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实现两个信号的循环卷积，同时在满足一定条件时可以用来计算线性卷积。(Realization of convolution of two signals, at the same time can under certain conditions to calculate linear convolution.)

说明：  本matlab程序用于对泽尼克多项式的像差进行绘图(This matlab program is used to plot aberrations of Zernike polynomials)

这是一个有关击中击不中变换的程序，已调试，可用(this is a program for hit/miss)

涡轮风扇发动机从正常运行至失效的全寿命采集的实验数据，对于研究涡轮风扇发动机的故障的预测及性能评估想必有用。(Turbofan engine failure from normal operation to the whole life of the experimental data collected for the study of turbofan engine failure prediction and performance evaluation must be useful.)

Mstar tsmu16ak source code(tsmu16ak source code)

matlab版卡农 使用matlab弹奏卡农(matlab version of the Canon use Matlab to play Canon)

三相DC-AC逆变器的谐波注入SPWM调制技术 性能指标：直流输入350~640V，三相交流输出线电压220V AC，输出功率5kVA，功率因数0.8，输出频率50Hz。(Harmonic Injection SPWM Modulation Technology for Three-phase DC-AC Inverter Performance indicators: DC input 350 ~ 640V, three-phase AC output line voltage 220V AC, output power 5KA, power factor 0.8, output frequency 50Hz.)

PCA与不用PCA进行人脸识别的比较，请先安装sltoolbox，人脸数据库采用orl(PCA and PCA for face recognition do not have the comparison, please install sltoolbox, face database used orl)

在对一组离散数据点进行拟合时，我们采用最小距离拟合来达到拟合的函数与原数据达到最优拟合(In a group of discrete data points to fit, we use minimum distance fit to achieve the fit function to achieve optimal fit with the original data )

这个文件很好，内容丰富，能够帮助大家去解决实际问题(This file is very rich in content, can help you to solve practical problems)