Since the performance of cyclostationarity-based array processing methods suffers from severe degradation if there is a small mismatch in the cycle frequency of the signals of interest.

由于基于循环平稳的阵列处理方法利用了不同信号的循环频率不同这一时域特征，将多个信号在循环频率域进行分离。

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Then, it researched some main methods of nonuniformity correction and detecting approach and compensation of blind-pixel of focal plane array, and the techniques of infrared image processing.

其次研究了几种主要的非均匀校正方法以及焦平面阵列元的盲元检测和补偿的方法，对红外图像处理技术做了研究。

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The spectrum analysis of Frequency-wavenumber(F-K)is one of the traditional methods of data processing for seismic array.

频率-波数（F- K）谱分析是地震台阵数据处理基本方法之一。

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