操作短信Modem发送短信的源码。包含例子工程和库文件工作。-Operating SMS Modem to send SMS source code. Contains examples of engineering work and library files.

水下通信环境下，4FSK调制解调代码及bin文件,-4FSK modem code and the bin file

基于matlab的多进制STBC码的仿真，程序每个文件对应一个调制进制的仿真结果，也包括了不同Alamouti方案的比较。-matlabbased N-nary modem STBC code simulation。each file include one modem，like QPSK, and compare different Alamouti schemas