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generate LFM pulse waveform

此代码是在matlab下开发，适应于GPS高程拟合，只需加载相关数据，方便好用(This code is developed in matlab to adapt in the fitting of GPS Elevation, just load the relevant data, easy-to-use)

Audio compression and recording

源代码非常清晰，内容丰富，浅显易懂。适合学习(the code is very easy)

说明：  有源功率因数校正仿真模型，采用滞环电流控制的方法。(The simulation model of active power factor correction adopts the method of hysteresis current control.)

用matlab软件开发的多个关于梁的例程(Matlab software development with a number of routines on the beam)

计算矩形微带天线输入阻抗matlab源代码(Matlab code for computation of input impedance of microstrip antenna)

IIR滤波器的设计及其使用，可产生幅度相同的单频信号，其中进行了傅里叶变换等。(IIR filter design and its use, may have the same single-frequency signal amplitude, which carried out the Fourier transform.)

说明：  一个简单的Matlab GUI程序示范，初学者用于参考(A simple Matlab GUI program demonstrations, beginners for reference)

Boiler1 pid fuzzy controller wiyh details