Abstract
The acquisition and utilization of polarization information is an open topic because polarization plays a significant role in many fields, such as radar target detection, classification, recognition, synthetic aperture radar (SAR) imaging, anti-jamming, etc. Inspired by the bat sound waveform and combined with the properties of the stepped linear frequency modulation (SLFM) signal, in this article, a novel polarization waveform, namely, simultaneous SLFM (SSLFM), which can be used for small airborne and spaceborne polarimetric SAR (PolSAR) platform, is proposed. Moreover, a method based on the SSLFM signal is proposed to realize simultaneous polarization measurement and double high-resolution imaging. It is demonstrated that the method can better make use of the polarization information of echoes and obtain a better imaging effect. The feasibility of the proposed method is verified by simulation experiments.
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