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。

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At high frequency band, the frequency response error of a peak detector is the high frequency resonance error mainly produced by the distributive parameter.

峰值检波器的频响误差在高频段主要是由分布参数产生的高频谐振误差。

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Finally, it gets frequency band which should be avoided and provides target variables or state variables for the optimum design of gantry crane by the harmonic response analysis for gantry crane.

通过对龙门起重机进行谐态分析，得出应该避免的固有频率段，并且为龙门起重机的优化设计提供了目标变量或状态变量。

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