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估计空间
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  estimation space
     In order to determine the optimum sounding conditions for infrared remote sensing of the atmosphere we carried out numerical experiments, utilizing an estimation space with three eigenstates which possess different properties and correlate each other. As a result, we come to the conclusion that in different estimation space using different eigenstates as a criterion, a quite different optimum group of independent channels can he obtained, even for the same thermal sounding.
     利用估计空间三类不同性质又相互联系的特征态,对红外大气间接遥测的最佳探测条件作了数值试验,结果表明:对同样的热探测问题,使用不同性质的特征态作判据,可以得到相当不同的一组独立通道数.
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  “估计空间”译为未确定词的双语例句
     Moreover, the estimations of the Fourier transforms of the distributions in H(p,∞,G), some multiplier theorems on H_α(p, ∞,G)and the interpolation theorem of operators in H_α(p,∞,G) are given.
     还给出了空间H(P,∞,G)的分布的Fourier变换估计,空间H_a(p,∞,G)上的乘子定理,以及算子插值的定理.
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     Space spectrum estimation concerns direction of arrival(DOA) of signals.
     空间谱估计主要研究在处理带宽内估计空间信号的到达方向(DOA)。
短句来源
     Based on the traditional direction of arrival(DOA) estimation method of spatial signals by means of FFT, a dual uniform linear array and the relevant DOA estimation method were designed for spatially confined signals.
     在传统的快速傅立叶变换 (FFT)估计空间信号波达方向 (DOA)方法的基础上 ,针对信号集中在一定空间区域里的情况 ,设计了一种双均匀线阵及相应的DOA估计方法 .
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     Based on the nonlinear programming neural networks subject to no constraints,this paper presents a real time method for direction-of-arival estimation of spatial signal sources. Simulation results are given.
     文章在无约束非线性规划神经网络模型的基础上,提出了一种实时估计空间多个信号到达方向的方法,并给出了模拟结果。
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     Reseach on Size of Space Object Estimated from RCS
     利用RCS序列估计空间目标尺寸的方法研究
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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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     SPACE
     空间
短句来源
     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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     \$ estimation.
     估计的残差
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  estimate space
The analytical solutions for the potentials and electrical fields are derived, assuming bunches of spherical shape with homogeneous and parabolic particle distributions to estimate space charge effects of intense particle beams.
      
And subspace projection algorithm is employed to estimate space-time signature vectors blindly.
      
Using satellite telemetry and aerial counts to estimate space use by grey seals around the British Isles.
      


In order to determine the optimum sounding conditions for infrared remote sensing of the atmosphere we carried out numerical experiments, utilizing an estimation space with three eigenstates which possess different properties and correlate each other. As a result, we come to the conclusion that in different estimation space using different eigenstates as a criterion, a quite different optimum group of independent channels can he obtained, even for the same thermal sounding.

利用估计空间三类不同性质又相互联系的特征态,对红外大气间接遥测的最佳探测条件作了数值试验,结果表明:对同样的热探测问题,使用不同性质的特征态作判据,可以得到相当不同的一组独立通道数.

The effects of gravity and thermocapillary convection in the liquid bridge with different aspect ratio L/D are studied in the present paper. Two flow cells appear in the liquid bridge. If L/D is longer, however, the flow pattern is not necessarily associated with the thermocapillary oscillatory convection. In order to simulate the space microgravity situation on the ground laboratory, the height of the liquid bridge must be smaller than, for example, 1.5mm. The convection and thermal transportation in a liquid...

The effects of gravity and thermocapillary convection in the liquid bridge with different aspect ratio L/D are studied in the present paper. Two flow cells appear in the liquid bridge. If L/D is longer, however, the flow pattern is not necessarily associated with the thermocapillary oscillatory convection. In order to simulate the space microgravity situation on the ground laboratory, the height of the liquid bridge must be smaller than, for example, 1.5mm. The convection and thermal transportation in a liquid bridge in microgravify environment can be estimated according to the experimental results on the ground, for the distribution of flow field and temperature in microgravity environment is between the cases of upper rod heated and lower rod heated, respectively, on the ground.

本文讨论重力对不同高度、直径比液桥的热毛细对流的影响。当液桥高度、直径比增大时,液桥中的等流函数线呈双涡结构,这种流动图样并不必然与热毛细振荡流相联系。在地面热毛细对流实验中模拟空间微重力情况,液桥高度需小于1.5mm。在微重力环境中,液桥内的流场和温度分布介于地面相同参数液桥的上部加热和下部加热两种结果之间。因此,可以用地面实验结果估计空间液桥的对流和热输运情况。

This paper studied some problems of multivariate geostatistics which involve four parts. 1, Bas;c hypothesis of multivariate geostatistics, include coregionalized variable, cross-variogram, cross-covariance, the statio-narity of order 2 and the intrinsic hypothesis of coregionalized variables; 2, coregionalization matrices; 3, Linear model of coregionalization; 4, The best estima ted methods for multivariate geostatistics include estimation of the regionalized variables with cokriging, estimation of the spatial...

This paper studied some problems of multivariate geostatistics which involve four parts. 1, Bas;c hypothesis of multivariate geostatistics, include coregionalized variable, cross-variogram, cross-covariance, the statio-narity of order 2 and the intrinsic hypothesis of coregionalized variables; 2, coregionalization matrices; 3, Linear model of coregionalization; 4, The best estima ted methods for multivariate geostatistics include estimation of the regionalized variables with cokriging, estimation of the spatial components and estimation of the regionalized factors.

研究多元地质统计学涉及以下方面的若干问题:(1)多元地质统计学的基本假设,包括:协同区域化变量、互变异函数、互协方差以及协同区域化变量的二阶平稳假设和内蕴假设;(2)协同区域化矩阵;(3)协同区域化的线性模型;(4)多元地质统计学的最佳估计方法,包括用协同克立格法对区域化变量的估计、空间分量的估计以及区域化因子的估计。

 
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