助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   边界元法的声全息 的翻译结果: 查询用时:0.527秒
图标索引 在分类学科中查询
所有学科
更多类别查询

图标索引 历史查询
 

边界元法的声全息
相关语句
  “边界元法的声全息”译为未确定词的双语例句
     Therefore, there are no problems such as parameters interpolation, singular integration etc. in WSA based acoustic holography, which are inherent to BEM based NAH.
     因而 ,基于波叠加法的声全息就不存在边界面上的参数插值和奇异积分等问题 ,而这些问题是基于边界元法的声全息所固有的 .
短句来源
     The principle of WSA based acoustic holography is easier to understand, and it is more amiable to implement on the computer.
     与基于边界元法的声全息相比较 ,基于波叠加法的声全息在原理上更易于理解 ,在计算机上更容易实现 .
短句来源
     Compared with NAH based on the boundary element method (BEM), variable interpolation, numerical calculation and disposal of singular integral are avoided in this method. It has advantages of fast calculation, high precision, good stability, simplicity and clarity in computation.
     该方法避开了基于边界元法的声全息重建和预测模型中的变量插值、数值积分和奇异积分的处理,具有计算速度快、计算精度高、计算稳定性好等优点.
短句来源
  相似匹配句对
     Boundary Element Method
     边界
短句来源
     Wavelet Boundary Element Method
     小波边界
短句来源
     THE COMPOSITE BOUNDARY ELEMENT METHOD
     组合边界
短句来源
     BOUNDARY ELEMENT METHOD OF SOLVING THE FLOW PROBLEMS IN CASCADE
     叶栅绕流边界
短句来源
     SPLINE BOUNDARY ELEMENT METHOD ON FLASTIICTY
     弹性力学样条边界
短句来源
查询“边界元法的声全息”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  the boundary element method (bem)
The method cuts selected interconnecting lines then it calculates the resistances of straight sections using an analytical formula and the resistances of the other sections using the boundary element method (BEM).
      
The hydration force determined by the boundary element method (BEM) is taken into account as the mean force terms of solvent including Coulombic interactions with the induced surface charge and the surface pressure of solvent.
      
The finite element method (FEM) and the boundary element method (BEM) are often adopted.
      
The boundary element method (BEM) which is used to solve the elastic problems has more advantages than other numerical methods.
      
Analytic sensitivity analysis technology for the boundary element method (BEM) is presented, combined with a shape optimization system for structural analysis.
      
更多          


The distributed source boundary point method (DSBPM) is proposed to be a transform algorithm of nearfield acoustic holography (NAH). The models to reconstruct and predict the acoustic quantities of acoustic field are established. Compared with the boundary element method (BEM) based NAH, the variable interpolation, the numerical calculation and the disposal of singular integral are avoided in this method. And it has such merits as follows: the quick calculation speed, the high calculation precision, the good...

The distributed source boundary point method (DSBPM) is proposed to be a transform algorithm of nearfield acoustic holography (NAH). The models to reconstruct and predict the acoustic quantities of acoustic field are established. Compared with the boundary element method (BEM) based NAH, the variable interpolation, the numerical calculation and the disposal of singular integral are avoided in this method. And it has such merits as follows: the quick calculation speed, the high calculation precision, the good calculation stability, and the simple and pellucid calculation procedure. So it has a good prospect of application in engineering field.

提出了以分布源边界点法作为声场的全息变换算法,建立了基于分布源边界点法的声全息重建和预测的数学模型。与基于边界元法的声全息重建和预测模型相比,此法避开了变量插值、数值计算和奇异积分的处理,具有计算速度快、计算精度高、计算稳定性好和简单易懂等优点,因此在工程实践中有着广泛的应用前景。

Near field acoustic holography (NAH) based on wave superposition approach (WSA) is proposed and applied to radiation analysis of sound sources with arbitrarily shaped surface. In problem of calculating acoustic radiation, boundary element method (BEM) is realized by discretizing acoustic and position variables on the boundary surface, while WSA is accomplished by superposing wave fields generated by simple sources interior to the radiator. Therefore, there are no problems such as parameters interpolation, singular...

Near field acoustic holography (NAH) based on wave superposition approach (WSA) is proposed and applied to radiation analysis of sound sources with arbitrarily shaped surface. In problem of calculating acoustic radiation, boundary element method (BEM) is realized by discretizing acoustic and position variables on the boundary surface, while WSA is accomplished by superposing wave fields generated by simple sources interior to the radiator. Therefore, there are no problems such as parameters interpolation, singular integration etc. in WSA based acoustic holography, which are inherent to BEM based NAH. The principle of WSA based acoustic holography is easier to understand, and it is more amiable to implement on the computer. The results of the experiment show that satisfactory precision has been obtained in the reconstruction of sound field using WSA based acoustic holography.

提出了基于波叠加法的近场声场全息技术 ,并将其用于任意形状物体的声辐射分析 .在声辐射计算问题中 ,边界元法是通过离散边界面上的声学和位置变量来实现 ,而波叠加方法则通过叠加辐射体内部若干个简单源产生的声场来完成 .因而 ,基于波叠加法的声全息就不存在边界面上的参数插值和奇异积分等问题 ,而这些问题是基于边界元法的声全息所固有的 .与基于边界元法的声全息相比较 ,基于波叠加法的声全息在原理上更易于理解 ,在计算机上更容易实现 .实验结果表明 :该种全息技术在重建声场时 ,具有令人满意的重建精度

A theoretical model for reconstruction and prediction of acoustic scattering fields is built based on the distributed source boundary point method (DSBPM). In this method, the transform matrices of acoustic quantities are formed with particular matrices at boundary nodes, hologram measurement points, reconstruction points and prediction points generated by the imaginary point sources, which is localized on the normal direction of the boundary nodes and a distance away from the analysis domain. Compared with...

A theoretical model for reconstruction and prediction of acoustic scattering fields is built based on the distributed source boundary point method (DSBPM). In this method, the transform matrices of acoustic quantities are formed with particular matrices at boundary nodes, hologram measurement points, reconstruction points and prediction points generated by the imaginary point sources, which is localized on the normal direction of the boundary nodes and a distance away from the analysis domain. Compared with NAH based on the boundary element method (BEM), variable interpolation, numerical calculation and disposal of singular integral are avoided in this method.It has advantages of fast calculation, high precision, good stability, simplicity and clarity in computation.

通过在边界结点法向方向上,背离分析域一定距离处构造虚构点源;用虚构点源在边界结点、全息测量点、重建点和预测点处产生的特解,形成满足系统方程的特解矩阵,来计算散射场声学量之间的传递矩阵;建立了基于分布源边界点法的声散射场重建和预测理论模型.该方法避开了基于边界元法的声全息重建和预测模型中的变量插值、数值积分和奇异积分的处理,具有计算速度快、计算精度高、计算稳定性好等优点.

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关边界元法的声全息的内容
在知识搜索中查有关边界元法的声全息的内容
在数字搜索中查有关边界元法的声全息的内容
在概念知识元中查有关边界元法的声全息的内容
在学术趋势中查有关边界元法的声全息的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社