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海面物体
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  sea object
     Research on General Physical Model for Simulation of Infrared Image of Sea Object
     海面物体热像模拟的通用物理模型研究
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  “海面物体”译为未确定词的双语例句
     With the help of computer, it is possible to simulate sea waves indoor by using some known environment conditions, and then the influence of sea wave on the object in the sea can be simulated as well.
     计算机的普遍使用,按已知的这个环境条件在室内复演海浪已成为现实,进而可以模拟海浪对海面物体的影响。
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  相似匹配句对
     Research on General Physical Model for Simulation of Infrared Image of Sea Object
     海面物体热像模拟的通用物理模型研究
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     Architecture Object
     建筑物体
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     Reconstruction of a complex-valued object function
     复物体的恢复
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     Simulation of Sea Clutter
     海面杂波模拟
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     Oil Spreading on the Sea
     海面油层扩展
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  sea object
Multipath maximums in the correlation function of a wideband noise signal produced by a sea object: Noise immunity of their extr
      
The noise immunity of the procedures used for extracting the local maximums of the autocorrelation and cross-correlation functions of a wideband noise signal produced by a sea object is studied.
      
Warships have a variety of radar and other sensing devices for surface, aerial and sub-sea object detection.
      


Random sea waves are created by gust wind above the sea, which are different in height and length. This phenomenon can not be depicted properly by classical hydromechanics. Sea waves have been regarded as a random process for several decades, and the concept of sea wave spectrum has been introduced. A series of research results of sea wave spectrum have unveiled the environment features of short sea wave which are suitable for aerospace, shipbuilding industry and ocean exploitation and utilization. With the...

Random sea waves are created by gust wind above the sea, which are different in height and length. This phenomenon can not be depicted properly by classical hydromechanics. Sea waves have been regarded as a random process for several decades, and the concept of sea wave spectrum has been introduced. A series of research results of sea wave spectrum have unveiled the environment features of short sea wave which are suitable for aerospace, shipbuilding industry and ocean exploitation and utilization. With the help of computer, it is possible to simulate sea waves indoor by using some known environment conditions, and then the influence of sea wave on the object in the sea can be simulated as well.

海面上的阵风会引起高低不一、长短不等的杂乱海浪。经典流体力学的观点和结论已不能描述这种现象。数十年来,一直把杂乱海浪看作是随机场(过程)而加以研究,并导出海浪能谱的概念。使用关于海浪能谱的一系列研究成果,已能较充分地反映海面短波环境特征,提供航空、航海和海洋开发利用所需的环境条件。计算机的普遍使用,按已知的这个环境条件在室内复演海浪已成为现实,进而可以模拟海浪对海面物体的影响。

This paper presents the theoretical evaluation for the laser scattering from the waved seawater surface with the random facet model and the depolarization property of the seawater surface. The numerical results show that the scattering light is partly depolarized in all direction except the backward. If the local incident angle equals to the Brewster angle, the scattering light will be linearly polarized for any incident laser. A simulating experiment was done to verify the theoretical analysis, and the result...

This paper presents the theoretical evaluation for the laser scattering from the waved seawater surface with the random facet model and the depolarization property of the seawater surface. The numerical results show that the scattering light is partly depolarized in all direction except the backward. If the local incident angle equals to the Brewster angle, the scattering light will be linearly polarized for any incident laser. A simulating experiment was done to verify the theoretical analysis, and the result agrees well with the calculating one.

基于随机面元模型 ,建立了海面对激光散射的理论模型 ,详细分析了海面散射的退偏振特性。理论分析表明 :除后向外其它方向的散射光都存在部分退偏振现象 ;但是浮于海面上或悬浮于海面的物体表面对激光散射所具有的退偏振特性明显不同于海面散射的退偏振特性。因此可以根据这些差异来遥感海面的漂浮或悬浮物体 ,该结论已经被实验证实。

An universal method for the description of the three dimensional geometrical model of the sea target is obtained based on the methods developed previously.Modified uniform division method to generate mesh is developed according to the target which is a combination of thin hull and thick hull structures.These lay a solid foundation for derivation of physical field distributions,and provide a useful reference for the numerical analysis of some other situations..

在原有海面物体几何构型的描述方法基础上给出了通用的三维几何构型的描述方法,并在此基础上特别针对薄壳和体元混合结构实现了改进的均匀分割生成网格的方法,既为后续的物理场求解奠定了坚实的基础,也为其它的数值分析工作提供了一定的借鉴意义。

 
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