Search - MATLAB density function

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[Communication] Application_and_Study_of_Matlab_on_Time-frequency_ DL : 0: 基于matlab的信号时频分析仿真 MATLAB 软件在多个研究领域都有着广泛的应用。其中,它的频谱分析和滤波器的分析设计功能很强,从而使数字信号处理变得十分简单、直观。本文介绍了时频分析基础理论及一些应用,运用MATLAB 语言实现了旨在构造一种时间和频率的密度函数,以揭示信号中所包含的频率分量及其演化特性的wigner-ville 分布。-Matlab-based time-frequency signal analysis and simulation software MATLAB in a number of research fields as wide Pan application. Among them, its spectrum analysis and the analysis of filter design function very strong, so that the digital signal processing is very simple. intuitive. This paper presents a time-frequency analysis of basic theory and some applications, use MATLAB to the structure of a time and frequency density function, to reveal the signal contained in the frequency components and evolution of the air to air-ville distribution.
Date : 2008-10-13 Size : 159.71kb User : yangkai
[Other] 2p DL : 0: 基于随机过程的莱斯表达式产生窄带随机过程： 2、掌握窄带随机过程的特性，包括均值（数学期望）、方差、相关函数及功率谱密度等。 -Rice random process based on the expression of narrow-band random process generated: 2, grasp the characteristics of narrow-band random process, including the mean (mathematical expectation), variance, correlation function and power spectral density and so on.
Date : Size : 44kb User : kevin
[matlab] power DL : 0: MATLAB环境下的直接法间接法和welch法源程序和谱密度函数的曲线比较-MATLAB environment direct and indirect source Welch law and spectral density function of the curve
Date : Size : 55kb User : 凌丽
[GIS program] p DL : 0: 基于马尔萨斯及Logistic人口模型，本文做了相应改进，根据已有数据确立了我们的人口模型。人口净增长率与人口密度比是简单常数值或者是简单的指数函数，所建立的模型来预测人口总数都是不完备的，所以我们假定人口净增长率是随总人口变化的函数，而这个函数是我们通过数据拟合可以近似得到的，由人口净增长率函数的确立，我们可以以微分方程的形式建立人口模型-Based on the Malthusian and Logistic population model, this article has done a corresponding improvement in the data has been established according to our population model. Net population growth rate and population density of more than a simple constant value, or a simple exponential function, the model to predict the total population are incomplete, so we assume that the net population growth rate is changing with the function of the total population, and this function is fitted, we can approximate the data obtained by the population net growth rate of established function, we are able to establish a population in the form of differential equation model
Date : Size : 193kb User : laiwei
[matlab] kde.tar DL : 0: kde全称是kernel density estimation.基于核函数的概率密度估计方法。是模式识别中常用的算法之一-KDE which is kernel density estimation is used to estimate probabilty function. It is mostly used in pattern recogntion
Date : Size : 2.17mb User : herman
[Algorithm] codes DL : 0: 基于累计量的奇异值－总体最小二乘法求AR参数用奇异值－总体最小二乘法求AR参数一般最小二乘法求AR参数根据AR参数和自相关函数以及AR阶数用Cadzow谱估计子求出频谱密度-Based on the cumulative amount of singular value- total least squares method for AR parameter using singular value- total least squares method for AR parameter ordinary least squares method for AR parameter in accordance with AR parameters and the autocorrelation function, as well as the order of AR spectral estimation using Cadzow sub-spectrum density obtained
Date : Size : 2.89mb User : miaohaochun
[Other] suij DL : 1: 用Matlab产生一满足条件的窄带随机过程，编写子程序计算该随机过程的均值函数，自相关函数，功率谱，包络，包络平方及相位的一维概率密度画出相应的图形-Generated using Matlab to meet the conditions of a narrow-band random process, the preparation of random process subroutine to calculate the mean function, auto-correlation function, power spectrum, envelope, square envelope and phase probability density of the one-dimensional graphics to draw the corresponding
Date : Size : 1kb User : qiwenchao
[Other] lubangkongzhixitongfangzhen DL : 0: 鲁棒控制系统仿真统计工具箱简介 MatLab中Statistics工具箱里的各种密度函数和分布函数的作图命令-Robust control system simulation toolbox Profile Statistics Statistics Toolbox in MatLab in the various density function and distribution function of the mapping order
Date : Size : 6kb User : wanbing
[matlab] PSD DL : 0: 利用最大值熵法和PSD函数法分别求信号的功率谱密度。-The use of maximum entropy method and the PSD function method for seeking signals in the respective power spectral density.
