语音处理，改变声调、语速等，matlab代码

扩频通信系统实用仿真技术一书的所有源代码,包括 信道编码译码(有LDPC码),扩频调制,载波调制,PN码同步,窄带干扰抑制,直扩频系统仿真实列,跳频系统仿真实例等(spread spectrum system simulate technology)

提供了几种利用jakes模型建立瑞利信道的matlab代码。(Provides several jakes model building using Rayleigh channel matlab code.)

微软RIL白皮书。介绍了微软RIL(Radio Interface Layer)的架构和开发所必须具备的知识，包括简介、RIL Modem接口、开发环境、平台实现、测试，以及相关信息(Microsoft White Paper RIL. It introduced Microsoft RIL (Radio Interface Layer) architecture and the necessary knowledge for developer, including the Introduction, RIL Modem interface, development environment, platform, testing, and related information)

说明：  数据结构（耿国华版）课本源码，课本中的实例程序等。。。(the code of the book.)

利用MATLAB/simulink实现4ASK调制(Using matlab simulink for simulation modulation 4ASk)

The following file contains three types of digital communications sampling. Contains ideal sampling, natural sampling and ZOH sampling, operate only for one single frequency signal, can be modified to add multiple signals with a base frequency. Greetings, I hope it helps.

HART协议解析，非常完整，定能加快研发进度。(HART agreements, some of the information, in the hope that everyone has to help)

Adaptive Radio Resource Management for GSM using Neural Networks and Genetic Algorithms Ken Murray and Dirk Pesch Adaptive Wireless Systems Group

说明：  LDPC码的mackay构造法，PEG构造法，QC-LDPC构造，SPA译码算法(LDPC codes are constructed by Mackay, PEG, QC-LDPC and Spa decoding algorithms)

说明：  使用python基于numpy编写函数和程序，完整实现了SC-FDE链路的仿真，包括调制、成型滤波、信道、同步、频偏补偿、均衡、解调。(Full realization of SC-FDE link simulation using python with functions based on numpy.)