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电位电极系测井曲线，用matlab编写,可用于学测井的人参考(Potential electrode system logs, prepared by matlab, people can learn logging for reference)

载波移相SPWM调制法是一种特别适合于级联多电平逆变器的SPWM方法,在matlab/simulink环境下下运行,这是本人搭建的一个小模型(Carrier phase shifting SPWM modulation method is a particularly suitable for cascaded multi-level inverter SPWM method, run in matlab/simulink environment under)

说明：  进行小波分析，得到更好地结果，画出较为精准的图像(Wavelet analysis was performed)

sequential detection

闭环充电机仿真图，看了这图你就会做充电机了。(Closed-loop simulation charts charger, read this plan you will do a charger.)

正弦函数的离散傅里叶变换，输出傅里叶变换系数(Discrete Fourier sine transform, Fourier transform coefficients output)

matlab code for haar methode

说明：  基于QR分解的最小二乘算法,在工程领域有很大的应用(QR decomposition based least squares algorithm, in the engineering field has a lot of applications)

almoutii-algorithm for space time code

有限元差分解偏微分方程的函数,能设置初值，边界值(Difference solution of partial differential equations finite element function can set the initial value, boundary value)