Current Basic Situation of Contradiction between the Singlepolar and the Multipolar and Its Strategic Consideration;
当前“单极”与“多极”矛盾的基本态势及战略思考
Fractional Multipole Model Used in the Characteristic Analysis of a Transmission Line;
用于传输线特性分析的分数阶多极子模型
Based on the generalized Biot's theory in anisotropic porous formation and Kuijian's theory of multipole acoustic logging, full waveform acoustic logging in transversely isotropic porous formation is discussed.
基于多孔介质中的广义Ｂｉｏｔ波动理论和Ｋｕｉｊｉａｎ等人的多极子声波理论，讨论横向各向同性孔隙地层的声波全波测井问题。
By analyzing the principle and structure of magnetic rotary encoder(MRE ), several types of multi-pole magnetic drums have been manufactured using bonded mag-nels as recording media and direct molding for core processing.
通过分析磁编码器的原理和结构，采用粘结磁体做磁编码器多极磁鼓记录介质材料，运用一体成型工艺，研制出了多种型号的磁鼓，并对磁鼓进行了充磁和气隙磁性能分析。
Taking the littoral shelter forest in Zhangpu county Fujian province as a test site,the backscatter behavior and multi-temporal characteristics of typical land cover types have been analyzed using multi-temporal and multi-polarization ENVISAT ASAR data.
本文以福建省漳浦县沿海防护林地区为例,利用2005年多时相、多极化的ENVISATASAR(Environmental Satellite Advanced Synthetic Aperture Radar)数据,分析了典型地物后向散射极化和时间特性。
Multi-polarization low frequency ultra wide band synthetic aperture radar(UWB SAR) system,which can measure the multi-polarization scattering of targets and has the ability of foliage penetration,is one of the most important trends of the future radar technique.
多极化、低频、超宽带合成孔径雷达(UWB SAR)可以获得目标的多极化散射特性,并具有一定的叶簇穿透能力,是未来雷达技术发展的一个重要方向。
The stress fields of such structure around the opening were predicted using a three-dimensional, higher-order fast multipole boundary element method.
为精确模拟该结构的应力状况,该文提出一种三维高阶快速多极边界元法。
In this paper, a new fast multipole BEM for 2D elastostatics is presented and used for stress analysis of 2D composite materials with many inclusions.
快速多极边界元法(fast multipole BEM)是近几年发展起来的边界元新型算法。
For 3D elasticity problems,the parallel computations based on the fast multipole and the conventional boundary element method(BEM)on PC cluster are compared.
以三维弹性力学问题为例,对快速多极与常规边界元法机群并行计算进行了比较。