KEYWORDS: Pulse filters, Convex optimization, Electronic filtering, Signal to noise ratio, Signal attenuation, Radar, MATLAB, Frequency modulation, Signal processing, Detection theory
In this paper, a newly-designed method of ultra-low sidelobe pulse compression filter for linear frequency modulation (LFM) signal is proposed. In the conventional processing of pulse compression, there exists the problem that the ratio of mainlobe to sidelobe is too low. In order to solve this problem, the convex optimization method is used to design the coefficient of the pulse compression filter, and the ratio of mainlobe to sidelobe of the pulse compression output could achieve 60dB or more to be applied in specific engineering applications.
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