Matrix-Free-Power-

扩频通信，即扩展频谱通信(Spread Spectrum Communication)，它与光纤通信、卫星通信，一同被誉为进入信息时代的三大高技术通信传输方式。

51单片机和三菱变频器MODBUS RTU通信实例，里面有具体的通讯范例，方便初学者学习(51 single-chip microcomputer and mitsubishi inverter MODBUS RTU communication as an example, there is a specific communication paradigm, easy for beginners to learn)

说明：  无源被动雷达定位中的利用椭圆法求交点，得到目标位置(Passive Radar Detection using Range-Doppler Transformations find ell intersect)

衰落信道的仿真，包括瑞利，莱斯信道，还有分集接收等内容(Fading channel simulation, including the content of the Rayleigh and Rice channel, there is diversity reception)

Performance of Successive Interference Cancellation in Convolutionally Coded Multicarrier DS/CDMA Systems

OPNET上实现的原码，与卫星通信有关，有兴趣的可以下载(OPNET to achieve the original code, relating to satellite communications, are interested in can be downloaded)

Sample code in VB.NET for calculate and check CRC (Modbus specification). Supported both string format (like MSComm) and bytes array(like DCB).

结合QPSK调制的直接序列扩频系统的仿真(Combined with QPSK modulation direct-sequence spread-spectrum system simulation)

Z-TEK USB转RS232串口驱动文件，网上很难找到，今天我吧它贴出来，希望能帮助大家！(Z-TEK USB TO RS232 Converter)

TD_SCDMA 直放站应用与分析，希望对大家有用(TD_SCDMA repeater applications and analysis, we hope to be useful)