QPSK定时同步代码，采用Gardner定时同步算法 qpsk_demod

已经调试成功.内含m文件，可直接运行，实现六自由度运动学逆解算法，供做算法研究人员参考。( Has been successful debugging. M contains files can be directly run, Six degrees of freedom to achieve inverse kinematics algorithm, Algorithm for researchers to do reference.)

说明：  对ofdm不同cp长度下系统性能的分析(Performance analysis of OFDM systems with different CP lengths)

Digital Audio Broadcasting System Modeling and Hardware Implementation

GD32F库函数，各种外设，gpio等等(gd32 library v2.0.0 gpio ..)

扩频通信系统的跳频 matalab源代码，源程序。(Spread spectrum communication system of frequency hopping matalab source code, the source program. )

Two different types of measurement matrices: predefined and random measurement matrices were studied and tested using MATLAB. The speech signal was reconstructed without losing important information in order to achieve an increase in the data rates. After multiple simulations

application node 071 cc2430 to 2530 immigigration guide

TOA算法C代码(Keil) 一对一(TOA)

这是蓝牙4.0的规范说明文档，对于了解4.0协议有所帮助。(This is the Bluetooth 4.0 specification document helpful for understanding the 4.0 protocol.)

说明：  基于电能计量芯片HLW8012的应用研究(Research on the application of power metering chip hlw8012 research on the application)