FIR filter and two-channelfilter 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。
2
Further study is made on target velocity measurement of radar, double-channelfilter 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。
3
In order to improve the capability of Synthetic Aperture Radar (SAR) speckle reduction, the speckle reduction model of a 2d two-channelfilter bank multiscale structure is presented.