DocumentCode
3581587
Title
Study on Radar Cross Section for the Plasma Antenna in UHF Band
Author
Takahagi, Kazuhiro ; Kitagawa, Shinya ; Naito, Teruki ; Ogino, Hayato
Author_Institution
Electronic Systems Research Center, TRDI, Ministry of Defense, Japan
fYear
2014
Firstpage
974
Lastpage
976
Abstract
Plasma antennas are expected to decrease mutual interference and radar cross section (RCS) in close antennas. Additionally, these antennas are insensitive to radiation and have noise immunity compared with semiconductor devises. In this paper, a monopole-antenna at 300MHz of UHF-band was designed and fabricated by injecting Ar-Hg gas into a folded tube to excite the plasma. Results show that the measured gain and efficiency of plasma antenna obtained −2.97dBi and −6.85dB respectively, at 11.4 GHz as a plasma frequency. Characteristics of RCS was analyzed by measurement and simulation. The switched-off plasma antenna achieved a decrease of −7dB in RCS at 5GHz in comparison with switched-on plasma.
Keywords
Antennas; Companies; Electromagnetics; Plasmas; Three-dimensional displays; Plasma antennas; Radar cross section; antenna gain;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Conference (APMC), 2014 Asia-Pacific
Type
conf
Filename
7067596
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