直接序列扩频的matlab仿真，经过调试，可以直接使用-spread frenquncy

本程序是一个直接序列扩频仿真，开发环境时在matlab/simulink下进行的，程序简单易懂- This program is a direct sequence spread spectrum simulation, the development environment in matlab/simulink conducted the program easy to understand

用VHDL实现基于Xilinx的FPGA上的直接序列扩频通信，并且附带了matlab仿真程序。-VHDL implementation based on direct sequence spread spectrum communication on Xilinx' s FPGA, and comes with matlab simulation program.