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     In this paper, based on the envelope correlation algorithm, through the analyze of the properties of high-resolution range profiles(HRRP), using iterative envelope correlation algorithm to reduce the drift error and the influence of "sudden Jump phenomenon".
     本文在相邻相关包络对齐的基础上,通过对一维高分辨距离像特性的分析,采用对相关法多次迭代的方法,来减小相关对齐方法存在的漂移误差及“突跳现象”造成的影响。
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     Two different ways of modeling spatially correlated errors are considered,of which the neighborhood-correlation method is used to modify the parameters estimation,and the spatial autocorrelation estimation of residuals is proposed to directly estimate the residuals.
     文中提出了两种处理空间自相关的方法:把自相关加入残差协方差作参数的改进估计──相邻相关方法和把残差作区域化最优自相关估计──一般空间自相关方法.
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     Characteristics and nature of the Meso-Cenozoic great continental spreading basins in China and adjacent regions depend on the relative positions of the allied adjacent oceans.
     中国及邻区中新生代大型大陆扩张盆地的特点和性质取决于距离相邻相关大洋的位置。
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     According to the point scatterer model of target,this paper shows that the range profiles have strong correlation within the aspect change 0 1°,but with the increase of aspect change the correlation will decrease greatly due to cross term,which also shows that drift error will be caused when conventional neighbor amplitude correlation method is used to align the envelope.
     本文从目标的散射点模型出发 ,首先通过分析和实验研究表明 ,近角度 (转角变化小于 0 1°)距离像之间具有强相关性 ,但随着转角的增大 ,由于交叉项的影响 ,相关性急剧下降 ,这也表明用相邻相关法作包络对齐 ,会产生漂移误差 ;
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     strengthening the coordination with the adjoint and relevant areas;
     加强与相邻相关地区的协调;
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  相似匹配句对
     Correlation of Surface Keverberation Received by Adjecently Oriented Arrays
     相邻波束界面混响的相关特性
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     strengthening the coordination with the adjoint and relevant areas;
     加强与相邻相关地区的协调;
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     Interrelating Entropy
     相关
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     The frame includes aseries of guidelines 、process、related methods.
     相关的方法。
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     Economics and Contiguous Disciplines
     经济学和相邻学科
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A multivariate regrssion model with spatially correlated residuals for modeling spatial variation is specified in this paper.Two different ways of modeling spatially correlated errors are considered,of which the neighborhood-correlation method is used to modify the parameters estimation,and the spatial autocorrelation estimation of residuals is proposed to directly estimate the residuals.The prediction of gypsy moth(Lymantria dispar L.)damage is used as an example to compare the differences between the classical...

A multivariate regrssion model with spatially correlated residuals for modeling spatial variation is specified in this paper.Two different ways of modeling spatially correlated errors are considered,of which the neighborhood-correlation method is used to modify the parameters estimation,and the spatial autocorrelation estimation of residuals is proposed to directly estimate the residuals.The prediction of gypsy moth(Lymantria dispar L.)damage is used as an example to compare the differences between the classical regression mode and the modified regression model.The cross-validation results indicated that the new method is better than the old one.

提出了具有空间自相关残差的多变量回归问题,这种残差包括单点、局部和区域化三种尺度.文中提出了两种处理空间自相关的方法:把自相关加入残差协方差作参数的改进估计──相邻相关方法和把残差作区域化最优自相关估计──一般空间自相关方法.用森林对舞毒蛾危害敏感性概率的大范围估计为例,比较了传统回归方法和本文方法间的差异,交叉检验结果表明本文的方法明显优于直接回归方法,这说明加入空间自相关对空间回归问题是必要的.

Characteristics and nature of the Meso-Cenozoic great continental spreading basins in China and adjacent regions depend on the relative positions of the allied adjacent oceans. Intracontinental,epicontinental and marginal basins were respectively developed from the inland to the Meso-Cenozoic Tethys coast and Northwest Pacific coast,each having three series. These series are symmetrically arranged in feather-form.The general thrend is that the closer they are to the coasts,the stronger their activity,and the...

Characteristics and nature of the Meso-Cenozoic great continental spreading basins in China and adjacent regions depend on the relative positions of the allied adjacent oceans. Intracontinental,epicontinental and marginal basins were respectively developed from the inland to the Meso-Cenozoic Tethys coast and Northwest Pacific coast,each having three series. These series are symmetrically arranged in feather-form.The general thrend is that the closer they are to the coasts,the stronger their activity,and the newer their evolutionary generations. The basins were in a spreading state and belonged to geotectonic spreading units possessing orogeny in their devolopment period. They play a decisive role in mould-making of orogenic belt in detailed morphology and become the orogenic "mighty pillar" of mould-making.The Meso-Cenozoic orogeny of China and adjacent regions can be divided into three kinds:orogeny of continental spreading basin,orogeny of oceanic spreading basin and composite orogeny of oceanic-continental basin.

中国及邻区中新生代大型大陆扩张盆地的特点和性质取决于距离相邻相关大洋的位置。从陆内到中新生代特提斯洋岸和北西太平洋岸 ,分别发育了陆内、陆缘和边缘盆地 ,各有 3个系列 ,羽状对称排列 ,越近洋岸 ,活动性越强 ,演化世代越新。发育时期 ,盆地处于扩张状态 ,属于扩张性大地构造单元 ,具有造山作用 ,对于塑造造山带细部形态起决定性作用 ,成为造山带造形“砥柱”。中国及邻区中新生代造山作用有 3种类型 ,大陆扩张盆地造山作用、大洋扩张盆地造山作用和大洋 -大陆扩张盆地复合造山作用。

Range alignment is usually based on the correlation of range profile in ISAR imaging.According to the point scatterer model of target,this paper shows that the range profiles have strong correlation within the aspect change 0 1°,but with the increase of aspect change the correlation will decrease greatly due to cross term,which also shows that drift error will be caused when conventional neighbor amplitude correlation method is used to align the envelope.It is shown that by averaging over ten range profiles...

Range alignment is usually based on the correlation of range profile in ISAR imaging.According to the point scatterer model of target,this paper shows that the range profiles have strong correlation within the aspect change 0 1°,but with the increase of aspect change the correlation will decrease greatly due to cross term,which also shows that drift error will be caused when conventional neighbor amplitude correlation method is used to align the envelope.It is shown that by averaging over ten range profiles selected from the imaging needed range profiles with equal aspect change,the cross term can be restrained,and the stable average range profile can be obtained.The average range profile has strong correlation with all range profiles,and if it is used as template,then the accuracy of range alignment can be enhanced.An iterative correlation alignment method for range alignment is proposed by using global optimization criterion.Real data validate its effectiveness.

ISAR成像中的包络对齐通常是基于距离像之间的相关性 .本文从目标的散射点模型出发 ,首先通过分析和实验研究表明 ,近角度 (转角变化小于 0 1°)距离像之间具有强相关性 ,但随着转角的增大 ,由于交叉项的影响 ,相关性急剧下降 ,这也表明用相邻相关法作包络对齐 ,会产生漂移误差 ;之后 ,提出了通过在成像所需的距离像中散布选取十多次距离像作平均 ,抑制交叉项 ,就能得到稳定平均距离像 ,它和所有距离像具有强的相关性 ,把它作为相关模板进行对齐 ,能改善对齐效果 ;最后 ,提出整体最优准则包络对齐的迭代算法 ,实测数据也表明它比已有的方法要好

 
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