中文说明：ask、psk、fsk、dpsk各种调制方式，使用matlab编程仿真实现。资源为各种调制方式的m文件（matlab语言）实现，使用的软件是matlab。用在数字通信的调制与解调过程中。
English Description：
Ask, PSK, FSK, DPSK various modulation methods, using MATLAB programming simulation. Resources for a variety of modulation mode m file (MATLAB language) to achieve, the use of the software is matlab. In the process of modulation and demodulation of digital communication.