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说明：   <小波分析理论与MATLAB 7实现>是“MATLAB应用技术”系列丛书之一，以最新推出的MATLAB中的小波分析工具箱Wavelet Toolbox 3.0版本为基础。全书共分为三部分，第1部分着重介绍了小波理论基础，包括小波基础知识、连续小波变换、离散小波变换、多分辨率分析与正交小波变换、小波变换和多采样滤波器组、二维小波变换与图像处理及小波包的基本原理等；第2部分重点说明了小波分析工具箱的详细使用方法，包括图形用户接口、小波通用函数、一维小波变换的MATLAB实现、二维小波变换的MATLAB实现、小波包变换的MATLAB实现、信号和图像的降噪和压缩，以及最新的信号和图像的提升小波变换等内容；第3部分主要介绍了小波工具箱的应用基础，以及小波变换在语音和生物医学信号处理中、故障诊断中、数字水印中的应用方法。 本书可作为理工科各专业的高年级本科生、研究生学习小波分析的辅助教材，也可作为研究和应用这一领域的科技工作者的参考书。 (err)

Face recogination using PCA in matlab

实现迭代学习控制的simulink数学模型，设置PID参数，可以跟踪期望轨迹(Iterative learning control to achieve the simulink model, set the PID parameters, you can track the desired trajectory)

基于CDMA蜂窝网络的无源雷达定位的克拉美罗下限计算(Cramer-Rao lower bound of the passive radar location based on CDMA cellular networks)

说明：  matlab 中很实用的源代码2：中值滤波器、用Sobel算子和拉普拉斯对图像锐化，梯度算子检测边缘(Practical source code of matlab)

PCA主元分析法求主元个数，Q和T2的源程序(PCA principal component analysis method for the number of main elements, Q and T2 of the source)

数学建模清华数模讲义\model4b (Mathematical modeling Qinghua digital-analog handouts model4b)

EEMD AND EMD故障诊断新的方法，有效提取故障信号(EEMD AND EMD)

Bluetooth is a wireless technology that allows computers, phones, headsets, PDA s and other devices to wirelessly communicate over short distances (up to 33 feet). Bluetooth uses radio waves (in the 2.4 GHz range), and is designed to be a secure, low power and inexpensive way of connecting and exchanging information between devices without the need for wires or cables to link devices together.

This recreation makes the filters more stable. For high sampling rates the time records are downsampled. For the low sampling rates the time records are upsampled. Depending on the Filter types. Iterative resampling is used in the Nth octave band time filter to improve the attenuation of the resample program. Also the filters are settled by preappending time data, then deleting the preappended data after filtering.