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In this paper, cross-correlation processing with interference mitigating ability is proposed for passive bistatic radar. Direct signal interference from an illuminator-of-opportunity and stationary clutter are simultaneously cancelled in frequency domain during FFT (Fast Fourier Transform)-based cross-correlation processing. Due to the frequency domain processing, the proposed method can extend to...
In this paper, a pulse compression with complex valued window, termed PCX, is proposed to achieve low range sidelobe, low mismatch loss and small broadening factor simultaneously. By modeling distributed sidelobe clutter with steering vectors, a complex-valued window minimizing the distributed clutter power is derived. Proposed PCX shows superior performance against Taylor windowed pulse compression...
In this paper, the null constrained coherent integration (NCCI) is proposed to improve detectability of the slow moving or maneuvering target for pulse Doppler radar. The projection matrix for clutter mitigation is predetermined based on clutter spectrum shape and the required clutter attenuation. In the real time processing, received clutter is mitigated by applying the projection matrix, then a...
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