Abstract
The joint design of transmit signals and receive filters for polarimetric radars is investigated. For an extended target with different polarimetric responses, the detection performance can be improved by leveraging polarization diversity of the transmit waveform, i.e., matching the horizontal and vertical polarization signals to counterparts of the target response. Besides, to meet some system requirements, each polarization signal is expected to approach some reference signal with good properties. Hence, we aim to maximize the signal-to-interference-plus-noise ratio (SINR) while maintaining a closeness to a particular reference waveform, as well as an energy constraint. The resulting problem is solved based on the majorization-minimization (MM) method. Experimental results demonstrate the effectiveness of the proposed algorithm, the advantages of polarization diversity and local design.
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