雷达信号处理中，利用ECA_B算法，实现直达波及多径的抑制-In radar signal processing, the ECA_B algorithm is utilized to realize the suppression of the direct spread and multipath.

一种地震或地质雷达方向上波动方程在介质中传播发生反射与透射模拟的程序，简单易懂，适用于初学者。-Direction of an earthquake or geological radar wave equation in the medium dissemination on the reflection and transmission simulation program, simple, suitable for beginners.

The use of chaos in signal processing and telecommunication in the last few years originates several results, especially in spread spectrum system, cryptography and watermarking. The aim of this paper is to exploit the features