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used to simple calculator

说明：  冈萨雷斯数字图像处理的一个review 简洁不错(a review of digital image processing)

用Ziegler--Nichols整定公式来求P,PI,PID的个参数，其中Gc是校正器的传递函数,kp为比例系数， Ti为积分时间常数，Td为微分时间常数，输入参量vars为带迟滞--惯性环节模型的KT τ(With Ziegler- Nichols tuning formula to seek P, PI, PID' s parameters, which Gc is the corrector transfer function, kp is proportional coefficient, Ti the integral time constant, Td for the differential time constant, input parameters vars as with hysteresis- inertia model of the KT τ)

对三相电网电压进行无源控制 采用了拉格朗日方程 对负载扰动作了分析(Three-phase grid voltage Passive Control Using Lagrange equation Load disturbance analyzed)

说明：  基于simulink 的ofdm仿真，一个完整的系统。用于信道估计仿真。(The ofdm simulink-based simulation, a complete system. Channel estimation for the simulation.)

微波技术电子史密斯圆图程序Matlab---Smith-chart(Matlab---Smith-chart)

微型逆变器初始化，简单易学，大家互相分享源码。(Micro-inverter initialization, easy to learn, we share with one another source.)

电机控制程序，用来提取电机的定子电流转子槽谐波，来计算电机转速和温度(The motor control program, used to extract the motor stator current harmonic rotor slot, to calculate the motor speed and temperature)

多层板的lamb波，一个工具箱，使用起来简单方便(multi-layer lamb wave, a toolbox, easy to use)

对高维数据进行小波去噪，并得到降噪效果图(High-dimensional data on wavelet denoising and get noise reduction effect diagram)