuation method for the identifica-tion of the natural frequencies of an object using a measured response," IEEE Transactions on Antennas and Propa-gation, vol. AP-33, pp. 445-450, April 1985.
  4. Byron Drachman and Ed Rothwell, "Addendum to: A continua-tion method for the extraction of the natural frequencies of an object using a measured response," IEEE Transactions on An-tennas and Propagation, vol. AP-34, p. 271, February 1986.
  5. K. M. Chen, D. P. Nyquist, E. J. Rothwell, L. Webb, and B. Drachman, "Radar target discrimination by convolution of radar return with extinction-pulses and single mode extraction sig-nals," IEEE Transactions on Antennas and Propaga-tion, vol. AP-34, pp. 896-904, July 1986.
  6. E. Rothwell, K. M. Chen, D. P. Nyquist, and W. M. Sun, "Frequency domain E-pulse synthesis and target discrimination," IEEE Transactions on Antennas and Propagation, vol. AP-35, pp. 426-434, April 1987.
  7. E. Rothwell, K. M. Chen, and D. P. Nyquist, "Extraction of the natural frequencies of a radar target from a measured response using E-pulse techniques," IEEE Transac-tions on Antennas and Propagation, vol. AP-35, pp. 715-720, June 1987.
  8. E. Rothwell and N. Gharsallah, "Determination of the natural frequencies of a thin wire elliptical loop," IEEE Transactions on Antennas and Propagation, vol. AP-35, pp. 1319-1324, November 1987.
  9. E. J. Rothwell and L. L. Frasch, "Propagation characteristics of dielectric rod loaded waveguides," IEEE Transactions on Microwave Theory and Techniques, vol. 36, pp. 594-600, March 1988.
  10. E. J. Rothwell and K. M. Chen, "A Hybrid E-pulse/Least Squares Technique for Natural Resonance Extraction," Proceedings of the IEEE, pp. 296-298, March 1988.
  11. M. A. Blischke, E. J. Rothwell, K. M. Chen, and J. L. Lin, "Receiving and scatter-ing characteristics of circular patch antenna array," Journal of Electro-magnetic Waves and Applications, Vol. 2, No. 3/4, pp. 353-378, 1988.
  12. E. Rothwell and B. Drachman, "A Unified Approach to Solving Ill-conditioned Matrix Problems," International Journal for Numerical Methods in Engineer-ing, Vol. 28, pp. 609-620, March 1989.
  13. N. Gharsallah, E. Rothwell, K. M. Chen, and D. P. Nyquist, "Identification of the Natural Resonances of a Conducting Sphere from a Measured Response," IEEE Transactions on Antennas and Propagation, Vol. 38, pp. 141-143, January 1990.
  14. W. M. Sun, K. M. Chen, D. P. Nyquist, and E. J. Rothwell, "The Natural Oscilla-tions of an Infinitely Long Cylinder Coated With Lossy Material," Radio Science, Vol. 24, No. 3, pp. 369-380, May-June 1989.
  15. W. M. Sun, K. M. Chen, D. P. Nyquist, and E. J. Rothwell, "Determination of the Natural Modes for a Rectangular Plate," IEEE Transactions on Antennas and Propagation, Vol. 38, pp. 643-652, May 1990.
  16. E. J. Rothwell and W. M. sun, "Time Domain Deconvolution of Transient Radar Data," IEEE Transactions on Antennas and Propagation, Vol. 38, pp. 470-475, April 1990.
  17. J-P Bayard, D. H. Schaubert, E. J. Rothwell, K. M. Chen and D. P. Nyquist, "Optimization method versus E-pulse method in the context of target discrimination," IEEE Transactions on Antennas and Propagation, Vol. 39, pp. 11-115, January 1991.
  18. C. E. Baum, E.J. Rothwell, K. M. Chen and D. P. Nyquist, "The singularity expansion method and its application to target identification," Proceedings of the IEEE, Vol. 79, pp. 1481-1492, October 1991.
  19. E. J. Rothwell, M. J. Cloud and P. Ilavarasan, "Transient field produced by a travelling-wave wire antenna," IEEE Transactions on Electromagnetic Compati-bility, Vol. 33, pp. 172-178, August 1991.
  20. E. J. Rothwell, J. Baker, K. M. Chen and D. P. Nyquist, "Approximate natural response of an arbitrarily shaped thin wire scatterer," IEEE Transactions on Antennas and Propagation, Vol. 31, pp. 1457-1462, October 1991.
  21. E. J. Rothwell and M. J. Cloud, "A Hallen-type integral equation for symmetric scattering from lossy circular disks," IEEE Transactions on Antennas and Propaga-tion, Vol. 40, pp. 920-925, August 1992.
  22. K. M. Chen, D. P. Nyquist, E. J. Rothwell and W. M. Sun, "New progress on E/S pulse techniques for noncooperative target recognition," IEEE Transactions on Antennas and Propagation, vol. 40, pp. 829-833, July 1992.
  23. W. Gesang, E. Rothwell, K.M. Chen, K. Burket, W.P. Hansen and J.L. Lin, "Receiving and scattering characteristics of an imaged monopole beneath a lossy sheet," IEEE Transactions on Antennas and Propagation, vol. 41, pp. 287-294, March 1993.
