QPSK-SimulationGray-CodingRayleigh-Fading

说明：  OFDM系统仿真 ----比较OFDM系统的IDFT/DFT实现与模拟调制实现仿真代码，其中假设OFDM系统包含8个子载波，fc=1 Hz，子载波频率间隔为1 Hz，每个子载波采用4-QAM调制，符号周期为1秒(OFDM IDFT/DFT 4-QAM FFT/IFFT)

无线信道建模，路径损耗及正态阴影模型源代码，可出图，(Path loss Wireless channel modeling)

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)

说明：  polar 代码，使用matlab进行仿真，实现了polar代码基本功能，并提供polar基本原理说明(matlab polar simulation)

modbus library written in c sharp!!!!!

说明：  通过运用t2f f2t函数运行gmsk(Running GMSK with t2f F2t function)

Ds_CDMA EASI 算法使用两个用户的分离实现PN序列以及用户信息的分离(To solve the problem of the direct sequence code division multiple access (DS-CDMA) system multiuser detection, this paper proposes a variable step-size based on performance index (PI) EASI algorithm for information code and chip sequence blind estimation)

技术文档：OFDM联合极大似然法，符号和载波频偏估计，利用循环前缀的冗余信息实现ML估计，不需额外插入导频，其频率估计用于跟踪模式，时间估计用于捕获模式。(OFDM ML estimator for time and frequency)

恒频恒压(CVCF)逆变电源的输出电压波形质量是衡量其性能的重要指标之一。文章采用一种重复控制和双闭环控制相结合的电压波形控制策略，以重复控制器提高逆变电源输出电压的稳态精度，减小总谐波畸变率；以双闭环控制器达到较快的动态响应速度。该方案在一台采用TMS320F240 DSP控制芯片的50 Hz三相PWM逆变器上得到验证。(Constant voltage constant frequency (CVCF) Inverter output voltage waveform quality is an important measure of its performance indicators. Paper using a repetitive control and the combination of double closed loop control voltage waveform control strategy to improve the repetitive controller output voltage inverter steady-state accuracy and reduce total harmonic distortion to achieve a faster dual-loop controller dynamic response speed. The program uses TMS320F240 DSP in a 50 Hz phase control chip PWM inverter has been to verify.)

基于特征函数的张量分解相关代码，结合“lm”，“als”等很多算法。 主要用于处理欠定MIMO系统识别(Based on the characteristic function of the tensor decomposition of the relevant code, combined with the " lm" , " als" and many other algorithms. Mainly used for underdetermined MIMO system identification process)