第二题

QPSK调制解调程序仿真程序，非常有参考价值(QPSK modulation and demodulation process simulation program, very useful)

无线电力传送，无线充电 ，无线传输论文，共振原理抓住电磁波。(Wireless power transmission, wireless charging, wireless transmission papers to seize the resonance theory of electromagnetic waves.)

UR旋转矢量转化，转化为RPY坐标，更加适合编程，非常靠谱(UR Rotation Vector Conversion)

Jakes提出了基于正弦波叠加法的Jakes仿真模型。Jakes仿真模型是一种确定模型，产生的信号非广义平稳且不具各态历经性，其二阶统计特性与Clarke参考模型也相差较大。(Jakes fading channel model)

说明：  用于测试MC55i模块的性能和好坏，使用C++Builder编写经过调试(MC55i module for testing the performance and quality, the use of C Builder after Debugging)

加窗QPSK-OFDM调制解调，每个OFDM符号采用QPSK调制方式，并画出了时域对比图(Windowed QPSK-OFDM modulation and demodulation, each OFDM symbol using QPSK modulation and a time-domain comparison chart shown)

At the beginning of 2004, the standards for third generation (3G) cellular technology were embodied in 483 Technical Specifications published by the two Partnership Projects: 3GPP and 3GPP2.

C# 串口通信源码示例，老外写的，非常精美。(Serial Communication C# source code examples, written by foreigners, very fine.)

一个即时的客户端和服务端的聊天室........000000000(An instant client and server chat room.......00000000000)

研究信道噪声对M-ary QAM的影响，适合数字通讯从业者(Effect of channel noise on M-ary QAM in)