FIR

通过多尺度小波变换获取图像边缘的软件包，可以用来分割图像(Through a multi-scale wavelet transform to obtain the image edge of the package)

说明：  瞬时相位法线性调频信号瞬时频率提取技术研究matlab程序并附有一篇找到的论文(a matlab program Instantaneous Phase Linear FM signal instantaneous frequency extraction technique together with a paper)

关于INS仿真平台的程序，对于研究惯性导航系统十分有用，内含说明文档(About the INS simulation platform programs, which is very useful for studying inertial navigation system, contains documentation )

计算并绘制图像的直方图，本设计中绘制了四种形式的直方图，imhist,bar,stem,plot进行比较和区别！(Calculated and plotted the histogram of the image, the design of four forms of the histograms drawn, imhist, bar, stem, plot and compare the difference!)

realize overlapped-add method ％[y]=overlpadd(x,h,Nfft) ％y:output sequence ％x:input sequence ％h:filter impulse response sequence ％Nfft:points of each DFT operation ％重叠相加法实现分段卷积(realize overlapped-add method% [y] = over lpadd (x, h, Nfft)% y : x% output sequence : % h input sequence : impulse response filter% Nfft sequence : DFT points of each operation% of the sum of overlapping sub-convolution Method)

基于matlab人脸检测的方法很多，pca是其中比较有效的一种。本代码主要是使用pca的方法进行人脸检测，可以检测出人脸的位置，数目，大小(Matlab-based Face Detection many ways, pca which is the more effective one. The code is the use of the method pca Face Detection can be detected Face the location, number, size)

1. 设计在数组中查找数据模板函数 函数名: SeqSearch 参数名及顺序: 数组:list, 数据:key, 个数:n 返回: 成功:数据在数中的下标,失败: -1(1 designed to find the data in the array template function function name: SeqSearch parameter names and order: Array: list, data: key, number: n Returns: Success: Data on the number of the next standard, failed:-1)

说明：  nmf盲源分离，使用欠定的方法，可以用来分离两路语音信号，人声与其他音的分离(nmf_bss.The underdetermined method can be used to separate two voice signals, human voice and other voices.)

实现温度场分析，matlab的温度应用提供非常好的软件程序(Achieve temperature field analysis, matlab temperature applications to provide very good software programs)

gray mapping code for using matlab