modi_NewtonPvailation.tar

说明：  基于ar方法的频谱估计算法，matlab版()

Matlab 滤波器设计Matlab 滤波器设计(Matlab filter design Matlab filter design)

研究中我么采用分段的方法对数字音频信号嵌入水印。为便于研 究，以灰度图像为数字水印原始信号经二值化处理后得到水印再嵌入 音频信号的离散变换域中，从而得到嵌入水印的音频信号，其实现过 程原理框图如图1 所示。在水印嵌入的过程主要实现四个阶段的任 务：(1)数据准备与预处理，主要是准备好水印原始图片和待嵌入水印 的音频信号 (2)音频信号分段处理，用于嵌入水印的音频数据部分等 分成(m1*m2)个音频数据段 (3)水印图像降维处理，在此过程灰度图像 水印转化为二值图象, 要将其嵌入到一维的数字音频信号中, 必须将 二维的图像转化成一维的序列 (4)将水印嵌入到数字音频信号中,从而 最终获得带数字水印的音频信号。(The study I Mody, segmented digital audio signal embedded watermark. Discrete transform domain to facilitate the study of the grayscale image for the digital watermark the original signal is obtained after the binarization processing watermark embedded in the audio signal, thereby obtaining the watermark embedded in the audio signal, and its implementation process schematic block diagram shown in Figure 1. Mainly in the watermark embedding process to achieve the task of four phases: (1) The data preparation and pretreatment, is ready to watermark the original picture and to be embedded in the audio signal of the watermark (2) audio signal segment processing for embedding watermark The audio data portion is divided into (m1* m2) audio data segment (3) The watermark image dimension reduction processing, binary image is converted to grayscale image watermark in this process, and to be embedded into a digital audio signal of a one-dimensional , two-dimensional images must be converted in)

本程序是原始粒子群算法，对一个简单函数的优化，可用来与其他算法功能进行比较。(This procedure is the original particle swarm optimization, a simple function of the optimization function can be used to compare with other algorithms.)

该代码为利用几何不变矩提取图像几何特征的代码，用matlab编写，提取7个Hu矩为特征向量。可以用于基于内容的图像检索(The code for the image using the geometric moment invariant geometric features extracted code, written with matlab to extract seven Hu moments as features. Can be used for content-based image retrieval)

用MATLAB语言根据成形滤波器法实现通信环境中的瑞利信道的仿真(Realization of Rayleigh channel communication environment using MATLAB simulation language based on shape filter)

雷诺方程的数值解法，采用列出矩阵的形式求解(Numerical Solution of Reynolds equation, using the matrix set out in the form of solving)

this is very usfull book in matalb try to download it regards

说明：  定位系统仿真代码 包括AOA TOA TDOA 对各种复杂环境模拟(Positioning system simulation code AOA TOA TDOA of a variety of complex environmental simulation)

matlab实现的k均值聚类算法，可以实现对大量数据的有效分类(matlab implementation of the k-means clustering algorithm, can achieve a large amount of data on an effective classification)