  24. E. Rothwell, K.M. Chen, D.P. Nyquist, P. Ilavarasan, J. Ross, R. Bebermeyer, and Q. Li, "Radar Target Identification and Detection Using Short EM Pulses and the E-pulse Technique," in Henry L. Bertoni, Lawrence Carin and Leopold B. Felsen (ed.), Ultra-Wideband, Short-Pulse Electromagnetics, New York. Plenum, pp. 475-482, 1993.
  25. P. Ilavarasan, J.E. Ross, E.J. Rothwell, K.M. Chen, and D.P. Nyquist, "Perfor-mance of an automated target discrimination scheme using E pulses and S pulses," IEEE Transactions on Antennas and Propagation, vol. 41, pp. 582-588, May 1993.
  26. P. Ilavarasan, E. Rothwell, K.M. Chen and D. P. Nyquist, "Natural resonance extraction from multiple data sets using physical constraints," Radio Science, vol. 29, no. 1, pp. 1-7, January-February 1994.
  27. E.J. Rothwell, K.M. Chen, D.P. Nyquist, J.E. Ross and R. Bebermeyer, "A radar target discrimination scheme using the discrete wavelet transform for reduced data storage," IEEE Transactions on Antennas and Propagation, vol. 42, pp. 1033-1037, July 1994.
  28. John E. Ross, Edward J. Rothwell, Dennis P. Nyquist and Kun-Mu Chen, "Approxi-mate integral-operator methods for estimating the natural frequencies of coupled objects," Radio Science, vol. 29, no. 2, pp. 677-684, July-August 1994.
  29. J. Song, D.P. Nyquist, S. Ohnuki, K.M. Chen and E.J. Rothwell, "Scattering of TE-polarized EM waves by discontinuity in grounded dielectric layer," IEEE Transactions on Microwave Theory and Techniques, pp. 481-488, March 1994.
  30. J.E. Ross, E.J. Rothwell, D.P. Nyquist and K.M. Chen, "Transient coupling analysis using the singularity expansion method," IEEE Transactions on Electromagnetic Compatibility, vol. 36, no. 4, pp. 358-364, November 1994.
  31. Edward J. Rothwell, Kun-Mu Chen, Dennis P. Nyquist, Ponniah Ilavarasan, John E. Ross, Robert Bebermeyer, and Qing Li, "A general E-pulse scheme arising from the dual early-time/late-time behavior of radar scatters," IEEE Transactions on Antennas and Propagation, vol. 42, no. 9, pp. 1336-1341, September 1994.
  32. Edward Rothwell, Kun-Mu Chen, Dennis Nyquist, John Ross and Robert Bebermeyer, "Measure¬ment and processing of scattered ultrawide-band/short-pulse signals," Proceedings of the Society of Photo-Optical Instrumentation Engineers on Radar/Ladar Processing and Applications, William J. Miceli, Ed., vol. 2562, pp.138-149, July 1995.
  33. E.J. Rothwell, K.M. Chen, D.P. Nyquist, and J.E. Ross, "Time-domain imaging of airborne targets using ultra-wideband or short-pulse radar," IEEE Transac-tions on Antennas and Propagation, vol. 43, no. 3, pp. 327-329, March 1995.
  34. P. Ilavarasan, E.J. Rothwell, K.M. Chen, D.P. Nyquist and R. Bebermeyer, "Natural resonance extraction from multiple data sets using a genetic algorithm," IEEE Transactions on Antennas and Propagation, vol. 43, no. 8, pp. 900-904, August 1995.
  35. K.M. Chen, E. Rothwell, D.P. Nyquist, J. Ross, P. Ilavarasan, R. Bebermeyer, Q. Li, C.Y. Tsai and A. Norman, "Radar Identification and detection using ultra-wideband/short-pulse radars," in Lawrence Carin and Leopold B. Felsen (ed.), Ultra-Wideband, Short-Pulse Electromagnetics 2, New York. Plenum, pp. 535-542, 1995.
  36. C.Y. Tsai, E.J. Rothwell and K.M. Chen, "Target discrimination using neural networks with time domain or spectrum magnitude response," Journal of Electromag-netic Waves and Applications, vol. 10, no. 3, pp. 341-382, 1996.
  37. E.J. Rothwell and M.J. Cloud, "On the natural frequencies of an annular ring above a conducting half space," Journal of Electromagnetic Waves and Applications, vol. 10, no. 2, pp. 155-179, 1996.
  38. Q. Li, E.J. Rothwell, K.M. Chen and D.P. Nyquist, "Scattering center analysis of radar targets using fitting scheme and genetic algorithm," IEEE Transactions on Antennas and Propagation, vol. 44, no. 2, pp. 198-207, February 1996.
  39. E.J. Rothwell and M.J. Cloud, "Transient plane wave scattering from an annular ring above a lossy half space," Journal of Electromagnetic Waves and Applications, vol. 10, no. 9, pp. 1287-1310, 1996.
  40. Edward J. Rothwell, Kun Mu Chen, Dennis P. Nyquist, Adam Norman, G. Wallinga, and Y. Dai, “Target Detection and Identification Using a Stepped-Frequency, Ultrawideband Radar,” Proceedings of the Society of Photo-Optical Instrumentation Engineers on Radar Processing, Technology, and Applications, William J. Miceli, Ed., vol. 2845, pp. 26-37, November 1996.
