matlab实现QPSK调制，采用两种方法相位选择法和I/Q两路相加法-

In this simulink model , baseband 8-ary PAM detection is simulated .A half-sine pulse shaped PAM signal is given as input to the detector.The received signal is matched filtered and down-sampled .The effects of symbol timing offset can be seen by varying the phase of down-sampling operation.The 8-ary PAM signal transmitted is recovered at the detector output.

linux arp协议的详细讲解文档，文档中详细讲解了arp的原理和实现过程。非常详细，pdf格式，容易阅读。-explain linux arp details of the agreement document, the document explained in detail the principles and implementation process arp. Very detailed, pdf format, easy to read.

g704文档，无密码，自由下载-g704 document,no password,free download

vc++编写的串口检测程序开发-vc prepared by the serial Detection Program Development

Modbus 源码程序 非常详尽 适合初学者-Modbus-source program suitable for beginners, very detailed

Datasheet GSM/GPRS wireless for Motorola-Datasheet GSM/GPRS wireless for Motorola

VC++编写，通过USB接口实现PC机与单片机的数据收发-VC preparation, adoption USB PC and SCM data transceiver

新个GSM模块收发手机短信源程序,非常值得借去借鉴。-The new module of GSM mobile phones to send and receive message source, very worthwhile to learn by.

AISG协议为通信行业制定的标准协议，是无线微波通信天线行业的标准，版本为2.0-AISG agreement for the development of the telecommunications industry standard protocols, wireless microwave communication antennas industry standards, Version 2.0

simple mobile basketball game!It is very good!