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chengxu9.rar
- 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.
FFT
- matlab直接序列扩频通信系统，FFT变换抑制窄带干扰技术-Matlab direct sequence spread spectrum communication system, FFT transform inhibit narrowband interference technology
cdma
- 编写了MATLAB程序生产和扩频码进行仿真，仿真程序从发送方完成通道的接收端，得出在不同的扩频码，在不同的信噪比即误码率的图形比较直接序列扩频通信系统原理，改善系统性能的度-Written MATLAB program to produce and direct sequence spread spectrum communication system principle of spreading codes for simulation, emulation program to comple
MATLBDDS
- 【matlab编程代做】BPSK调制解调直接序列扩频系统源代码(白噪声及瑞利衰落误码率比较) -[Do] matlab programming generation direct sequence spread spectrum BPSK modulation and demodulation system source code (white noise and Rayleigh fading BER comparison)
直接序列扩频水印的嵌入与提取
- 实现直接序列扩频水印的嵌入与提取。基于待嵌入消息生成二进制水印序列,生成扩频码，用消息序列调制生成水印序列。依次处理灰度图像的每一个载体图像像素，根据相应位置 水印序列完成嵌入修改。(Realize the embedding and extraction of direct sequence spread spectrum watermark. The binary watermark sequence is generated based on the message to be embed