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电大目标
相关语句
  electrically large object
     Multilevel fast multipole algorithm for solving scattering from 3-D electrically large object
     三维电大目标散射求解的多层快速多极子方法
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  “电大目标”译为未确定词的双语例句
     The hybrid method of IPO MOM for scattering by large bodies with cracks
     计算开槽电大目标电磁散射的IPO-MOM混合法
短句来源
     RCS of conduct plane is analyzed with AIM,computation time and memory demanded is greatly reduced when compared to traditional MOM,which demonstrates the advantages of AIM in computation of large-scale objects.
     使用AIM计算了导体平板的RCS,与传统的矩量法相比大大减少了计算时间和存储量,显示了AIM在计算电大目标特性时的优越性。
短句来源
     A parallel FDTD algorithm for the anisotropic medium on a distributed network by using the message passing module is presented.
     基于消息传递模式的网络并行计算系统和区域分割技术成功地实现了电各向异性介质FDTD并行算法,并用此程序代码计算了电大目标的RCS。
短句来源
     The computing efficiency of monostatic RCS solution of electrically large and complex objects is becoming an key technique for the method of integral equations.
     电大目标单站RCS的计算效率已成为积分方程法求解电磁散射问题的关键技术之一。
短句来源
     In this paper, PNM (Progressive Numerical Method ) is well combined with MoM on the base of RWG and AutoCAD to quickly analyze the scattering problem of three-dimensional perfectly conducting bodies of arbitrary shape.
     将PNM方法 (ProgressiveNumericalMethod)与以RWG为基函数的矩量法(MoM )和AutoCAD自动电磁建模剖分技术相结合 ,来快速有效地分析三维任意形状的电大目标问题。
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  相似匹配句对
     Objective Control of Examination at Radio &TV University
     试论电大考试的目标控制
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     The Goal of RTVU Education and the Forming of the Net Work Environment
     电大教育的目标和网络环境的形成
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     N TARGET
     命中目标
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     The Aim of Translation
     翻译的目标
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     New Leap of Radio and TV University
     电大“新跨越”
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The computing efficiency of monostatic RCS solution of electrically large and complex objects is becoming an key technique for the method of integral equations. To obtain a rapid and efficient solution, an improved adaptive sampling algorithm(ASA) is firstly presented in this paper. The improved scheme not only suits to parallel compute, but also increases the searching efficiency. Finally, monostatic RCS′s of several typical objects is calculated by using MoM with FMM and model-based parameter estimation...

The computing efficiency of monostatic RCS solution of electrically large and complex objects is becoming an key technique for the method of integral equations. To obtain a rapid and efficient solution, an improved adaptive sampling algorithm(ASA) is firstly presented in this paper. The improved scheme not only suits to parallel compute, but also increases the searching efficiency. Finally, monostatic RCS′s of several typical objects is calculated by using MoM with FMM and model-based parameter estimation based an improved adaptive sampling algorithm(IASA). Numerical results are provided to prove the validity of the presented method.

电大目标单站RCS的计算效率已成为积分方程法求解电磁散射问题的关键技术之一。为了快速而准确求解 ,对已有自适应采样算法进行了改进 ,不仅适合并行计算 ,而且提高了搜索效率。最后 ,将基于改进自适应采样算法的Pade有理逼近与采用快速多极子加速方法的MoM结合求解几个典型实例的单站RCS ,数值结果表明了该方法的有效性。

Surface equivalence principle was applied to the scattering analysis of the more general dielectric cylinder. The bistatic RCS for dielectric objects was computed by using the fast discrete wavelet transform combined with GMRES. The numerical results presented in this paper were compared with the method of moments and analytical method. It was shown that the complexity of computation and memory needed was reduced drastically without sacrificing much accuracy. The presented method can also be generalized to the...

Surface equivalence principle was applied to the scattering analysis of the more general dielectric cylinder. The bistatic RCS for dielectric objects was computed by using the fast discrete wavelet transform combined with GMRES. The numerical results presented in this paper were compared with the method of moments and analytical method. It was shown that the complexity of computation and memory needed was reduced drastically without sacrificing much accuracy. The presented method can also be generalized to the scattering analysis of other dielectric objects.

运用内外等效原理对更具普遍性的有耗与无耗电大介质目标电磁散射特性进行了分析,并应用Daubechies离散小波变换,结合广义最小余量法对平面波照射的二维电大介质目标的雷达散射截面进行了计算。将其结果与传统矩量法和解析解进行了比较,结果表明:在不影响精度的前提下,尤其是对电大目标,该方法在降低计算复杂度,节约存储空间等方面具有明显优势,并可将其推广至其他介质体的散射分析中。

A new algorithm based on the method of moments is introduced for the scattering analysis of two-dimensional targets.The theory of second generation wavelet interpolation and a method of separating the relationship between close distance and far distance are adopted in this algorithm,through which elements of impedance matrix can be filled efficiently.As a result,the radar cross section(RCS) of arbitrary targets is computed quickly.The numerical results presented are compared with the results obtained by the...

A new algorithm based on the method of moments is introduced for the scattering analysis of two-dimensional targets.The theory of second generation wavelet interpolation and a method of separating the relationship between close distance and far distance are adopted in this algorithm,through which elements of impedance matrix can be filled efficiently.As a result,the radar cross section(RCS) of arbitrary targets is computed quickly.The numerical results presented are compared with the results obtained by the traditional method of moments.It is shown that,especially for electrically large targets,the complexity of computation is obviously reduced without sacrificing much accuracy.

针对二维目标电磁散射特性分析问题,提出了一种基于传统矩量法的新算法。该算法采用二代小波插值理论,通过近相关和远相关分离的办法,实现了阻抗矩阵元素的快速填充,从而实现目标雷达散射截面(RCS)的快速计算。将计算结果与传统矩量法计算的结果进行了比较,数值结果表明:在不影响精度的前提下,尤其是对于电大目标问题,本文方法的计算效率大大提高。

 
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