BPSK-AWGN

直接序列扩频通信中采用QPSK调制时，须将产生的串行数据首先串并变换成两路，本程序就是实现这种串并变换！(Direct sequence spread spectrum communications using QPSK modulation, it is necessary to have a string of serial data and converted into the first two, the process is to realize such a string, and transform!)

利用自回归模型产生Rayleigh率落信道(use of regression models have Rayleigh rate charged Channel)

QPSK开环载波同步技术研究 频偏估计算法(Open-loop carrier synchronization QPSK Research Frequency Offset Estimation Algorithm)

说明：  U盘读写模块，实现电脑与U盘自动连接，发送，传输数据(U-reader module, computerization and U disk automatically, sending, transmission of data)

北邮计算机网络实验一，滑动窗口的回退n协议，实测信道利用率很高。(Computer network experiment 1, sliding window backoff n protocol, the measured channel utilization is very high.)

认知无线电中频谱感知的方法，基于能量检测的算法和仿真(energy detection)

建荣蓝牙芯片的相关资料，常用的工具，文档说明(Info Jianrong Bluetooth chip, commonly used tools, documentation)

本文以12个例程详细介绍了opnet的使用，尤其适合初学者。(This paper details the 12 routines opnet use, especially for beginners.)

说明：  resource allocation in cognitive radio

手机中利用二维码进行定位.（标记部分） 程序包括两个部分,这部分为标记部分,需两部分配合使用(Project Name:QR_CodeScan_Baoji Description:Mobile phone use qr code to locate (tag))