  41. A. Norman, D.P. Nyquist, E. Rothwell, K.M. Chen, J. Ross, and P. Ilavarasan, "Transient scattering of a short pulse from a conducting sinusoidal surface," Journal of Electromagnetic Waves and Applications, vol. 10, no. 4, pp. 461-487, 1996.
  42. Q. Li, E.J. Rothwell, K.M. Chen, and D.P. Nyquist, "Radar target discrimin-ation schemes using time-domain and frequency domain methods for reduced data storage," IEEE Transactions on Antennas and Propagation, vol. 45, no. 6, pp. 995-1000, June 1997.
  43. Y. Dai, E.J. Rothwell, K.M. Chen, and D.P. Nyquist, "Time-domain imaging of radar targets using algorithms for reconstruction from projections," IEEE Transac-tions on Antennas and Propagation, vol. 45, no. 8, pp. 1227-1235, August 1997.
  44. E.J. Rothwell, K.M. Chen, D.P. Nyquist, A. Norman, G. Wallinga and Y. Dai, "Target detection and imaging using a stepped-frequency ultra-wideband radar," in Carl E. Baum, et. al. (ed.), Ultra-Wideband, Short-Pulse Electromagnetics 3, New York. Plenum, pp. 439-446, 1997.
  45. G.S. Wallinga, E.J. Rothwell, K.M. Chen and D.P. Nyquist, "Application of cepstral analysis to radar target discrimination using E-pulse cancellation," Journal of Electro-magnetic Waves and Applications, vol. 12, no. 3, pp. 387-405, 1998.
  46. Q. Li, P. Ilavarasan, J.E. Ross, E.J. Rothwell, K.M. Chen, and D.P. Nyquist, "Combination of early-time and late-time based E pulses to improve target identifica-tion," IEEE Transaction on Antennas and Propagation, vol. 46, no. 9, pp. 1272-1278, September 1998.
  47. E.J. Rothwell, K.M. Chen and D.P. Nyquist, "An adaptive-window-width short-time Fourier transform for visualization of radar target substructure resonances," IEEE Transactions on Antennas and Propagation, vol. 46, no. 9, pp. 1393-1395, September 1998.
  48. E.J. Rothwell and M.J Cloud, "Natural frequencies of a conducting sphere with a circular aperture," Journal of Electromagnetic Waves and Applications, Vol. 13, pp. 729-755, 1999.
  49. A. Kizilay and E. Rothwell, "Efficient computation of transient TM scattering from a cylinder above an infinite periodic surface," Journal of Electromagnetic Waves and Applications, Vol. 13, pp. 943-961, 1999.
  50. G.S. Wallinga, E.J. Rothwell, K.M. Chen and D.P. Nyquist, "Efficient Computation of the 2-dimensional Periodic Green’s Function," IEEE Transactions on Antennas and Propagation, Vol. 47, No. 5, pp. 895-897, May 1999.
  51. Y. Dai, E.J. Rothwell, K.M. Chen, and D.P. Nyquist, "Time-domain imaging of radar targets using sinogram restoration for limited-view reconstruction," IEEE Transactions on Antennas and Propagation, Vol. 47. No. 8, pp. 1323-1329, August 1999.
  52. C. Ohl, E.J. Rothwell, D. Nyquist, and K.M. Chen, "Use of minimum phase signals to establish the time reference in transient radar target identification schemes," IEEE Transactions on Antennas and Propagation, pp. 124-125, January 2000.
  53. G. Chen, B.L. Upham, W. Sun, C.-C. Chang, E.J. Rothwell, K.M. Chen, H. Yamasaki, and J.E. Trosko, "Effect of electromagnetic field exposure on chemically-induced differentiation of Friend erythroleukemia cells," Environmental Health Perspectives, Volume 108, Number 10, pp. 967-972, October 2000.
  54. G.S. Wallinga, E.J. Rothwell, K.M. Chen, and D.P. Nyquist, "Enhanced detection of a target in a sea clutter environment using stepped, ultra-wideband signal and E-pulse cancellation," IEEE Transactions on Antennas and Propagation, vol. 49, no. 8, pp. 1166-1173, August 2001.
  55. A. Kizilay and E.J. Rothwell, "Transient TE scattering from a cylinder above an infinite periodic surface using a decomposition method," Journal of Electromagnetic Waves and Applications, vol.15, no. 3, pp. 293-314, 2001.
  56. M. Schacht, E.J. Rothwell, and C. Coleman, "Time-domain imaging of objects within enclosures," IEEE Transactions and Antennas and Propagation, pp. 895-898, June 2002.
  57. C. Coleman, E. Rothwell, J. Ross, and L. Nagy, "Self-Structuring Antennas," IEEE Antennas and Propagation Magazine, vol. 44, no. 3, pp.11-22, June 2002 (invited).
  58. J. Suk and E.J. Rothwell, "Transient Analysis of TE-Plane Wave Scattering in a Layered Medium," Journal of Electromagnetic Waves and Applications, Vol. 16, No. 2, pp. 281-297, 2002.
  59. Chi-Wei Wu, L.C. Kempel, and E.J. Rothwell, "Hybrid Finite Element-Boundary Integral Method for Cavities Recessed in an Elliptic Cylinder," IEEE Transactions on Antennas and Propagation, vol. 51, no. 8, pp. 1829-1836, August 2003.
