ID 原文 译文
12934 文章给出了裸土上坦克的散射中心参数化模型，并将重构的合成孔径雷达(synthetic aperture radar, SAR)图像与可信的高频算法仿真SAR图像进行对比分析，重构结果与仿真结构具有较好的一致性，验证了对该类目标进行参数化建模的有效性，拓展了正向参数化建模目标适用范围。 The parametric model of the tank on the bare soil is given, and the synthetic aperture radar (SAR) image reconstructed by the parametric model is compared with the SAR simulated by the high-frequency algorithm. The result agrees well that verified the validity of parametric modelng of the target and the applicable scope of the forward parametric modeling target is expended.
12935 半空间电磁模型是从地、海目标电磁散射与辐射等实际问题中提炼出来的ー个科学问题，这ー问题是陆地、海洋的微波遥感遥控，地、海基目标的电磁隐身与反隐身设计，战场侦察，精确制导等具体工程应用的基础性关键问题。 The half space electromagnetic model is a deterministic model for the various EM problems in ar-soll or ar-seawater half-space such as remote sensing/ imaging/controllmg, stealth/anti-stealth design, battlefeld reconnassance and precision guidance of land and sea-based targets.
12936 积分方程方法是解决半空间电磁问题的ー种极其重要的方法，文中对其研究进展进行了综述，重点讨论半空间积分方程形式及其对应的半空间格林函数，Sommerfeld积分计算技术，以及半空间积分方程的快速算法三个方面的最新研究进展。 Driven by this engineerng applcations, in ths review, fundamental issues of the half-space integral methods are consdered, including the half-space integral equaton forms and their corresponding Green's functon, the efficient valuation of Sommerfeld integrals, and the fast solvers.
12937 最后，面向半空间电磁环境下的工程应用需求，对半空间电磁算法的发展方向进行了展望 Finally, facing the engineering application require ments, the future works of the half-space integral equation solvers are prospected.
12938 由于集成电路及其封装工艺的不断发展!其功率传输网络中的功率密度和电流密度日益增加，因此需要在集成电路的设计中考虑焦耳热效应和材料电导率性质相互耦合的影响。 With the continuous development of integrated circuit and its packaging technology, the power density and current density in its power transmission network are increasing day by day, so it is necessary to cons ider the coupling effect of Joule heat effect and material conductivity property in the design of integrated circuit.
12939 文中实现了基于有限元算法的电热耦合数值方法，并计算了集成电路的功率传输网络中考虑电和热相互作用时功率传输中产生的压降。 In this paper, a numercal method of electrc-thermal coup i ing based on finite element method is implemented to calculate the voltage drop of IC's PDN underconsidermg the interaction between electricity and heat.
12940 但是在电热耦合计算中出现了由于某些边界条件设置而导致的电导率及其他物理参数分布不均匀情况，为了解决此问题,提出了非均匀参数的思想和向量化参数更新方法，在充分考虑非均匀的物理量之间的迭代耦合关系情况下，计算得到了功率传输中的非均匀温度分布和电势分布。 However, the inhomogeneous distribution of conductivity and other physcal parameters caused by some boundary conditions is found in the calculaton of electro-thermal couplng. To solve this problem, the idea of inhomogeneous parameters and the vector i zed parameters updating method are proposed. Considering the iterative couplng relationship between mhomogeneous physcal quantities, the nhomogeneous temperature dstrbuton and potental distrbution in power transmisson are calculated.
12941 同时，通过与其他两款商业软件对比，文中算法程序体现出了更高的时间效率，为集成电路的设计提供了基本的参考。 Compared with other two commercial software, the algorithm shows higher time efficiency, which provides a basic reference for the design of integrated circuits.
12942 电大尺寸散射体的高频散射高效算法问题是一个重要而具有挑战性的问题。 The high frequency scattering problems of electromagnetic fields scattered from electrically large scatterers are important and challengng.
12943 本文首先对解决电磁散射问题的现代高频方法的研究进展进行了综述。 In this paper, first, the author gives a review on the progress of the modern high frequency methods for solving the electromagnetc scattering problems.