统计估计
- 网络Statistical Estimation
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无理数e的统计估计法
Statistical Estimation Method of Irrational Number e
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GIS叠置位置不确定度的统计估计方法
The Statistical Estimation Method of GIS Overlay Uncertainty
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一类Fuzzy测度的Fuzzy统计估计值
The Estimate Values of Fuzzy Statistics for a Class of Fuzzy measure
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基于非线性统计估计技术的PET散射校正
Scatter Correction of PET Based on Non-linear Statistical Estimate Method
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本文通过著名的匹配试验构造出了无理数e的统计估计公式,并讨论了该估计的性质。
Statistical estimation formula of irrational number e is constructed by famous Matching Experiment and the estimation ′ s properties are discussed in this paper .
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极大似然估计是统计估计领域中的一种流行的高阶统计(HOS)技术。
Maximum likelihood estimation ( MLE ) is a fundamental technique of higher order statistics ( HOS ) estimation .
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文中首次提出了用X2准则拟合实际图像中的信号区和背景区分布,并根据得到的统计估计值对光子图像进行处理的方法。
In this paper , for the first time we use X 2 ruler to calculate the signal photon and background photon distribution parameters for the image processing .
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本文设计了评估复杂可维修系统可靠度、瞬态可用度的蒙特卡罗方法,该方法利用Bootstrap方法作为框架,在计算可靠度和瞬态可用度的点估计时采用加权统计估计蒙特卡罗方法。
A Monte Carlo method for obtaining the reliability and availability confidence limits of complex maintenance system was designed based on the bootstrap method . In the spot estimation calculation , weighted statistic estimation Monte Carlo was used .
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估计育种值(EBVs)是种用猪遗传价值的统计估计值,是猪遗传改良方案中的一种新遗传评定系统。
Estimated Breeding Values ( EBVs ), a new genetic evaluation system on the swine improvement program , are statistical estimates of the genetic value of a pig for breeding purposes .
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导航系统白噪声误差特性的在线统计估计
The On - Line Statistic Estimation of White Noise Navigation Errors
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计算高可靠性系统失效概率的统计估计蒙特卡罗方法
Statistical Estimation Monte Carlo for Unreliability Evaluation of Highly Reliable System
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用非线性统计估计技术进行骨肿瘤X线图像的散射校正
Scatter removal by nonlinear statistical estimation technique for X-ray images of bone tumors
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真空灭弧室静态击穿电压的统计估计
Statistical Estimation of Static Breakdown Voltage of Vacuum Interrupters
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统计估计和推断的稳健性讨论
Discussion on the robustness of statisical estimate and inference
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基于统计估计的盲信号分离算法
Blind Signal Separation Based on Statistical Estimation
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据世界卫生组织(WHO)统计估计,每年大约有1600万人死于各种形式的心血管疾病。
WHO statistics estimate that 16 million people die from various forms of cardiovascular diseases annually .
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直接模拟法和统计估计法研究平面波通过离散随机介质的散射
Study of scattering of plane wave through discrete random medium by direct analogue and statistical estimation
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支持向量机是目前针对小样本统计估计和预测学习的最佳理论和识别方法,对得到的识别量应用支持向量机进行步态的分类和识别。
As support vector machine can solve small sample learning problems effectively , gait recognition is performed by support vector machine finally .
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但由于期望数据是未知的,需要进行统计估计,因此这些数据就不会没有误差。
However , the expected data is unknown , need to be statistical estimation , therefore , these data would not be without error .
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虽然需要一些概率统计估计,用来完全了解此处提出的概念,但是我已经争取将专业内容减小到最少。
While some appreciation of probability and statistics is needed to fully understand the concepts presented here , I have strived to minimize the technical content .
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模拟过程采用分区分群、简单加权和统计估计等技巧。
The technique of zoning and grouping method , together with the simple weighted approach and the technique of statistical estimation method were used in the simulating procedure .
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因为我们对噪声的统计估计的越准确,我们所得到的系统状态的估计也就越准确,这样才能保证正确的系统参数的估计。
The more precisely we estimate the noise correlation matrices , the more accurate hidden system states we will obtain , which guarantees the precision of the system parameter estimation .
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在相似仿真方法的基础上,设计了计算系统失效概率的统计估计蒙特卡罗方法,包括直接统计估计和加权统计估计蒙特卡罗方法。
Based on analog Monte Carlo simulation , statistical Monte Carlo methods for unreliable evaluation of highly reliable system are constructed , including direct statistical estimation Monte Carlo method and weighted statistical estimation Monte Carlo method .
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该算法采用统计估计权值分布的方法,并通过约束权值的搜索范围,有效地去除了伪权值估计带来的干扰,适用于各种瞬时混合信号的分离。
The algorithm effectively eliminates the disturbance of pseudo result by statistically estimating the distribution of the elements of un-mixing matrix and restricting the searching range . It is high efficient for the separation of different instantaneous-mixed signals .
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针对状态估计中的参数误差问题,通过实验的方法,统计估计误差、残差、目标函数三项指标,深入分析了参数误差对状态估计的影响。
The three indicators of estimated error , residual tolerance and objective function are collected statistics through ex-perimental method , paying much attention to parameter error in status estimation , and the effect of parameter error on the status estimate is analyzed comprehensively .
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江苏能源消费Logistic模型的统计检验估计法及预测
Statistical Verifying Estimation and Application of Logistic Model in the Forecast of Energy Consuming in Jiangsu Province
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论证了数理统计中估计理论(以下称经典估计)的有效性准则不成立,算术平均值x不是最优估计量;
It is demonstrated that the " validity " criterion of the theory of estimation in mathematical statistics ( named classic estimate later ) isn 't right and arithmetical average value x isn 't the best estimate .
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该方法首先利用测量的波达时间(TOA)和NLOS传播时延的统计特性估计由NLOS引起的附加时延;
First , the excess delay caused by the NLOS propagation is estimated using the measured time of arrival ( TOA ) and the statistical property of NLOS propagation ;
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介绍了OFDM的多载波CDMA系统上行链路中的一种盲信道估计算法。通过分析接收端的信号,利用接受信号和已知扩频码的二阶统计性估计出目标用户的信道脉冲响应。
In this paper the authors introduce a blind channel estimation algorithm of uplink for multicarrier CDMA system based on OFDM , then analyse the received signal and use the second order statistics of the received and the expected spreading sequence to estimate the channel impulse response .
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获得应力在设计基准期〔0,T〕内的最大值概率分布及统计参数估计;正态-复合非时齐Poisson过程模型结构可靠度及结构可靠性当量正态设计表达式。
Obtains the formulas of probability distribution of maximum and statistical parameter estimation , the formulas of the structural reliability and of design of equivalent normal random variable of structural relia-bility for normal distribution-compound non-homogeneous poisson process model , the standard period [ 0 , T ] of the design .