  60. J. Suk and E.J. Rothwell, “Transient Analysis of TM-Plane Wave Reflection from a Layered Medium,” Journal of Electromagnetic Waves and Applications, Vol.16, No. 9, pp. 1195-1208, 2002.
  61. Chi-Wei Wu, Leo C. Kempel, and Edward J. Rothwell, “Mutual Coupling Between Patch Antennas Recessed in an Elliptic Cylinder,” IEEE Transactions on Antennas and Propagation, vol. 51, no. 8, pp.2489-2492, September 2003.
  62. In-Sik Choi, Dong-Kyu Seo, Jin-Kyu Bang, Hyo-Tae Kim and Edward Rothwell, “Radar Target Recognition Using One-dimensional Evolutionary Programming-Based CLEAN,” Journal of Electromagnetic Waves and Applications, vol. 17, no. 5, pp. 763-784, 2003.
  63. A. Kizilay and E.J. Rothwell, “Experimental Investigation of Transient Multipath for Objects above a Periodic Surface,” IEEE Transactions on Antennas and Propagation, vol. 51, no. 10, pp. 2968-2973, October 2003.
  64. Jong Oh, Edward Rothwell, Dennis Nyquist, and Michael Havrilla, “Natural Resonance Representation of the Transient Field Reflected by a Conductor-Backed Lossy Layer,” Journal of Electromagnetic Waves and Applications, vol. 17, no. 5, pp. 673-694, 2003.
  65. G. Stenholm, E.J. Rothwell, D.P. Nyquist, L.C. Kempel, and L.L. Frasch, “E-pulse diagnostics of simple layered materials,” IEEE Transactions on Antennas and Propagation, vol. 51, no. 12, pp. 3221-3227, December 2003.
  66. In-Sik Choi, Joon-Ho Lee, Hyo-Tae Kim and Edward J. Rothwell, “Natural Frequency Extraction Using Late-time Evolutionary Programming-Based CLEAN,” IEEE Transactions on Antennas and Propagation, vol. 51, no. 12, pp. 3285-3292, December 2003.
  67. Edward J. Rothwell and Jungwook Suk, “Efficient Computation of the Time-Domain TE Plane-Wave Reflection Coefficient,” IEEE Transactions on Antennas and Propagation, vol. 51, no. 12, pp. 3283-3285, December 2003.
  68. Ahmet Kizilay and E.J. Rothwell, “Transient multipath analysis of circular cylinders above sinusoidal surfaces using a ray tracing method,” Journal of Electromagnetic Waves and Applications, vol. 18, no. 1, pp. 41-60, 2004.
  69. C.M. Coleman, E.J. Rothwell, and J.E. Ross, “Investigation of Simulated Annealing, Ant-Colony Optimization, and Genetic Algorithms for Self-Structuring Antennas,” IEEE Transactions on Antennas and Propagation, vol. 52, no. 4, pp. 1007-1014, April 2004.
  70. E.J. Rothwell, “Using Transport Equations in the Teaching of Electromagnetics,” IEEE Transactions on Education, vol. 47, no. 3, pp. 361-364, August 2004.
  71. Heike Vollmer and Edward J. Rothwell, “Resonance Series Representation of the Early-Time Field Scattered by a Coated Cylinder,” IEEE Transactions on Antennas and Propagation, vol. 52, no. 8, pp. 2186-2189, August 2004.
  72. J.C. Oh, E. Rothwell, B.T. Perry, and M.J. Havrilla, “Natural Resonance Representation of the Transient Field Reflected by a Conductor-Backed Layer of Debye Material,” Journal of Electromagnetic Waves and Applications, vol.18, no. 5, pp. 571-589, 2004.
  73. Sean P. Dorey, Michael J. Havrilla, Lydell L. Frasch, and Edward J. Rothwell, “Stepped-Waveguide Material Characterization Technique,” IEEE Antennas and Propagation Magazine, vol. 46, No. 1, pp. 170-175, February 2004.
  74. M.E. O’neal, D.A. Landis, E. Rothwell, L. Kempel, and D. Reinhard, “Tracking Insects with Harmonic Radar: a Case-Study,” American Entomologist, vol. 50, No. 4, Fall 2004.
  75. B.T. Perry, E.J. Rothwell, and L.L. Nagy, “Analysis of Switch Failure in a Self-Structuring Antenna System,” IEEE Antennas and Wireless Propagation Letters, vol. 4, pp. 68-70, 2005.
  76. E. Rothwell, “Computation of the Logarithm of Bessel Functions of Complex Argument,” Communications in Numerical Methods in Engineering, vol. 4, pp. 597-605, 2005.
  77. E.J. Rothwell, “Efficient Computation for the Time-Domain TM Plane-Wave Reflection Coefficient,” IEEE Transactions on Antennas and Propagation, vol. 53, no. 10, pp. 3417-3419, October 2005.
  78. Andrew Bogle, Michael Havrilla, Dennis Nyquist, Leo Kempel, and Ed Rothwell, “Electromagnetic Material Characterization using a Partially-Filled Rectangular Waveguide,” Journal of Electromagnetic Waves and Applications, vol. 19, no. 10, pp. 1291-1306, 2005.
  79. D. Love and E. Rothwell, “A Mode-Matching Approach to Determine the Shielding Properties of a Doubly-Periodic Array of Rectangular Apertures in a Thick Conducting Screen,” IEEE Transactions on Electromagnetic Compatibility, vol. 48, no. 1, pp. 121-133, February 2006.
