Efficient MTD processing method based on conjugate symmetric structure

The invention relates to an efficient MTD processing method based on a conjugate symmetric structure, and belongs to the field of radar signal processing, and the method comprises the steps: calculating a pilot frequency vector corresponding to each Doppler frequency, and calculating a windowing equ...

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Bibliographische Detailangaben
Hauptverfasser: ZHANG HONGPING, JIANG YILIN, ZHOU QIANG, ZHANG SHAOHUA, ZHU YUJUN, LONG XINGWANG, WANG SHANCHUAN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to an efficient MTD processing method based on a conjugate symmetric structure, and belongs to the field of radar signal processing, and the method comprises the steps: calculating a pilot frequency vector corresponding to each Doppler frequency, and calculating a windowing equivalent filter coefficient; according to the pilot frequency vector, a conjugate complex number symmetric pilot frequency vector matrix is constructed by using frequency symmetry, and a conjugate complex number symmetric FIR digital filter coefficient matrix is obtained; the interference covariance matrix R is utilized to invert and match clutters, and correction of the FIR filtering weight coefficient is completed; a memory block pipeline architecture is carried out by utilizing a Harvard structure characteristic improved by a DSP (Digital Signal Processor), and an FIR filter operation step is reconstructed according to a conjugate complex number symmetry characteristic of an FIR filter, so that the calculation am