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说明小波消噪的理论，阈值估算和提取，给出在MATLAB下阈值估算和消噪的函数，并在语音信号处理中增强语音。(Explain the theory of wavelet denoising, threshold estimation and extraction, are given in the MATLAB under the threshold estimation and de-noising function, and speech signal processing to enhance voice.)

关于多选择背包的很好的文章，提供了各种设计思路(Multiple Choice Knapsack Problem Example of planning choice in transportation )

针对二维熵图像分割方法在求取最佳阈值时存在计算量大及微粒群算法容易陷 入局部最优且速度较慢等等问题, 提出了基于混沌粒子群优化算法的二维熵图像分割方法。 该方法考虑了图像中像素点灰度􀀂 􀀂 􀀂 邻域灰度均值对作为阈值对图像进行分割 利用混沌运 动随机性、遍历性和初值敏感性, 将混沌粒子群优化算法与阈值法相结合在二维空间作全局搜 索。实验结果表明了基于混沌粒子群优化算法的二维熵图像分割法用于阈值寻优减少了搜索 时间, 提高了收敛率。(Calculation of its large capacity and particle swarm algorithm is easy to fall to strike the best threshold for the two-dimensional entropy image segmentation method Into the local optimum and slower, the proposed two-dimensional entropy image segmentation method based on chaotic particle swarm optimization algorithm. The method takes into account the image pixel the gray 􀀂 􀀂 􀀂 neighborhood average gray value as a threshold for image segmentation chaotic transport Dynamic randomness, ergodicity and initial value sensitivity of chaotic particle swarm optimization algorithm with the threshold method in two-dimensional space for the global search On request. Experimental results show that the entropy method of image segmentation method based on chaotic particle swarm optimization algorithm for threshold optimization to reduce the search Time and improve the convergence rate.)

本程序包括5个MATLAB程序，分别实现图像分量提取，拉普拉斯变换，图像批量格式转换，图像纹理特征提取，以及小波变换(The program includes five MATLAB programs were achieving the image component extraction, Laplace transform, image batch format conversion, image texture feature extraction, and the wavelet transform)

测量6205深沟球轴承的故障振动加速度信号, 对信号进行时频分析, 利用经验模态分解方法将振动信号分解成不同特征时间尺度的固有模态函数,对每个固有模态函数进行Hilbert 变换得到Hilbert 谱,通过谱分析识别轴承的故障部位和类型, 证实Hilbert 谱的有效性(Measuring 6205 deep groove ball bearing fault vibration acceleration signal, the signal frequency analysis, empirical mode decomposition method to decompose the vibration signal into different characteristic time scales of intrinsic mode functions, the Hilbert transform of each intrinsic mode functions Hilbert spectrum, spectral analysis to identify the location and type of bearing failure, confirmed the effectiveness of the Hilbert spectrum)

说明：  用于变量的降维，是目前为止最好的降维方法，是比较常用的降维方法之一。(For variable dimension reduction)

关于贝叶斯统计模型的经典好书，详细介绍各种贝叶斯模型以及求解方法(introduce bayesian statistics,including a variety of models and methods,such as Linear Regression Model, mcmc, and so on)

车牌识别系统，一个比较实用的程序，不过移植性不是很高(License plate recognition system, a more practical procedure, but portability is not very high)

说明：  本书适合于初学OFDM的人，英文原著，易于进行matlab编码学习(This book is suitable for beginners who OFDM, the English original, easy to learn matlab code)

捷联惯性导航中地理坐标转换为直角坐标的matlab程序(Strapdown inertial navigation geographical coordinates are converted to rectangular coordinates matlab program)