math

基于DCT的数字水印源码，描述DCT的变换、水印的嵌入过程。(Digital Watermarking Based on DCT source, described in the DCT transform, the watermark embedding process.)

用于蒙特卡洛monte calro仿真方法的模拟(For the Monte Carlo simulation method simulation monte calro)

有限元方法计算中3角形单元3节点模型建立，可解决平面应力和应变问题(Finite element method to calculate the Triangle 3 nodes model, which can solve the problem of plane stress and strain.)

说明：  对于给定的信号数据，用emd进行信号分解得到固有模态函数imf(implement emd to obtain imfs)

适用于水下信号分析的矢量奇异值MUSIC算法源代码，对学习空间谱MUSIC算法的初学者有一定的参考作用

地震资料数字处理的首要环节，读取地震数据，以及地震记录的道头卷头信息(reads a SEG-Y file and outputs a seismic structure)

说明：  matlab 图像处理程序例子 供初学者参考(matlab image processing procedure example of reference for beginners)

系统实现了笛卡尔坐标、大地坐标和站心坐标相互系转转换，以及单点定位、卫星历元信息查看功能。(Cartesian coordinate system implements, geodetic coordinates and topocentric coordinate mutual transfer system conversion, as well as single-point positioning, satellite epoch View feature.)

Karhunen Loeve算法实现过程，该项算法可用于图像的压缩和分类(Karhunen Loeve algorithm process, the algorithm can be used for image compression and classification)

WATERMARKING USING dct