l_depth2time

This function used for calculate ellipse point to draw.

模拟FM信号的解调子程序，包括下变频、A/D采样、正交解调，最后输出基带信号。(Subroutine analog FM demodulation signal, comprising down-conversion, A/D sampling, orthogonal demodulation, and finally outputs a baseband signal.)

dpcm matlab code in zip format

对图像进行增强处理的车流量检测算法，图像锐化，背景差分，膨胀腐蚀等一系列数学形态学操作(The image enhancement processing of the traffic flow detection algorithm, image enhancement, background difference, expansion and a series of mathematical morphology erosion operation)

说明：  有限差分法数值模拟弹性波动方程，使用matlab编写的。(Finite difference method numerical simulation of elastic wave equation, using matlab prepared.)

PMSM_vatiablefrequency.rar,motor,功率电子领域matlab仿真文件，已经验证过，程序运行正常(PMSM_vatiablefrequency.rar,Power electronics field matlab simulation file, has already been verified, the normal operating procedures)

说明：  PM system payment e-voucher automatic.

MATLAB中FFT的使用方法 调用FFT的函数直接通过MATLAB实现(To use MATLAB in FFT FFT of the function calls directly through MATLAB Implementation)

English version for matlab learning(easy to learn and simple to use)

说明：  这是黑龙江大学自动控制专业杨易鹏同学用matlab编写的广义最小二乘算法!(Heilongjiang University automation Yang Yi Peng students using Matlab prepared by the generalized least squares algorithm!)