有关扩频通信系统的MATLAB程序----直接序列扩频系统，PN序列的产生。,On the spread spectrum communication system in MATLAB procedures---- Direct Sequence Spread Spectrum Systems, PN sequence generation.

在一段音频序列中，利用混沌序列嵌入图像水印-In an audio sequence, the use of chaotic sequences embedded in image watermarking