ask_fsk_dpsk

程序包包含的验证方法，会根据以下的多个指数分配系数(Partition Coefficient)，分类熵Classification Entropy ，分区索引，分离指数（Separation Index），Xie and Beni s的索引，严重聚类的算法(Package contains the authentication method will be based on the following number of index coefficient (Partition Coefficient), classification entropy Classification Entropy, geographical index, separation index (Separation Index), Xie and Beni s index, a serious clustering algorithm)

谱密度的计算 用于水文时间序列的周期分析(Cycle analysis of the calculation of the spectral density for hydrological time series)

HOG（Histogram of Oriented Gradient）方向梯度直方图，主要用来提取图像特征，最常用的是结合svm进行行人检测。(HOG (Histogram of Oriented Gradient) direction of the gradient histogram is mainly used to extract image features, the most commonly used is a combination of svm detect pedestrians.)

传统的宽带信号中抑制正弦干扰的方法是采用陷波器(notch filter),为此需要精确知道干扰正弦的频率.然而当干扰正弦频率是缓慢变化时,且选频率特性要求十分尖锐时,则最好采用自适应噪声抵消的方法.下图是用一个二阶FIR的LMS自适应滤波器消除正弦干扰的一个方案。该代码实现了以下功能： 1) 借助MATLAB画出了滤波器的误差性能曲面和误差性能曲面的等值曲线； 2） 给出了最陡下降法以及LMS算法的计算公式； 3） 用MATLAB产生了方差为0.05, 均值为0白噪音S(n)，并画出某次采样得到的波形； 4） 根据 2）中的公式，并利用 3）中产生的S(n)，在 1）中的误差性能曲面的等值曲线上叠加画出了采用最陡下降法以及LMS法时H(n)的在叠代过程中的轨迹曲线； 5）用MATLAB计算并画出了LMS法时误差随时间n的变化曲线（对应S(n)的某一次的一次实现）和e(n)波形； 6）在 1）中的误差性能曲面的等值曲线上，叠加画出采用LMS法得到的100次实验中的H(n)的平均值的轨迹曲线； 7）最终对结果进行了分析，具体见压缩包的word文档。 (Wideband signal in the conventional sinusoidal interference suppression method is the use notch filter (notch filter), this requires precise knowledge of the frequency of a sinusoidal interference . However, when the interference frequency sinusoidal changes slowly , and the selected frequency characteristic requirements are very sharp , then best use of adaptive noise cancellation method . following figure is a second-order FIR LMS adaptive filter to eliminate a program sinusoidal interference . The code implements the following functions:   A ) draw with MATLAB error performance of the filter surface and the surface contour error performance curve 2 ) gives the steepest descent method and the LMS algorithm formula 3 ) generated using MATLAB variance of 0.05 with a mean of 0 white noise S (n), and draw a particular sampling waveform 4 ) based on 2 ) of the formula , and use 3 ) generated in S (n), in a ) the error performance curves superimposed on the surface contour pl)

说明：  基于matlab实现的短时傅里叶变换，小波变换和emd分解(MATLAB realizes short time Fourier transform, wavelet transform and AMD decomposition)

此文档用于指导matlab图形化界面的设计，对于良好界面，实验平台的生成有所帮助(This document is for guidance matlab graphical interface designed to help generate good interface, experimental platform)

说明：  这是用于matlab的lssvm时序预测算法，亲测可用(This is the lssvm timing prediction algorithm for matlab, pro test is available)

多旅行商问题matlab程序，可能比较简单，大家交流交流(mtsp matlab)

PYTHON programming: AN INTRODUCTION TO COMPUTER SCIENCE by JOHN ZELLE

对农产品的销量进行预测，首先是归一化处理，再用LSSVM进行预测(To predict agricultural product sales, the first is normalized, and then LSSVM forecast)