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DCT给灰度图像加二值的水印信息，运行显示四幅图，分别是原图像，水印图像，加水印的图像和提取的水印图像(DCT to gray image plus two watermark values, run the show four maps are the original image, watermark image, add watermark image and extracted watermark image)

MATLAB 单纯形法 对偶单纯形法,两阶段单纯形法(matlab simply method)

计算大气折射修正，利用分段模型，采用matlab软件编程计算(matlab caculate the refraction of atmoshpere)

HHT谱计算程序，不是rilling版本，用改进的Hilbert变换，效果好一些，供大家参考。(HHT spectrum of the calculation procedures, rilling is not a version of the Hilbert transform used to improve the results better for your reference.)

另一个matlab版本的差分进化算法，跟前面上传的有差别。(A differential evolutionary algorithm coded by matlab)

混合蛙跳算法（Shuffled Frogleaping Algorithm）是进化计算领域新发展起来的一种优化算法，由Eusuff和Lansey与2003年为解决组合优化问题而最先提出(shuffled frogleaping Algorithm，)

经典子空间算法的完整实现，噪声消除效果比较好(an approach of speech enhancement algorithm)

这是matlab6.5 的使用方法，通过学习该书，可以精通matlab(This is matlab6.5 to use, by learning the book can be proficient in matlab)

find pitch to detection gender

灵巧噪声干扰,可针对脉冲压缩雷达和PD雷达,具体干扰样式有:三角波调频干扰信号 锯齿波调频干扰信号 马鞍型噪声干扰信号 噪声调相干扰信号 噪声调频干扰信号.(Smart noise interference may be directed to pulse compression radar and PD radar, specifically jamming style are: triangle)