  80. E.J. Rothwell, L.C. Kempel, and L.L. Frasch, “E-pulse Discrimination of R-Cards in a Layered Environment,” IEEE Transactions on Antennas and Propagation, vol. 54, no. 7, pp. 2175-2178, July 2006.
  81. S.M. Cossmann, E.J. Rothwell, and L.C. Kempel, “Transient reflection of TE-polarized plane waves from a Lorentz medium half space,” Journal of the Optical Society of America A, vol. 23, no. 9, pp. 2320-2323, 2006.
  82. J.F. Wierzba and E.J. Rothwell, “E-Pulse Diagnostics of Curved Coated Conductors with Varying Thickness and Curvature,” IEEE Transactions on Antennas and Propagation, vol. 54, no. 9, pp. 2672-2676, September 2006.
  83. E.J. Rothwell, “Natural-mode representation for the field reflected by an inhomogeneous conductor-backed material layer -- TE case,” Progress in Electromagnetic Research, PIER 63, pp. 1-20, 2006.
  84. S. Cossmann, E. Rothwell, and L. Kempel, “Transient Reflection of TM-polarized Plane Waves from a Lorentz Medium Half Space,” Journal of the Optical Society of America A, vol. 24, no. 3, pp. 882-887, 2007.
  85. E.J. Rothwell, “Natural-mode representation for the field reflected by an inhomogeneous conductor-backed material layer -- TM case,” Journal of Electromagnetic Waves and Applications, vol. 21, no. 5, page 569-584, 2007.
  86. E.J. Rothwell, “Computation of the Logarithm of Bessel Functions of Fractional Order,” Communications in Numerical Methods in Engineering, vol. 24, no. 3, pp. 237-249, March 2008. (published online December 19, 2006, ON: 1099-0887, PN: 1069-8299.)
  87. E. Rothwell, “Plane-wave Impulse Response of a Debye Half Space,” Electromagnetics, vol. 27, no. 4, pp. 195-206, May 2007.
  88. S.M. Cossmann and E.J. Rothwell, “Transient reflection of plane waves from a Lorentz medium half space,” Journal of Electromagnetic Waves and Applications, vol. 21, no. 10, pp. 1289-1302, 2007.
  89. G.D. Dester and E.J. Rothwell, “Analysis of the Transient Field Scattered by a Line Source above a Grounded Dielectric Slab,” Ultra-Wideband, Short-Pulse Electromagnetics 8, pp. 195-202, October 2007.
  90. B. Perry, S. Cossmann, L. Kempel, and E. Rothwell, “Application of the Method of Subregions to Measurement of Layered Materials,” Ultra-Wideband, Short-Pulse Electromagnetics 8, pp. 211-218, October 2007.
  91. B.T. Perry and E.J. Rothwell, “Calculation of the Transient Plane-Wave Reflection from an N-layer Medium by the Method of Subregions,” IEEE Transactions on Antennas and Propagation, vol. 55, no. 11, pp. 3293-3299, November 2007.
  92. B.T. Perry, E.J. Rothwell, and L.C. Kempel, “Comparison of the Measured Pulse Response of Layered Materials using Time and Frequency-Domain Systems,” IEEE Antennas and Propagation Magazine, vol. 49, no.5, pp. 117-123, October 2007.
  93. G.D. Dester and E.J. Rothwell, “Natural Resonances of a Lossy Conductor-Backed Slab Excited by a Non-Planar Incident Field,” Journal of Electromagnetic Waves and Applications, vol. 22, no.8-9, pp. 1081-1098, 2008.
  94. J. Lee, M. Havrilla, M. Hyde, and E.J. Rothwell, “Scattering From A Cylindrical Resistive Sheet Using A Modified PO Current,” IET Proceedings on Microwaves, Antennas, and Propagation, vol. 2, no. 5, pp. 482-491, 2008.
  95. Edward Rothwell, “Pulse Reflection from a Generally Dispersive Material – TE Polarization,” International Journal of Applied Electromagnetics and Mechanics, vol. 28, no. 1-2, pp. 111-116, 2008.
  96. Zwietasch, T., E. J. Rothwell, and S. M. Cossmann (2008), Impulsive plane-wave reflection from a homogeneous plasma half space, Radio Sci., 43, RS4015, doi:10.1029/2007RS003733.
  97. Jeong-Jin Kang, Wan-Sik Kim, Dong-Joon Lee, and Eward J. Rothwell, “Reconfigurable MMIC VCO Design for Wireless Ubiquitous Communications,” The Journal of the Institute of Webcasting, Internet Television and Telecommunications (IWIT), vol. 8, no. 2, pp. 67-73, 2008.
  98. Edward J. Rothwell, Badley Perry, and Garrett Stenholm, “Time-domain NDE of layered materials using the E-pulse technique,” Electronics Letters, pp. 1055-1056, vol. 44, no. 18, August 28, 2008.
  99. Jeong-Jin Kang, Dong-Joon Lee, and Edward J. Rothwell, “Compact Mobile Antenna and Near Field Characterization for Communication Broadcasting Convergence,” The Journal of the Institute of Webcasting, Internet Television and Telecommunications (IWIT), vol. 8, no. 5, pp. 43-49, October 2008.
