External Fields test method for the GNSS Anti-jamming Antenna Pattern
- Paper number
IAC-17,B2,3,7,x41202
- Author
Dr. Peng Lyu, Tianjin 764 Communication Navigation Technology Co., Ltd., China
- Coauthor
Mr. Yong Xie, Tianjin 764 Communication Navigation Technology Co., Ltd., China
- Coauthor
Dr. Dayong Zhao, Tianjin 764 Communication Navigation Technology Co., Ltd., China
- Coauthor
Mr. Shupeng Dong, Tianjin 764 Communication Navigation Technology Co., Ltd., China
- Year
2017
- Abstract
Military airborne global navigation satellite system（GNSS）receiver was generally equipped with the anti-jamming antenna. The GNSS anti-jamming antenna usually adopts adaptive zero-set technology. Anti-jamming antenna with four elements can theoretically form three depressions in the antenna patter. Anti-jamming antenna can effectively improve the GNSS receiver anti-jamming capability, thus greatly improve the navigation ability and battlefield survivability of the military aircraft with anti-jamming antenna in complex electromagnetic environment. In the actual testing, the measured performance of the anti-jamming antenna is often far from the theoretical simulation performance. The general GNSS anti-jamming measurements in the microwave anechoic chamber is very limited on several test scenes, and the results can not show the actual performance of anti-jamming antenna. In this paper, a new external field test method of the GNSS anti-jamming antenna pattern was proposed. Firstly, the key factors affecting the anti-jamming antenna performance was analyzed. And then, a test method of the GNSS anti-jamming antenna pattern was proposed. In the external field, a rotor unmanned aerial vehicle(UAV) was used to send the GNSS signal. And the varying of the carrier to noise ratio(C/N0) before and after the jamming source is opened was analyzed to syntheze the GNSS anti-jamming antenna pattern. Finally, a large number of external field experiments verified the test method of the GNSS anti-jamming antenna pattern.
- Abstract document
- Manuscript document
IAC-17,B2,3,7,x41202.pdf (🔒 authorized access only).
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