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在MATLAB中，利用主成分分析法解决数学建模中的问题(In MATLAB, principal component analysis is used to solve problems in mathematical modeling.)

基于 DCT(离散余弦变换 )域的信息隐藏算法是目前应用最广的变换域算法 ,此类算法的最大不足是嵌信息量小。通过分析 DCT域隐藏算法隐藏容量少的原因 ,提出了一种大容量的 DCT域信息隐藏算法。算法首先对载体图像进行频谱均匀化处理 ,然后对图像进行全局 DCT变换 ,并将隐藏信息嵌入到载体图像的低频 DCT系数上 ,信息嵌入采用分段量化的方法实现 ,提取隐藏信息时不需要原始载体图像。实验结果表明 ,该算法的嵌入容量大 ,不可感知性好。(Based on DCT (discrete cosine transform) domain information hiding algorithm is the most widely used transform domain algorithms, the largest of these algorithms is the lack of a small amount of information embedded. Hiding Algorithm for DCT domain by analyzing the hidden reasons for the low capacity, a large capacity of information hiding algorithm for DCT domain. Firstly, the spectrum of the carrier image homogenization, and then the image is a global DCT transformation, and hidden information embedded into the image of the low-frequency DCT coefficients, the information embedded in the methods used to achieve sub-quantization, extract hidden information without the original Vector image. Experimental results show that the algorithm embedding capacity, can not be perceived good.)

Calculate hurst and lyupanov exponent from a time serie

编程,逆向及数据分析 编程逆向及数据分析. :数据分析的几个方面的经验总结.(Programming, reverse and data analysis 编程逆向及数据分析. Programming of reverse engineering and data analysis :数据分析的几个方面的经验总结. : data analysis of several aspects of the experience )

《神经模糊预测控制及其matlab实现》（第3版）matlab程序(Neuro fuzzy predictive control and its matlab implementation (Third Edition) matlab program)

MATLAB精细积分求解微分方程组,有错的地方请专家指教(MATLAB precise integration to solve differential equations, with a wrong place to hire experts to enlighten)

matlab 课程实习 第五章 答案 附源码(Chapter matlab courses internship answer with source code)

对一维信号进行OMP重构，基于压缩感知的信号重构(OMP reconstruction, one-dimensional signal based on compressed sensing signal reconstruction)

说明：  多传感器融合算法，可以将多传感器的数据经处理，相比单传感器数据更加有效(Multi sensor fusion algorithm can process multi-sensor data, which is more effective than single sensor data)

将梁分成9个单元，在中间受力，建立整体的刚度矩阵，建立整体模型。(The beam is divided into nine units, in the middle forces, the establishment of the overall stiffness matrix, the establishment of the overall model.)