FIR filter and two-channel filter Banks are widely used and their optimisation design has received substantial attention recently.

FIR滤波器及两通道滤波器组的广泛应用，使其优化设计研究备受关注。

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Further study is made on target velocity measurement of radar, double-channel filter method and another one which based on chirp up and chirp down signal are discussed.

对雷达测速方法作了较为深入的研究，讨论了双通道测速法和正负斜率线性调频脉冲测速法。

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In order to improve the capability of Synthetic Aperture Radar (SAR) speckle reduction, the speckle reduction model of a 2d two-channel filter bank multiscale structure is presented.

为了提高合成孔径雷达(SAR)图像相干斑抑制能力，建立了二维双通道滤波器组多级结构的相干斑抑制模型。

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