BPSK

提供了一种以matlab/simulink为基础方法，采用lqr和滑模变结构控制相结合的控制器，可用于其他模型(Provides a matlab/simulink based method lqr and sliding mode control combined controller can be used in other model)

ofdm系统基于LS和LMS信道估计的SER性能仿真对比。(ofdm system based on LS and LMS Channel Estimation SER Performance Comparison.)

并联有源电力滤波器（APF）基于空间矢量的滞环控制(Shunt active power filter (APF) based on space vector control hysteresis)

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。

matlab中使用FFT算法求两个信号的时频二维（互模糊）函数，可以实现信号的时延、多普勒频移联合估计（需要根据实际场景适当修改参数）(oint estimation matlab frequency two-dimensional FFT algorithm seeking the two signals (cross ambiguity) function, signal delay, Doppler shift)

说明：  基于matlab实现的循环谱估计算法，形成循环谱图。(The cyclic spectrum estimation algorithm based on MATLAB is used to form the cyclic spectrum.)

generate prbs pattern

Basic C, WSA 2.0 chat server and client.

Sellmeier index calculation

多功能电能表通信协议_645-2007.pdf(Multi-function watt-hour meter communication protocol _645-2007.pdf)