Date : Size : 3kb User : chenjuntang
[Other] GenerationOfTheLog-normalDistributionClutter DL : 0: 本程序已被本人整理到WORD文档中，编程语言为MATLAB，本文设计的滤波器采用傅里叶级数展开法。模拟的杂波的功率谱密度采用BVURG法，概率密度函数的估计采用直方图估计法，设计参数皆在文档中表明。此程序已经验证是正确可执行的，并能生成图形，值得下载！-This program has been organized into WORD document I, the programming language MATLAB, the filter designed in this paper Fourier series expansion method. Simulated clutter power spectral density using BVURG method, the probability density function is estimated using histogram estimation methods, design parameters are indicated in the document. This procedure has been verified is correct executable, and can generate the graph, it is worth to download!
Date : Size : 4kb User : biggirl
[GPS develop] matlab_BOC DL : 0: 关于GPS中BOC信号的产生，功率谱密度仿真，自相关函数以及与C/A码的互相关仿真程序。能够有效的对BOC信号的特性进行分析-On the GPS in the BOC signal generation, power spectral density simulation, the autocorrelation function as well as with the C/A code cross-correlation simulation program. Of the BOC can effectively analyze the characteristics of the signal
Date : Size : 8kb User : LJJ
[Crack Hack] DBSCAN DL : 0: Matlab --- --- --- --- --- --- --- --- --- --- --- --- - Function: [class,type]=dbscan(x,k,Eps) ------------------------------------------------------------------------- Aim: Clustering the data with Density-Based Scan Algorithm with Noise (DBSCAN) -Matlab ------------------------------------------------------------------------- Function: [class,type]=dbscan(x,k,Eps) ------------------------------------------------------------------------- Aim: Clustering the data with Density-Based Scan Algorithm with Noise (DBSCAN) -------------------------------------------------------------------------
Date : Size : 2kb User : Fouad Jasser
[matlab] csd_of_communication_signals DL : 0: 循环谱密度函数matlab代码，介绍清楚详细，值得借鉴，好东西-Cyclic spectral density function matlab code, clear and detailed description, to be learned, good things
Date : Size : 2kb User : handemin
[matlab] 65735462corre_spectrum DL : 0: 方便准确的计算信号的互相关函数和互相关功率谱密度。-To facilitate accurate calculation of the signal cross-correlation function and cross-correlation power spectral density.
Date : Size : 1kb User : xuchunmin
[Algorithm] random-variable DL : 0: 已知二维随机变量(X，Y)的联合概率密度利用MATLAB的符号运算功能，求待定系数A；P{X>1，Y>2}；边缘分布 -Known two-dimensional random variable (X, Y) the joint probability density function using MATLAB' s symbolic computation, seeking undetermined coefficients A P {X> 1, Y> 2} marginal distribution
Date : Size : 10kb User : xiaoxia
[matlab] SEAWATER DL : 1: 用于海洋密度计算和绘图的程序包可以直接调用相关函数-Density calculation for the ocean and drawing packages can be directly related to the function call
Date : Size : 49kb User : shi
[matlab] fenbu DL : 0: 已知一组数据,如何用matlab画出它的概率密度分布图,给出具体程序并且得出分布图后,如何对图进行积分,进而得到分布函数-Given a set of data, how to draw it with matlab probability density distribution maps, specific procedures are given and draw maps, how points on the graph, and then by distribution function
Date : Size : 1kb User : 丫丫
[matlab] iteration DL : 2: 采用U函数余项式反演三维密度界面，其布格重力异常采用Parker法计算-U-function density of more than three-dimensional inversion-type interface, the Bouguer gravity anomaly calculated using Parker
Date : Size : 3kb User : 冯亦晨
[matlab] work DL : 0: 自制，绘制常用 Copula函数的概率密度函数图。(Drawing density function diagram of commonly used Copula functions)
Date : Size : 1kb User : 笑老
[Special Effects] homework_3rd_question DL : 1: 道床加速度时程曲线。功率谱密度函数图。1/3倍频程Z振级频谱图。道床Z振级VLz（dB）。(Acceleration time history curve of ballast. Power spectral density function. Frequency spectrum of 1 / 3 octave Z vibration level. Ballast Z vibration level vlz (DB).)
Date : Size : 6kb User : tangsiyan

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