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三电平变流器的SVPWM调制、平衡因子中点电压控制模型，运行效果好。(Three-level converter SVPWM modulation, balance factor midpoint voltage control model, good operating results.)

LPLL_DPLL_CPLL algorithms

This code is a complete fingerprint core point detection. It uses orientation field for singular point detection and Zhang-suen algo. for thinning in preprocessing part

说明：  正常重力的仿真模型，内含正常重力计算公式，可模拟不同纬度的正常重力(Simulation model of normal gravity, containing normal gravity formula can simulate normal gravity in different latitudes)

matlab中的clock函数与进度条联合使用例子(matlab in clock function in combination with the progress bar examples)

霍普菲尔德网络的另外一个例子，matlab编程(Hopfield networks, another example, matlab programming)

使用matlab实现最小二乘算法，计算测量的待定点的精度(Using matlab to achieve least-squares algorithm to calculate the accuracy of measurement points to be determined)

用于计算图像纹理特征的灰度共现矩阵。可计算水平，竖直，45，135度方向的共现矩阵。(Used to calculate the image texture gray co-occurrence matrix. Calculate the horizontal, vertical, 45,135 degrees direction co-occurrence matrices.)

说明：  主要是用于提取超声导波的时域特征，例如偏度参数、峰度系数、形状系数、离散系数等等(Time Domain Characteristics for Extracting Ultrasound Guided Waves)

用matlab中双纵坐标来对两组不同数据在同一个图上表示(using Matlab to plot two different group data double y-coordinate in the same figure )