DocumentCode
1497903
Title
Quasi-circulator for effective cancellation of transmitter leakage signals in monostatic six-port radar
Author
Yang, Jong-Ryul ; Kim, Dong-Won ; Hong, Seong-Kwan
Author_Institution
Sch. of Electr. Eng. & Comput. Sci. (EECS), Korea Adv. Inst. of Sci. & Technol. (KAIST), Daejeon, South Korea
Volume
45
Issue
21
fYear
2009
Firstpage
1093
Lastpage
1095
Abstract
A quasi-circulator, composed of two branch-line couplers and an asymmetric power combiner, is proposed to effectively cancel the transmitter leakage signals in a monostatic six-port radar. The effective isolation is improved by 12.2 dB at 24 GHz. With the proposed quasi-circulator, the maximum detectable range of the six-port radar is improved by 167 , compared with that of the six-port radar with a conventional branch-line coupler.
Keywords
power combiners; radar signal processing; asymmetric power combiner; branch-line couplers; effective cancellation; monostatic six-port radar; quasi-circulator; transmitter leakage signals;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el.2009.9062
Filename
5284469
Link To Document