ID 原文 译文
13014 随着计算电磁学和计算机技术的迅速发展，电磁计算在雷达设计中扮演着举足轻重的角色。 With the rapid development of computational electromagnetism and computer technology, electromagnetic computing plays an important role in radar design.
13015 本文分析了电磁计算在雷达设计中的应用，包括雷达天线设计、馈线及微波网络设计、天线罩设计以及复杂电磁环境雷达天线性能评估，并介绍了有限元法(finite element method, FEM)、矩量法( method of moment, MoM)和时域有限差分(finite-difference time-domain, FDTD)法三种常用的全波电磁仿真计算方法以及高频近似算法，最后讨论了雷达技术发展对电磁计算的新需求。 This paper mtroduces the application of electromagneti c computi ng in radar des i gn, i ncludi ng radar antenna des i gn, feeder and m i crowave network design, radome design and performance evaluation of radar antenna in complex electromagnetic environ— ment. Three common methods of full wave electromagnetc s mulaton, such as fnte element method, moment method and t me doma n fnte dfference method , and hgh frequency approx maton are ntro- duced. Finally, the new requrements for electromagnetic computing in radar technology are given.
13016 尽管国内外在目标电磁散射特性研究领域取得了很大进展,但是从技术本身来说该专业领域仍然存在一些难点问题。 Although great progress has been made in the research field of target electromagnetic scattering characteristics at home and abroad, there are still some difficult problems for the technology itself.
13017 同时，复杂环境下低散射目标的探测与识别等应用，以及太赫兹等新体制雷达的研发对目标电磁散射特性研究提出了新的需求、引入了新的问题。 At the same time, the applications, such as for low scattering target detecton and recognition in complex environment and new radar system development such as Terahertz radar, put forward a new demand in the research of target electromagnetic scattermg characteristics.
13018 围绕这些应用需求和技术难点，本文从理论建模、散射测量和特征提取三个方面，归纳总结了目标电磁散射特性研究存在的若干热点和难点问题，期望 为从事该方面研究的科研人员提供方向性的引导。 According to the requirements of these new technologes and applications, this paper summarizes several hot topics and difficult problems from three aspects, scattering modeing, scattering measurement and signature extraction.This paper is expected to provide some direcional gu i dance for researchers in this field.
13019 区域分解算法(domain decomposition method, DDM)是实现大规模电磁散射问题求解的有效途径,其易于并行，与非共形技术结合后，可进一步降低实际应用中目标建模与网格划分的难度，近年来在计算电磁领域引起广泛关注。 The domai n decompos i ti on methods (DDMs) have been recogni zed as the most effi ci ent way for solving electromagnetic scattering by large scale objects. Comb med with the non-conformal technology, they can further reduce the difficulty of modeiing and meshing targets with complcated geometry in practcal applications, thereby have attracted extensive attenton in the field of computatonal electromagnetics in recent years.
13020 本文介绍了电磁计算领域有限元法(finite element method, FEM)和积分方程法区域分解技术的研究进展，以及它们在合元极技术中的应用。 In ths paper, recent progress of DDMs in fnte element method and the integral equation method is introduced respectively at first. Then, an overview of the DDMs development of hybrid finite element boundary integral-multilevel fast multiple algorithm (FE-BI-MLFMA) is given.
13021 最后，对区域分解合元极技术当前仍然存在的挑战和未来发展方向进行了讨论。 Finally, a short discusson s drawn to the present challenges for doman decompostion based FE-BI-MLFMA.
13022 文章概要介绍了电磁计算方法的研究进展.首先对电磁计算方法的发展进行了概述。 This paper briefly presents the development in computational electromagnetic methods. First, the development of computational electromagnetic methods is outiined.
13023 其次，对近些年发展出来的若干代表性电磁计算技术，包括快速直接法、非共形区域分解法、高性能并行技术等的发展进行了阐述。 Then, the development of severa! recent representative technologies incomputational electramagnetics are elaborated, including fast direct solver, non-conformal domain decomposition, and high-performance parallelization.