crndandkcdf

Smith圆图，可以实现多种功能，用matlab仿真软件实现(Smith chart, you can achieve a variety of functions, implemented using matlab simulation software)

电能质量控制,可以控制电压幅值和补偿电压上升跌落(the control of power quality)

34 节点配电网潮流计算，这是其中一部分，另外两部分为ieee34mod2和ieee34linecode(34 node distribution power flow calculation, which is part of it, and the other two into ieee34mod2 ieee34linecode)

一种改进的自适应滤波算法,它通过选择自适应滤波器的系数更新时间间隔,在系统的收敛速度与计算量之间取得折衷 算法在每次系数更新时,利用了系统过去时刻数据(An improved adaptive filtering algorithm, it by selecting the adaptive filter coefficient update interval, the convergence rate and the trade-off between computation algorithm to update each coefficient, the use of the system data over the past time)

park变换与park反变换，引入三相正弦输入，在模拟示波器端查看波形，能够得到期望的效果(park and Inv_park)

数字下变频DDC的matlab原码，采用cordic算法(DDC The DDC matlab source code, you can refer to see)

说明：  此程序为基于MATLAB的PSPICE仿真，非常实用，适用于初学者使用(This procedure for the PSPICE simulation based on MATLAB is very useful for beginners to use)

用来画荷农吸引子 离散系统的相轨迹图 二维系统(Farmers used to draw charge attractor the phase trajectories of discrete two-dimensional systems)

用Goertzel算法计算两正弦波信号的相位差(Goertzel algorithm using two-phase sine wave signals)

对声音信号的时域分析频域分析采样并显示时域分析结果，还有录音并显示(Time-domain analysis of the sound signal frequency domain analysis of the sample and displays the time domain analysis, as well as recording and display)