William T. Joines

William T. Joines

Professor of Electrical and Computer Engineering

William T. Joines earned the BS degree from North Carolina State University, MS, and PhD degrees from Duke University (all in electrical engineering) in 1959, 1961, and 1964, respectively. After high school and before college he served for four years in the United States Air Force (1951-1955) as an airborne radar technician. From 1959 to 1966 he was a Member of the Technical Staff of Bell Telephone Laboratories doing research and development of missile tracking and guidance radar. He joined the Electrical Engineering Department of Duke University as an Assistant Professor in 1966. He was appointed as an Associate Professor in 1968 and a Full Professor in 1979. His current research interests include electromagnetic field and wave interactions with materials and structures. He is a member of the Tau Beta Pi, Eta Kappa Nu, Phi Kappa Phi, and Sigma Xi, honor societies. He is a Life Fellow of the IEEE, a recent recipient of the Outstanding Engineering Educator Award from the IEEE, and the Scientific and Technical Achievement Award presented by the Environmental Protection Agency. He has supervised more than 60 graduate students in their thesis and dissertation research leading to their MS and PhD degrees.

Appointments and Affiliations

  • Professor of Electrical and Computer Engineering

Contact Information

  • Office Location: 3467 CIEMAS Engineering Bldg, Durham, NC 27708
  • Office Phone: (919) 660-5281
  • Email Address: william.joines@duke.edu


  • Ph.D. Duke University, 1964
  • M.S.E.E. Duke University, 1961
  • B.S.E.E. North Carolina State University, 1959



Awards, Honors, and Distinctions

  • Life Fellow of IEEE. Institute for Electrical and Electronics Engineers. 2008

Courses Taught

  • ECE 391: Undergraduate Research in Electrical and Computer Engineering
  • ECE 392: Undergraduate Research in Electrical and Computer Engineering
  • ECE 572: Electromagnetic Communication Systems
  • ECE 575: Microwave Electronic Circuits
  • ECE 891: Internship

Representative Publications

  • Xu, K-D; Zhang, Y-H; Li, X-S; Ai, J; Fan, Y; Joines, WT, A compact stub-loaded composite right/left-handed resonator and its application in bandpass filters, Microwave and Optical Technology Letters, vol 57 no. 9 (2015), pp. 1999-2002 [10.1002/mop.29258] [abs].
  • Joines, WT; Zhang, Y; Liu, QH; Xu, K; Fan, Y, Microstrip dual-mode bandpass filter design using pie-section truncated semi-circle and quarter-circle resonators, IET Microwaves, Antennas and Propagation, vol 9 no. 3 (2015), pp. 224-229 [10.1049/iet-map.2014.0170] [abs].
  • Xu, KD; Zhang, YH; Spiegel, RJ; Fan, Y; Joines, WT; Liu, QH, Design of a Stub-Loaded Ring-Resonator Slot for Antenna Applications, IEEE Transactions on Antennas and Propagation, vol 63 no. 2 (2015), pp. 517-524 [10.1109/TAP.2014.2382646] [abs].
  • Xu, K; Zhang, Y; Lewei, J; Joines, WT; Huo, Q, Miniaturized notch-band UWB bandpass filters using interdigital-coupled feed-line structure, Microwave and Optical Technology Letters, vol 56 no. 10 (2014), pp. 2215-2217 [10.1002/mop.28562] [abs].
  • Xu, K-D; Zhang, Y-H; Li, JL-W; Joines, WT; Liu, QH, Compact ultra-wideband bandpass filter using quad-T-stub-loaded ring structure, Microwave and Optical Technology Letters, vol 56 no. 9 (2014), pp. 1988-1991 [10.1002/mop.28508] [abs].