matlab实现 STBC-MIMO-OFDM

说明：  VL53L0X英文原版操作手册，便于有一定编程基础的用户使用(VL53L0X English Original Manual)

实现局域网内的通讯。类似于QQ聊天室可以群聊(Communication within a LAN.)

Selective mapping algorithm is proposed to reduce the peak-to-average power ration (PAPR) in MIMO-OFDM system. It is proved that the conjugate symbols on two antennas have the same PAPR property with orthogonal space-time block coded (STBC). By using the characteristic, the computational complexity cost and the side information (SI) is significantly reduced compared with the concurrent SLM algorithm. Simulation results demonstrate that the performance of the proposed algorithm outperforms the conventional concurrent SLM algorithm.

北斗通信设备通用的协议，串口通信与北斗卫星的通信协议，(The general protocol of Beidou communication equipment, serial communication protocol with Beidou satellite)

实现绘制信号的功率谱，两重自相关，滤波后时域，滤波器，频谱图，信号时域图以及自相关函数图等功能(The functions of drawing signal power spectrum, double correlation, filtering time domain, filter, spectrum, signal time domain and autocorrelation function diagram are realized.)

封装了windows操作串口的几个API（CreateFile， ReadFile，WriteFile，SetComState）。串口的读写设置这几个操作都可以简单地只用关键一两个参数就能实现操作。也是一个很好的例子，我写这个之前查了不少资料，感觉非常麻烦，索性发出来给新手们作个样例(Windows serial COM port access class，it includes CreateFile, SetComState，ReadFile，WriteFile，CloseFile)

仪器仪表MODBUS RTU 协议,里面对每一帧含义进行了解释标识与举例。(Instrumentation MODBUS RTU protocol, in the face of each frame in meaning explained with an example )

数字化激光扫描振镜的接口定义及通信协议 XY2-100格式描述(XY2-100 format description of the interface definition and communication protocols digitized laser scanning galvanometer)

说明：  MSK FSK的调制程序及其功率谱密度函数图像(MSK FSK modulation process and its power spectral density function of image)

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)