  100. B. T. Perry and E. J. Rothwell, “Natural Mode Series Representation of the Transient Field Reflected from an N-layer Lossy Medium,” IEEE Transactions on Antennas and Propagation, vol. 57, no. 2, pp. 444-451, February 2009.
  101. E. J. Rothwell and G. D. Dester, “E-Pulse Diagnostics of a Coated Conductor Using a Non-planar Interrogation Field,” IEEE Transactions on Antennas and Propagation, vol. 57, no. 2, pp. 587-590, February 2009.
  102. M.W. Hyde, J.W. Stewart, M.J. Havrilla, W.P. Baker, E.J. Rothwell, and D.P. Nyquist, “Nondestructive Electromagnetic Material Characterization using a Dual Waveguide Probe: a Full Wave Solution,” Radio Science, vol. 44, no. 3, p. 3013-3026, June 2009.
  103. Edward J. Rothwell, “Exponential approximations of the Bessel functions I0(x), I1(x), J0(x), J1(x), Y0(x) and H0(2)(x), with application to electromagnetic scattering, radiation, and diffraction,” IEEE Antennas and Propagation Magazine, vol. 51, no. 3, pp. 138-147, June 2009.
  104. E.J. Rothwell, “The Transmission Line as a Simple Example for Introducing Integral Equations to Undergraduates,” IEEE Transactions on Education, vol. 52, no. 4, pp. 459-469, November 2009.
  105. In-Sik Choi and E.J. Rothwell, "A Study on Measurement of UWB Radar Signals Using Time-domain and Frequency-domain Measurement System," Journal of the Korean Institute of Information Technology , vol. 7, no. 5, pp. 57- 63, 2009.
  106. Lynn Greetis, Raoul Ouedraogo, Brian Greetis, and Edward J. Rothwell, "A Self-Structuring Patch Antenna," IEEE Antennas and Propagation Magazine, vol. 52, no. 1, pp. 114-123, February 2010.
  107. Edward J. Rothwell, "Extraction of the Wideband Dielectric Properties of a Material Layer Using Measured Natural Frequencies," IEEE Transactions on Antennas and Propagation, vol. 58, no. 2, pp. 620-623, February 2010.
  108. Raoul Ouedraogo, Edward Rothwell, Alejandro Diaz, Shih-Yuan Chen, Andrew Temme, and Kazuko Fuchi, "In Situ Optimization of Metamaterial-Inspired Loop Antennas," IEEE Antennas and Wireless Propagation Letters, vol. 9, pp. 75-78, March 4, 2010.
  109. D.-J. Lee, J.-J. Kang, N.-W. Kang, W.-S. Kim, W.-S. Park, E.J. Rothwell, and J.F. Whitaker, "Photonic-assisted reactive-near-field analysis of a 3 dB-tapered Ka-band array antenna," J. Korean Institute of Electromagnetic Engineering and Science, vol. 10, pp. 18-24, Mar. 2010.
  110. Raoul O. Ouedraogo, Edward J. Rothwell, Shih-Yuan Chen, and Brian Greetis, "A Self-Tuning Microwave Resonator," IEEE Transactions on Microwave Theory and Techniques, vol. 58, no. 4, pp. 894-902, April 2010.
  111. Gary D. Dester, Edward J. Rothwell, and Michael J. Havrilla, "An Extrapolation Method for Improving the Accuracy of Material Characterization using Waveguide Probes," IEEE Microwave and Wireless Components Letters, vol. 20, no. 5, pp. 298-300, May 2010.
  112. Edward Rothwell, Raenita Fenner and Benjamin Crowgey, "A Simple Time-Domain Method to Characterize a Conductor-Backed Low-Conductivity Material," Studies in Applied Electromagnetics and Mechanics (Electromagnetic Nondestructive Evaluation XIII) vol. 33, pp. 53-60, 2010.
  113. Michael Archbold, Edward J. Rothwell, Leo C. Kempel, and Stephen W. Schneider, "Beam Steering of a Half-Width Microstrip Leaky-wave Antenna Using Edge Loading," IEEE Antennas and Wireless Propagation Letters, vol. 9, pp. 203-206, April 5, 2010.
  114. E.J. Rothwell, M.J. Havrilla, and Sean Dorey, "An Improved Physical-Optics Formulation for Scattering by a Thin Resistive Strip," Electromagnetics, vol. 30, no. 5, pp. 403-418, June 2010.
  115. Gregory L. Charvat, Leo C. Kempel, Edward J. Rothwell, Chris Coleman, and Eric L. Mokole, "A Through-Dielectric Radar Imaging System," IEEE Transactions on Antennas and Propagation, vol. 58, no. 8, pp. 2594-2603, August 2010.
  116. Kazuko Fuchi, Alejandro R. Diaz, Edward Rothwell, Raoul Ouedraogo, Andrew Temme, "Topology Optimization of Periodic Layouts of Dielectric Materials," Structural and Multidisciplinary Optimization, vol. 42, no. 4, pp. 483-493, October 2010.
  117. Gary D. Dester, Edward J. Rothwell, Michael J. Havrilla, and Milo Hyde, "A Two-Layer Method for the Electromagnetic Characterization of Conductor-Backed Absorbing Materials Using an Open-Ended Waveguide Probe," Progress in Electromagnetic Research B, Vol. 26, pp. 1-21, 2010.
