Anti-Jamming Technology of SAR Seeker for Forward Squint of Aircaft
Journal of Physics Conference Series(2019)
Abstract
The SAR seeker has the capability of detecting all day long and all-weather. The imaging guidance of SAR can revise the error of inertial navigation, greatly improved the precision of the aircraft. However, the SAR seeker is vulnerable to interference from the other side, which affects imaging and guidance capability. In this paper, the basic principle, model and jamming effect of common noise, FM jamming and pulse jamming are given on the basis of introducing the working principle of SAR seeker. On this basis, this paper focuses on the anti-noise and anti-pulse jamming technology and interference principle of the SAR seeker with forward squint. After analysis, the anti-jamming principle is feasible, and it has the engineering application ability, and can be applied to the aircraft. In addition, from the point of view of the overall design of aircraft, some anti-jamming ideas of SAR seeker are given.
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Key words
sar seeker,forward squint,anti-jamming
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