Power electronic equipment communication protocol, MODBUS, describes in detail

源码中包括了QPSK的调制与解调，以及QPSK信号比特误码率的计算-Source code included in the QPSK modulation and demodulation, as well as the QPSK signal bit error rate calculation

ppi协议分析，整理了ppi协议的读写格式，强制IO，一次读多条数据等内容-ppi protol

LDPC码的硬判决译码算法，即BF算法。其为C语言编写。-LDPC code of the hard-decision decoding algorithm, that algorithm BF. For the C language.

什么是数字电视.zip 什么是数字电视-What is digital TV. What is the zip Digital TV

目前有许多MP3手机自动产生的播放列表只能播放固定目录中的MP3文件，此程序可以让您播放手机中任何目录下的MP3文件，有运行程序-There are many MP3 phones automatically generated playlists can only be fixed to play MP3 files directory, this program allows you to play any of the phone directory of MP3 files, have run the program

详细的基于51 单片机的rfid 卡读写驱动，适用于S50非接触式IC卡性能简介（M1），  卡片的电气部分只由一个天线和ASIC组成。 天线：卡片的天线是只有几组绕线的线圈，很适于封装到IS0卡片中。 ASIC：卡片的ASIC由一个高速（106KB波特率）的RF接口，一个控制单元和一个      

主要是通过应用程序对skype进行进程间常用功能的控制（如呼叫，挂接电话等），并且整合了PSTN电话功能（需相应的硬件）．实现了网络电话与传统的pstn电话与一体．-Mainly through the application of the skype feature commonly used to carry out inter-process control (such as call, articulated phone, etc.), and the integration of PSTN telephony functions (subject to the appropriate hardware). Realize the network with the traditional PSTN telephone call with one.

进程通信管道模拟，上课时的作业留下的程序，经过老师修改课执行-process communication channel simulation class left the operating procedures are followed, the implementation of the teachers change classes

串口通讯，用于读取仪表的数据，其他的功能请读者自己实现-Serial communications, instrumentation used to read data, the function of other readers achieve their own

本程序实现了DFE下的rake接收机，程序简单易懂，极具逻辑性，相信很适合通信专业的人士学习-This program realises the DFE rake receiver,which is very clear and easy to understand. Definitely, this is appropriate for anyone who majored in telecommunication