probability density的例句大全

Some blind signal separation algorithms estimate the probability density function of the sources, with which then calculate the score function.

有些算法先估计信号概率密度，进而估计出评价函数，但是算法的复杂度高。

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Three methods are discussed: using fixed probability density function, adaptive probability density function and approximating the score function.

本文讨论了三个方法：使用固定的概率密度函数，自适应的调节概率密度函数和逼近品质函数。

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An introduction is Made of the method of using the weight of probability density function of error distribution law to conduct anti-error estimation.

文中主要介绍了利用误差分布律概率密度函数定权来进行抗差估计的一种方法。

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Based on the mechanical test results of a powder metallurgy material, the probability density function curves of the creep/ fatigue life at different temperatures are obtained by use of expertise, together with information and actual data of similar materials.

基于某粉末冶金材料的力学性能试验结果，结合专家经验、同类产品信息和现场数据，得到了该材料的蠕变寿命和疲劳寿命在不同温度下的概率密度分布曲线；

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Replacing the summation of random vectors by that of their high order moments and through the matrixing of 2n-order moments of given vectors by square of moments, the cumulative probability density function represented by Laguerre polynomials are obtained.

用随机矢量X、Y分量的高阶矩求和代替随机矢量求和运算，再用矩量平方换算给出矢量和的2n阶矩，得到用Laguerre多项式描述的概率密度函数。

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These theorems show that when the probability density of the noise in seismic records is unknown, the method of adding a new noise can be used to recover amplitude of seismic signal with sign-bit processing, but the new noise must be in uniform distribution.

这些定理指出，在地震记录的干扰特性不知道时，可采用叠加随机噪声的方法进行符号位地震记录振幅恢复，但是该随机噪声的概率密度必须为均匀分布。

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This paper discusses theoretically the problem of recovering true amplitude of sign-bit seismic recording. It gives respectively the error formulas in recovering true amplitude when probability density of random noise is in uniform distribution and in normal distribution.

本文从理论上讨论了恢复符号位地震记录真振幅的问题，分别提出了随机噪声的概率密度呈均匀分布和正态分布时恢复真振幅的误差公式。

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Monte Carlo weight-varing rejection sampling method for non-normalized probability density function is discussed, and applied to the simulation study of orthopositronium's 3 γ annihilation, correct results are obtained, and a suggestion for experiment is made.

此文讨论了非归一几率密度函数的蒙特卡罗变权重舍选抽样方法，并将其应用于低能电子偶素三光子湮灭的模拟研究，得到了正确可靠的结果，且对实验方案提出了建议。

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As the test scheduling problem has been verified to be NP problem, this dissertation adopts a new optimization algorithm based on probability density distribution called cross-entropy method for test scheduling.

由于测试调度问题已被证明属于NP完全问题，本文采用一种新的基于概率密度分布的优化算法&交叉熵方法，对其进行求解。

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The algorithm is based on Bayesian decision machinery, with estimation of the structure from probability density function, for two-class problems. ( 3) The paper gives out a semi-supervised learning algorithm based on FCM.

该算法基于贝叶斯决策理论，通过概率密度函数进行分布估计，对两类别半监督学习问题进行判定。（3）给出了一个基于FCM的半监督学习算法。

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The pre-knowledge of the probability density function is used in the noise sample's classification, clustering and unsupervised parameter estimation.

通过对噪声样本进行数据挖掘和模式识别，在线学习噪声的实时特性，获得其概率密度函数的先验知识，应用此先验知识进行样本聚类、分类、无监督学习并对噪声参数进行精确估计。

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According to current continuity equations and Poisson's equation, a complete analytic function for recombination probability density, current density and recombination efficiency was given.

－3.根据有机发光器件中激子的解离模型及电流连续性方程和Poisson方程，导出－＿了其复合几率密度、电流密度及复合效率的解析式。

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Based on Statistical Theory of Pulse Signal Flow, a statistical model for one-dimension probability density function ( PDF) of electromagnetic interference pulse flow caused by group electromagnetic interference sources is discussed in this paper. This model has universality.

使用脉冲信号流统计理论，建立了由群体电磁干扰源产生的电磁干扰脉冲流的一维概率密度函数（pdf）统计模型，具有普遍性特点。

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The application of probability density registered method to compiling the map of regional groundwater background value

应用概率密度套合法编制区域地下水环境背景值图的探讨

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In sports biomechanics and physical statistics there are many concepts and principles dealing with physics and mathematics such as free degree, principle of conservation of angular momentum, probability density function, principle of little probability event.

在运动生物力学和体育统计中，有许多物理学及数学的概念和原理，例如自由度、动量矩守恒原理、概率密度函数、小概率事件原理等。

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The localization of salient feature points in image is converted into a problem of probability density estimation, the new computational model of visual attention is introduced and combined with the process of Mean-Shift so that the key feature points are produced.

将图像特征显著点的定位转化为概率密度估计问题，引入新的注意计算模型并结合Mean-Shift处理得到关键特征点。

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The Laplace transform method is found as an effective method to solve the integral issue of probability density under complex constraint.

用Laplace变换法有效地解决了复杂约束条件下概率密度函数的积分问题，并给出体系中层数较少时极限分布的表达式。

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Under the Gaussian hypothesis, probability density functions and numerical characters such as mean, variance and hybrid 2nd order moment of the instantaneous polarization projection vector ( IPPV) of TV-EMWs are studied in this paper.

在正态假设下，研究了时变电磁波瞬态极化投影矢量（IPPV）的概率分布和均值、方差、混合二阶矩等数字特征，得到了电磁波IPPV一些重要统计性质。

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Speech Separation Based on Gaussian Mixture Model Probability Density Function Estimation

基于高斯混合密度函数估计的语音分离

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Probability Density Function Approximation Using Gaussian Mixture Model

利用高斯混合模型实现概率密度函数逼近

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