The method utilizes an AR model to approach the frequency response of the clutter spectrum "inverted" ideal band-pass filter, and then implements the design of optimal FIR filter.
该方法利用AR模型逼近杂波谱“倒置”理想带通滤波器的频率响应，实现了最优FIR滤波器的设计。
The AR spectrum is smoothness and can give exact characteristic frequency.
时序建模作出的AR谱具有谱线平滑，特征频率定位准确的优点。
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