  118. Benajmin R. Crowgey, Edward J. Rothwell, Leo C. Kempel, and Eric L. Mokole, "Comparison of UWB Short-Pulse and Stepped-Frequency Radar Systems for Imaging Though Barriers," Progress in Electromagnetics Research (PIER), PIER 110, page 403-419, 2010.
  119. Raoul O. Ouedraogo, Edward J. Rothwell, Shih-Yuan Chen, and Andrew Temme, “A Self-Tuning Electromagnetic Shutter,” IEEE Transactions on Antennas and Propagation, vol. 59, no. 2, pp. 513-519, February 2011.
  120. Raoul O. Ouedraogo, Edward J. Rothwell and Brian J. Greetis, “A Reconfigurable Microstrip Leaky-wave Antenna with a Broadly Steerable Beam,” IEEE Transactions on Antennas and Propagation, vol. 59, no. 8, pp. 3080-3083, August 2011.
  121. Jose A. Hejase, Edward J. Rothwell, and Premjeet Chahal, “A Self-Calibrating Technique for THz Time-Domain Material Parameter Extraction,” Journal of the Optical Society of America A, vol. 28, no. 12, pp. 2561-2567, December 2011.
  122. Milo W. Hyde IV, Michael J. Havrilla, Andrew E. Bogle and Edward J. Rothwell, “Nondestructive Material Characterization of a Free-Space-Backed Magnetic Material Using a Dual-Waveguide Probe,” IEEE Transactions on Antennas and Propagation, vol. 60, no. 2, pp. 1009-1019, February 2012.
  123. Raoul Ouedraogo, Edward Rothwell, Alejandro Diaz, Kazuko Fuchi, and Andrew Temme, “Miniaturization of Patch Antennas Using a Metamaterial-Inspired Technique,” IEEE Transactions on Antennas and Propagation, vol. 60, no.5, pages 2175-2182, 2012.
  124. Gary D. Dester, Edward J. Rothwell, and Michael J. Havrilla, “Two-Iris Method for the Electromagnetic Characterization of Conductor-Backed Absorbing Materials Using an Open-Ended Waveguide Probe,” IEEE Transactions on Instrumentation and Measurement, vol. 61, no. 4, pp. 1037-1044, April 2012.
  125. Chad Gardner, Edward J. Rothwell, Leo C. Kempel, Jose Hejase, Raoul Ouedraogo, and Stephen W. Schneider, “Effect of Curvature on the Performance of a Cylindrically-Conformal Cavity-Backed E-patch Antenna,” Applied Computational Electromagnetics Society (ACES) Journal, vol. 26, no. 11, pp. 930-936, November 2011.
  126. Fenner, R. A., E. J. Rothwell, and L. L. Frasch, “A comprehensive analysis of free-space and guided-wave techniques for extracting the permeability and permittivity of materials using reflection-only measurements,” Radio Science, 47, RS1004, pp. 1004-1016, January 2012. doi:10.1029/2011RS004755.
  127. Yen-Shang Chen, Yao-Chia Chan, Hsueh-Jyh Li, Edward J. Rothwell, Raoul O. Ouedraogo, and Shih-Yuan Chen, “A Self-Structuring Electromagnetic Scatterer,” IEEE Transactions on Antennas and Propagation, vol. 60, no. 4, pp. 1931-1941, April 2012.
  128. Kazuko Fuchi, A. R. Diaz, Edward Rothwell, Raoul Ouedraogo, and Junyan Tang, "An Origami Tunable Metamaterial," Journal of Applied Physics, 111, 084905 (2012); doi: 10.1063/1.4704375. Published online 19 April 2012.
  129. K. Fuchi, J. Tang, B. Crowgey, A.R. Diaz, E.J. Rothwell, and R.O. Ouedraogo, “Origami Tunable Frequency Selective Surfaces,” IEEE Antennas and Wireless Propagation Letters, vol. 11, pp. 473-475, 2012.
  130. Milo W. Hyde IV, Michael J. Havrilla, Andrew E. Bogle, Edward J. Rothwell, Gary D. Dester, “An Improved Two-Layer Method for Nondestructively Characterizing Magnetic Sheet Materials Using a Single Rectangular Waveguide Probe,” Electromagnetics, vol. 32, pp. 411-425, 2012.
  131. Gregory L. Charvat, Leo C. Kempel, Edward J. Rothwell, Christopher M. Coleman, and Eric L. Mokole, “A Through-Dielectric Ultrawideband (UWB) Switched-Antenna-Array Radar Imaging System,” IEEE Transactions on Antennas and Propagation, vol. 60, no. 11, pp. 5495-5500, November 2012.
  132. Edward J. Rothwell, Andrew Temme, and Lydell L. Frasch, “Characterization of conductor-backed MagRAM layer using a reflection measurement,” Electronics Letters, vol. 48, no. 18, pp. 1131-1133, 30th August 2012.
  133. Edward J. Rothwell and Michael J. Cloud, “Automatic Error Analysis Using Intervals,” IEEE Transactions on Education, vol. 55, no. 1, pp. 9-15, February 2012.
  134. Raoul Ouedraogo, Edward Rothwell, Alejandro Diaz, and Kazuko Fuchi, “Waveguide Bandstop Filter Design Using Optimized Pixelated Inserts,” Microwave and Optical Technology Letters, vol. 5, no. 1, pp. 141-143, January 2013.
