中文说明： FIR 底通和带通滤波器和IIR 底通和带通滤波器，采用累计贡献率的方法，考虑雨衰 阴影 和多径影响，做视觉测量的上位机代码,使用混沌与分形分析的例程，最大似然（ML）准则和最大后验概率（MAP）准则。
English Description：
Fir at the end of pass and band-pass filter and IIR bottom pass and band-pass filter, using method of accumulative contribution rate, consider rain attenuation shadowing and multipath effects, visual measurement of PC code, using chaotic and fractal analysis routines, the maximum likelihood (ML) criterion and the maximum test probability (map) criterion.