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This is the matlab simulation model for Closed loop control of BuckBoost converter operation with Power factor correction

用互相关函数求两周期性信号的时移，为下一步信号处理提供有力支持。(Use cross-correlation function to get shifting of two periodic signal. )

OFEM接收机的解调，检测合格，效果良好，本人亲测(the demodulation of OFDM receiver)

DTMF function code of goertzel, it can be applied to any audio file so it is really helpful for others!

simulink model for a medium to low voltage electricity grid containing sources,transformers lines and loads with all needed measurments

它是matlabgui函数界面说明it is matlab of gui function (it is matlab of gui function )

Matlab code for LPC analysis

光纤陀螺输出误差的allan方差分析，是路径规划的实用方法，小波包分析提取振动信号中的特征频率。( allan FOG output error variance analysis, Is a practical method of path planning, Wavelet packet analysis to extract vibration signal characteristic frequency.)

用微型计算机控制锁相环(PLL)可对计量光栅信号进行数字倍频 用这种挂 术产生的角度定标脉冲去量度齿轮侍动链误差比用时钟脉冲夸理，布助于蓰壹考粤 仪器的动态检测精度．(Phase-locked loop with a micro-computer control (PLL) can be grating on the measurement of digital harmonic signal generated with this hanging point calibration technique to measure the pulse error Gear paternity action chain management than the clock pulse boast, cloth help Xi Yi Dynasty Guangdong instrument dynamic detection accuracy.)

this code realize the two dimention esprit algorithm