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modesim 的仿真测试文件，Matlab文件，需要自己设置部分参数(modesim simulation test file, Matlab file, need to set some parameters)

基于小波变换的数字水印算法matlab代码，结合PCA的尺度不变特征变换(SIFT)算法，有详细的注释。( Based on wavelet transform digital watermarking algorithm matlab code, Combined with PCA scale invariant feature transform (SIFT) algorithm, There are detailed notes.)

用MATLAB语言编写的一个完整的图像水印嵌入算法(MATLAB language with a complete image watermark embedding algorithm)

program that compares the DCT of two matrix

This function stretch and scale image histogram

说明：  matlab状态方程的设计和一个自己编的小小的filter文件请指教！！1(Matlab equation of state of their own design and a series of small filter paper please enlighten! ! 1)

主成份分析的源码，简单易懂，有效代码不超过十行，有注释，注释中注明了代码出处。(The source code of the principal component analysis, easy to understand and effective code not more than ten line, have comments, comments indicate the source the code.)

matlab数学建模工具箱，非线性整数规划图形工具(matlab toolbox of mathematical modeling, graphical tools for nonlinear integer programming)

求解Lambert问题，两点边界值问题。详细使用方法在程序里(The Lambert problem solving two-point boundary value problem. Details to use in the program)

说明：  内附有弹道导弹弹道要求及过程，有完整的matlab程序，可以借鉴学习。自己大三时的远程火箭弹道学大作业。(t includes ballistic missile trajectory requirements and process, complete matlab program, which can be used for reference and learning. My junior year of long-range rocket ballistics homework.)