fenghen

小世界，无标度网络的生成及度分布，集聚系数等计算的程序代码(Small world, scale-free network generation and distribution, the clustering coefficient calculation code)

for gps tracking acquision satellite position and velocity finding

ofdm system with channel estimation (ofdm channel estimation)

BER for 16psk modualtion using grey mapping

激光散斑测量微流速，如果有散斑图，输入，给出相应的相对速度(find out the speed of laser speckle)

单摆振动运动规律的傅立叶分析MATLAB程序(Fourier law of motion of simple pendulum vibration analysis of MATLAB programs)

基于前馈补偿的PID控制算法。可以通过设置M参数查看控制效果（M=2时误差平稳且接近0）。(Feedforward compensation based on the PID control algorithm. You can view the control parameters by setting the effect of M (M = 2 when the error is stable and close to 0).)

逆变器电路的Matlab仿真源程序，初学者可以看看(Inverter circuit and Matlab simulation source, beginners can look)

基于MATLAB的MFSK调制解调，其中解调包括相干和非相干解调(MATLAB-based MFSK modulation and demodulation, which includes coherent and non-coherent demodulation demodulation)

本仿真采用dq原理检测谐波,采用PI闭环控制策略(This simulation uses DQ principle to detect harmonic, and adopts PI closed-loop control strategy)