  135. Benjamin Crowgey, Ozgur Tuncer, Junyan Tang, Edward Rothwell, Balasubramaniam Shanker, Leo Kempel, and Michael Havrilla, “Characterization of Biaxial Anisotropic Material Using a Reduced Aperture Waveguide,” IEEE Transactions on Instrumentation and Measurement, vol. 62, no. 10, pp. 2739-2750, October 2013.
  136. Edward Rothwell and Korede Akinlabi-Oladimeji, “Effects of surface curvature and beam defocusing on the characterization of conductor-backed absorbing materials using a free-space system,” Journal of Electromagnetic Waves and Applications, vol. 27, no. 12, pp. 2013.
  137. Jose A. Hejase, Edward J. Rothwell, and Premjeet Chahal, “A Multiple Angle Method for THz Time-Domain Material Characterization,” IEEE Transactions on Terahertz Science and Technology, vol. 3, no. 5, pp. 656-665, September 2013.
  138. Ayrat Dimiev, Dante Zakhidov, Bostjan Genorio, Korede Oladimeji, Benjamin Crowgey, Leo Kempel, Edward J. Rothwell, and James M. Tour, “Permittivity of Dielectric Composite Materials Comprising Graphene Nanoribbons. The Effect of Nanostructure,” ACS Applied Materials & Interfaces, vol. 5, no. 15, pp. 7567-7573, July 15, 2013.
  139. R.A. Fenner, E.J. Rothwell, and L.L. Frasch, “Application of Interval Analysis on Error Analysis of Reflection-Only Material Characterization Methods,” Progress in Electromagnetics Research (PIER), vol. 142, pp. 231-241, 2013.
  140. Junyan Tang, Benjamin Crowgey, Ozgur Tuncer, Edward Rothwell, Balasubramaniam Shanker, Leo Kempel, and Michael Havrilla, “Characterization of Biaxial Materials Using a Partially-Filled Rectangular Waveguide,” Applied Computational Electromagnetics Society (ACES) Journal, vol. 28, no. 12, pp. 1134-1144, December 2013.
  141. Jeong Joon Kim, Jeong Jin Kang, Edward J. Rothwell, and Ki Young Lee, “Spatio-temporal Query Processing Systems for Ubiquitous Environments,” International Journal of Internet, Broadcasting, and Communications, vol. 5, no. 2, pp. 1-4, 2013.
  142. M. Havrilla, A. Bogle, M. Hyde and E. Rothwell, “EM material characterization of conductor backed media using a NDE microstrip probe,” in Studies in Applied Electromagnetics and Mechanics: Electromagnetic Nondestructive Evaluation (XVI), vol. 38, pp. 210-218, Jan 2014. DOI: 10.3233/978-1-61499-354-4-210.
  143. Sung-Jae Lee, In-Sik Choi, Edward J. Rothwell, and Andrew K. Temme, “Determination of optimum bistatic angle for radar target identification,” Journal of Electromagnetic Waves and Applications, Vol. 28, No. 5, pp. 551-562, 2014. DOI: 10.1080/09205071.2013.879049
  144. Seung-Jae Lee, In-Sik Choi, Byunglae Cho, Edward J. Rothwell, and Andrew K. Temme, “Performance Enhancement of Target Recognition Using Feature Vector Fusion of Monostatic and Bistatic Radar,” Progress in Electromagnetics Research (PIER), vol. 144, pp. 291-302, 2014.
  145. Junyan Tang, Raoul O. Ouedraogo, Edward J. Rothwell, Alejandro R. Diaz, and Kazuko Fuchi, “A Continuously Tunable Miniaturized Patch Antenna,” IEEE Antennas and Wireless Propagation Letters, pp. 1080-1083, June 5, 2014.
  146. Raoul Ouedraogo, Junyan Tang, Kazuko Fuchi, Edward Rothwell, Alejandro Diaz, and Prem Chahal, “A Tunable Dual-Band Miniaturized Monopole Antenna for Compact Wireless Devices,” IEEE Antennas and Wireless Propagation Letters, Vol. 13, No. 1., pp. 1247-1250, June 24, 2014.
  147. Edward J. Rothwell and Raoul O. Ouedraogo, “Antenna Miniaturization: Definitions, Concepts and a Review with Emphasis on Metamaterials,” Journal of Electromagnetic Waves and Applications, vol. 28, no. 17, pp. 2089-2123, 2014. (Invited paper).
  148. Benjamin R. Crowgey, Junyan Tang, Edward J. Rothwell, B. Shanker, and Leo C. Kempel “A Waveguide Verification Standard Design Procedure for the Microwave Characterization of Magnetic Materials,” Progress in Electromagnetics Research (PIER), vol. 150, pp. 29-40, 2014.
  149. Joshua C. Myers, Premjeet Chahal, Edward J. Rothwell, and Leo Kempel, “A Multi-Layered, Metamaterial-Inspired, Miniaturized Dynamically-Tunable Antenna,” IEEE Transactions on Antennas and Propagation, to appear.
  150. Byung-Lae Cho, Insik Choi and Edward J. Rothwell, "Enhanced ISAR Imaging Method using Back-Projection and SVA Algorithm," Microwave and Optical Technology Letters, vol. 57, no. 4, pp. 993-997, 2015.