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一个基于离散余弦变换的水印算法的matlab程序（嵌入、提取）(one based on discrete cosine transform the watermark algorithm Matlab (embedding and extraction))

斩波器的仿真，利于同学们对刘占波电路的了解。(Simulation of the chopper，which will help the students understanding of the INNER circuit.)

数值分析, matlab在数值分析中的应用1~7(Numerical Analysis)

计算豪斯道夫维数和H指数的的MATLAB代码，关键字：豪斯道夫维数，豪斯道夫距离，H指数(Hausdorff calculated the number and H index of MATLAB code, keyword: Hausdorff few, Hausdorff distance, H index)

随机序列生产一维信号 用DB3小波进行二尺度分解 示范了dwt函数的用法 计算重构信号和原始信号的误差(Random sequence to produce one-dimensional signals DB3 wavelet decomposition of two-scale demonstrates the usage of computing functions dwt reconstructed error signal and the original signal)

是用matlabK联合FPGA一起实现波形仿真，不同于大家常见的别的方法。是平行于SILK技术的一种技术(DDS MATLAB 仿真)

对目标图像处理进行后，可以对目标进行追踪，卡尔曼滤波模型是目标追踪中常用的代码(After image processing, the target can be tracked. Kalman filter model is a common code in target tracking.)

实现PPG信号的特征提取，标记PPG信号的波峰和波谷值(Implementing feature extraction of PPG signal)

详细介绍了轨道方程，轨道六要素，以及坐标计算方法，包括椭圆轨道面坐标、大地空间直角坐标以及经纬度坐标的计算方法(The orbit equation, the six elements of orbit and the coordinate calculation method are introduced in detail, including the calculation method of elliptical orbit, plane coordinates, geodetic space, rectangular coordinates and longitude and latitude coordinates)

说明：  针对员工数目较多的公司，用于员工信息查询和工资计算(A relatively large number of companies for the employees, for employee information inquiries and payment of wages)