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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 funct
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MeanShift算法是一种无参概率密度估计法,算法利用像素特征点概率密度函数的梯度推导而得, MeanShift算法通过迭代运算收敛于概率密度函数的局部最大值,实现目标定位和跟踪,也能对可变形状目标实时跟踪,对目标的变形,旋转等运动也有较强的鲁棒性。MeanShift算法是一种自动迭代跟踪算法,由 MeanShift补偿向量不断沿着密度函数的梯度方向移动。在一定条件下,MeanShift算法能收敛到局部最优点,从而实现对运动体准确地定位。-MeanShift algorithm is a no
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统计直方图 matlab 概率密度函数和统计直方图的拟合-Histogram matlab probability density function and a histogram fitting
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无迹Kalman滤波利用无迹变换在估计点附近确定采样,用这些样本点表示的高斯密度近似状态的概率密度函数。-Unscented Kalman filtering uses the unscented transform to determine the probability density function of the Gaussian density approximation state, which is represented by these sample points.
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Matlab examples used for hypergeometric probability density function.
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符合瑞利包络的杂波功率谱与幅度概率密度函数。-The spectral power spectrum and amplitude probability density function of Rayleigh envelope
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歪度指标是描述信号概率密度函数的重要参数。在对非平稳信号进行时域分析时,利用歪度指标反映了振动信号的非对称性,用来判断轴承是否发生碰磨。本文件中将歪度指标独立制作了子VI,便于labview程序调用。(The skewness index is an important parameter to describe the probability density function of a signal. When the non-stationary signals are analyzed i
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常用的盲分离算法有二阶统计量方法、高阶累积量方法、信息最大化(
Infomax
)以及独
立成分分析(
ICA
)等。这些方法取得最佳性能的条件总是与源信号的概率密度函数假设有关,
一旦假设的概率密度与实际信号的密度函数相差甚远,分离性能将大大降低。本文提出采用
核函数密度估计的方法进行任意信号源的盲分离,并通过典型算例与几种盲分离算法进行了
性能比较,验证了方法的可行性。(The commonly used blind separation algorithms include
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通过寻找一组在状态空间中传播的随机样本来近似的表示概率密度函数,用样本均值代替积分运算,进而获得系统状态的最小方差估计的过程(By finding a set of random samples propagating in the state space to approximate the probability density function, the sample mean is used instead of the integral operation to obtain the
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雨流幅值分布函数Dirlik模型,可用于进行随机载荷振动疲劳寿命分析(rainflow cycle amplitude probability density function p(S) by Dirlik)
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本实验的目的是学习Parzen窗估计和k最近邻估计方法。在之前的模式识别研究中,我们假设概率密度函数的参数形式已知,即判别函数J(.)的参数是已知的。本节使用非参数化的方法来处理任意形式的概率分布而不必事先考虑概率密度的参数形式。在模式识别中有躲在令人感兴趣的非参数化方法,Parzen窗估计和k最近邻估计就是两种经典的估计法。(The purpose of this experiment is to study the Parzen window estimation and the k nea
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用于Weibull分布概率密度函数拟合林分直径分布的代码,对其进一步的分析有一定的帮助!(The code of Weibull distribution probability density function fitting forest stand diameter distribution has certain help to its further analysis!)
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计算levy函数工具箱,包括概率密度函数的求解和随机数的生成等(Calculate the probability density function of levy stable distribution)
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高斯模型就是用高斯概率密度函数(正态分布曲线)精确地量化事物,将一个事物分解为若干的基于高斯概率密度函数(正态分布曲线)形成的模型。(Gaussian model is to use Gaussian probability density function (normal distribution curve) to accurately quantify things, a thing is divided into several based on the Gaussian probabi
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We describe an innovative methodology for determining the quality of digital images. The method is based on measuring the variance of the expected entropy of a given image upon a set of predefined directions(Entropy can be calculated on a local basis
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粒子滤波的MATLAB实现,通过寻找一组在状态空间中传播的随机样本来近似的表示概率密度函数,用样本均值代替积分运算,进而获得系统状态的最小方差估计的过程,这些样本被形象的称为“粒子”,故而叫粒子滤波(MATLAB implementation of particle filter,By looking for a set of random samples which are propagated in the state space to approximate the probability
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常见噪声概率密度函数代码,高斯噪声、椒盐噪声等(Common noise probability density function code)
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针对随机结构随机激励下的动力响应概率分布求解,基于广义概率密度方法(the calculation of the generalized probability density function)
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在Matlab环境中编制了以雨流计数法为理论基础的二维载荷谱程序,用以对混合动力电动车电机驱动系统载荷时间历程进行统计处理,得到载荷幅均值雨流矩阵,进行幅均值各自分布假设检验,以及独立性和相关性检验,获得二维联合分布概率密度函数,建立混合动力电动车电机驱动系统台架试验用二维载荷谱.(Prepared in Matlab environment of the rain flow counting method with the theoretical basis of the two-dimens
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(1)产生N(0,1)正态分布的随机过程;
(2)产生正态分布随机过程外的任意一种随机过程;
(3)对随机过程的性能进行评估,包括概率密度函数、分布函数、均值、方差和相关函数。((1) The stochastic process of generating N(0,1) normal distribution;
(2) generating any random process outside the normal distribution random process;
(3) evalua
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