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principal component analysis

数字水印(digitalwatermarking)是一种信息隐藏技术，它的基本思想是在数字图像、音频或视频等数字媒体作品中嵌入秘密信息，以便保护数字作品的版权、证明作品的真实可靠性、跟踪盗版行为或提供作品的附加信息。(Digital Watermarking (digitalwatermarking) is a kind of information hiding technology, its basic idea is in the digital image, audio or video digital media works, such as embedded secret information in order to protect the copyright of digital works to prove that the true reliability of the work, tracking piracy works or provide additional information.)

单元刚度矩阵转化为整体矩阵，如何在MATLAB中实现(stiffness matrix THE BELOW ELEMENT MATRICES AND LOAD VECTORS ARE IN THE NODAL COORDINATE SYSTEMS. GRAVITY AND TRANSIENT EFFECTS ARE INCLUDED.)

实现语音信道编码之卷积编码的编译码仿真程序，采用的是维比特编码(Voice channel coding convolutional coding of the codec simulation program, using the bit-dimensional coding)

matlab实现人体回波模型创建和短时傅里叶测试(Matlab realization of human echo model and short time Fourier test)

G Rilling 团队写的一些关于EMD的算法程序，比较详细(It gives some files on EMD by the team of G Rilling,and it show the algorithm on EMD in detail.)

In geometric camera calibration the intrinsic and extrinsic camera parameters are computed based on measured image coordinates of a know calibration target. These parameters may be used to correct distorted images or image coordinates(In geometric camera calibration the intrinsic and extrinsic camera parameters are computed based on measured image coordinates of a know calibration target. These parameters may be used to correct distorted images or image coordinates)

《电力电子应用技术的MAtlab仿真》一书影印版。(Power electronics simulation base on MAtlab)

adpcm codification matlab code

algorithm to calculate the MMSE algorithm inlab mat