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Displaying 1-7 of 7 results for author "Liu, Kefeng."
Antenna pattern control using impedance surfaces [microform] : semiannual progress report, March 16, 1992 - September 15, 1992 / Constantine A. Balanis and Kefeng Liu ; prepared by Telecommunications Research Center, College of Engineering and Applied Science, Arizona State University.
- Text
- Tempe, AZ : Arizona State University, TRC ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1992]
- 1992
Antenna pattern control using impedance surfaces [microform] : semiannual progress report, September 16, 1990 - March 15, 1991 / Constantine A. Balanis and Kefeng Liu.
- Text
- Tempe, Ariz. : Telecommunication Research Center, Dept. of Electrical Engineering, Arizona State University ; Hampton, VA : National Aeronautics and Space Administration, Joint Research Program Office, Langley Research Center, [1991]
- 1991
Antenna pattern control using impedance surfaces [microform] : final report, September 16, 1990 - September 15, 1993 / by Constantine A. Balanis, Kefeng Liu and Pansyiotis A. Tirkas ; prepared by Telecommunications Research Center, College of Engineering and Applied Science, Arizona State University.
- Text
- Tempe, AZ : Arizona State University, TRC ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1993]
- 1993
Antenna pattern control using impedance surfaces [microform] : semiannual progress report (September 16, 1992-March 15, 1993) / by Constantine A. Balanis and Kefeng Liu.
- Text
- [Tempe, AZ] : Arizona State University, TRC ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1993]
- 1993
Nonprincipal plane scattering of flat plates and pattern control of horn antennas [microform] : semiannual report / part A, Constantine A. Balanis and Lesley A. Polka ; part B, Constantine A. Balanis and Kefeng Liu.
- Text
- Tempe, AZ : Dept. of Electrical and Computer Engineering, Arizona State University ; Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, 1989]
- 1989
Antenna pattern control using impedance surfaces [microform] : semiannual progress report, March 16, 1991-September 15, 1991 / Constantine A. Balanis and Kefeng Liu.
- Text
- Tempe, Ariz. : Telecommunication Research Center, Dept. of Electrical Engineering, Arizona State University ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1991]
- 1991
Antenna pattern control using impedance surfaces [microform] : semifinal progress report : September 16, 1991 - March 15, 1992 / by Constantine A. Balanis and Kefeng Liu.
- Text
- Hampton, VA : National Aeronautics and Space Administration, AVRADA Joint Research Program Office, Langley Research Center ; Springfield, Va. : National Technical Information Service, distributor, 1992]
- 1992
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