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空间估计
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  space estimation
     The study selects some representative methods of estimation in spatial variables as objects, including Inverse Distance Weighting in the traditional space estimation;
     本研究选取比较有代表性的几种空间估计方法:传统空间插值方法中的反距离加权法和趋势面法;
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  spatial estimation
     The theory of universal kriging spatial estimation with multiple time period and its application in hydrology
     多时段泛克立格空间估计理论及其在水文领域中的应用
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     Indicator Kriging is a nonparametric statistical method which can make spatial estimation without abandoning peculiar value of reservoir parameters.
     指示克立格是一种非参数统计方法,它能在不舍弃特异值的条件下进行有效的空间估计
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  “空间估计”译为未确定词的双语例句
     Estimates for Commutators of Strongly Singular Convolution Operators on Hardy Type Spaces
     强奇异卷积算子交换子的Hardy型空间估计
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     Methods: Based on the spatial correlation or auto correlation hypotheses, the variograms model and Kriging equations were built by spatial variable of disease, and computer automatization of medical Kriging mapping was carried out.
     方法 :在疾病空间相关 自相关假设下 ,定义疾病空间化变量 ,提出疾病空间变量的二阶平稳性假设 ,构造疾病空间变异函数模型 ,建立“克立格”空间估计方程组 ,实现“克立格”定量医学地图的计算机绘图自动化。
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     Error-Space Estimate Method for Synergic Target Tracking
     广义合作目标跟踪的误差空间估计方法
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     A quantitive comparison of these two algorithms is finally studied on the aspects of error analysis, time and space evaluation.
     最后从误差分析、时间估计、空间估计等方面对上述两种回波信号生成算法进行了深入量化的比较研究。
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     To calculate the number of marginal samples in the feature space of the kernel function,a method for estimation is also proposed.
     提出了将折中因子与间隔区域中样本的数量比例联系起来的加权支持向量机,并提出了一种在核函数特征空间估计间隔区域样本数量的方法。
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  相似匹配句对
     Selectivity estimation for spatial joins
     空间连接的选择性估计
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     RIGID MOTION PARAMETERS ESTIMATION
     刚体空间运动参数估计
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     b) a G-M estimator of ω'1α, ω'2β and ω'1α+ω'2β under L (Xβ, Aα; δ21V, δ22U} respectively.
     b)G-M估计
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     SPACE
     空间
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     An Estimator of Reflection Coefficients
     反射系数的估计
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  space estimation
Tactile-kinesthetic space estimation: The influence of gravity
      
The use of state-space estimation allowed the computation of smooth derivatives of the orientation data.
      
The morphological and functional integrity of everted rings was verified by histological examination, extracellular space estimation and assessment of glucose transport ability.
      
Also, any traditional adaptive scheme designed to follow the variations of at any point attempts a full-space estimation of the separating filter.
      
De-interlacing is necessary as temporal mismatch of odd-even scanlines can introduce significant errors to the pq-space estimation.
      
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  spatial estimation
This paper discusses the application of geostatistical spatial estimation techniques to estimate quantities used in transport modeling.
      
A Bayesian/maximum-entropy view to the spatial estimation problem
      
The purpose of this paper is to stress the importance of a Bayesian/maximum-entropy view toward the spatial estimation problem.
      
Certain fundamental results and attractive features of the proposed approach in the context of the random field theory are discussed, and a systematic spatial estimation scheme is presented.
      
Peter Sandstone in the Michigan basin, combines techniques for multivariate analysis and spatial estimation.
      
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A family of new signal subspace estimation methods is presented in this paper,with a vector contained in the signal subspace of a high dimensional space C~N being used to determine the signal subspace belonging to a lower dimensional space C~M(M

A family of new signal subspace estimation methods is presented in this paper,with a vector contained in the signal subspace of a high dimensional space C~N being used to determine the signal subspace belonging to a lower dimensional space C~M(M

本文提出了一类在空间信号完全相关环境下,准确估计信号子空间的方法。证明了在一定条件下,用属于高维空间C~N中信号子空间的单一矢量可以准确估计低维空间C~M(M

This paper deals with the problem of high-resolution angle of arrival estimation in the presence of coherent signal sources. The receiving antenna is restricted to uniform linear array of sensors.Special attentions are paid to the estimation of signal subspace by the array measurements. A general procedure is developed that, in the first place, estimate the vector (s)of the signal subspace in N(the number of the array elements)dimensonal vector space C, and secondly, estimate the orthogonal projection matrix...

This paper deals with the problem of high-resolution angle of arrival estimation in the presence of coherent signal sources. The receiving antenna is restricted to uniform linear array of sensors.Special attentions are paid to the estimation of signal subspace by the array measurements. A general procedure is developed that, in the first place, estimate the vector (s)of the signal subspace in N(the number of the array elements)dimensonal vector space C, and secondly, estimate the orthogonal projection matrix of a signal subspace in a lower dimensional space C, where M

阵列高分辨方向估计技术是近十年来十分活跃的研究课题,其中存在相干信号源时如何实现有效的高分辨问题是研究的重点之一。虽已提出了若干解决方法,但这一问题尚未得到满意地解决。本文从信号子空间的估计出发对上述问题作了进一步的研究,提出了在有相干信号源的环境下估计信号子空间的一般途径,我们称之为广义信号子空间估计方法。这一思想为研究更为有效的解决相干信号高分辨的方法提供了一条新的可能途径。文中给出了基于这种思想得到的几种算法及其部分模拟实验结果。

This paper presents at first the definitions of the space expanded by an array, the signal subspace and the noise subspace. Based on these deflnitions,a more systematic theory of the subspace method used in DOA estimation is described. Applying this theory, some'typical subspace methods ave obtained. The paper points out that the key for performing the DOA estimation, using subspace method, is as follows: a) how to divide the space expanded by an array into the signal and noise subspaces; b) how to estimate...

This paper presents at first the definitions of the space expanded by an array, the signal subspace and the noise subspace. Based on these deflnitions,a more systematic theory of the subspace method used in DOA estimation is described. Applying this theory, some'typical subspace methods ave obtained. The paper points out that the key for performing the DOA estimation, using subspace method, is as follows: a) how to divide the space expanded by an array into the signal and noise subspaces; b) how to estimate the signal direction vector by means of the signal subspace and/or the noise subspace. When the signal subspace or the noise subspace is known, the conditions of sweep vector which satisfies the unique direction estimation are given.

首先对基阵所张成的空间、信号子空间和噪声子空间给出了定义.通过这些定义对用于高分辩DOA估计的子空间方法,阐述了一个较为系统的理论,并且应用这个理论,对几种典型的子空间方法进行了分析.指出了用子空间方法进行DOA估计的关键是:第一,如何将基阵张成的空间划分为信号子空间和噪声子空间;第二.如何利用信号子空间和(或)噪声子空间估计信号方向矢量.给出了在已知信号子空间和噪声子空间的条件下,满足方位估计唯一性的控制矢量条件,并且给出了证明.

 
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