辐射的

This thesis contributed to the comprehensive study of the Finite-Difference Time-Domain method and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies. The work includes mainly three parts: the study on the performance of PML absorbing boundary condition applied to pseudo low frequency electromagnetic problems; the validation of the FDTD method with PML absorbing boundary conditions and the corresponding computer software based on the numerical study of the electromagnetic field of an electric dipole antenna, and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies; the development of an improved alternating direction implicit finite-difference time-domain method.

在综合前人工作基础上，本文对时域有限差分法及其在开关电源辐射电磁场数值计算中的应用进行了系统的分析和研究，其核心内容包括：伪低频电磁场数值计算中PML吸收边界条件性能的研究；基于基准问题—电偶极子天线三维辐射电磁场，验证了本文构造的基于PML吸收边界条件的三维FDTD法及其计算软件，并应用于高频开关电源辐射电磁场的数值分析；提出了一种改进的交替方向隐格式时域有限差分法。

To remedy such a situation, this paper puts forward a method of normal and reverse radial lines to realize automatic routing of the link and loop network based on automatic routing of the radial network.

文中从建立城市中压配电网络的全局角度出发，在辐射接线模式自动布局的基础上，提出按正向和反向辐射线路布局的思路，完成多分段单联络接线模式的自动布局，即在进行辐射线路布局的同时考虑联络线的布局，这更符合整体规划的要求。

The radiation plant that in recent years countrywide various places builds the foundation (cobaltic - 60 irradiation implement with electron beam accelerator) the amount rises a situation, and the radiation treatment application in main field, can say our country is preliminary already now formed a kind of brand-new radiate to machine an industry, aim to satisfy the demand that economic prosperity increases increasingly.

根据近年来全国各地区所建立的辐射装置(钴-60辐照器与电子束加速器)的数量增长情况，以及辐射加工在主要领域中的应用，现在可以说我国已初步形成了一种崭新的辐射加工产业，旨在满足经济繁荣日益增长的需求。

Chlorophytum the exemption , and no place to hang for radioactive contamination , you can put on your computer while a pot of cactus Echinocactus also , which can diminish the hazards of radiation to you , while careful not to face computer monitors back , radiation significantly , there is not to seat near the copier areas .

对于辐射污染，可以在您的电脑边放一盆仙人掌，它可以减弱辐射对你的危害，另外注意不要面对电脑显示器的背部，辐射大大的，还有就是不要座在靠近复印机的地方。

The first part is a summary of the late thirty years′observational materials, it divides the Active Galatic Nucleis into ordinary AGNs and Blazer, according to the radiation origin of thermal radiation or non-thermal radiation, and the view is strongly supported here.

论文的第一部分综述了活动星系核近三十年来的观测资料，充分地肯定了根据活动星系核的辐射起源而把它们划分为以热辐射为主的普通活动星系核和以非热力学辐射为主的布莱扎天体这一观点。

At the same time, to overcome the limitations inherit in traditional optimal algorithms, an immune genetic algorithm is developed, and in addition, it is applied to the optimal thermal design of louvered panels.

摘 要 考虑优化过程中辐射能量交换的特殊性，为了加速优化过程的进行，通过引入漫反射系统单元表面间辐射传递系数与角系数之间的关系来处理百叶窗的辐射能量交换；同时为了克服传统优化算法存在的缺陷，提出了一种免疫遗传算法，并且应用于百叶窗最优化热设计中。

In view of the development about the certain airborne radar antenna array,considering the structural features of antenna array,analyse the cruces in manufacturing of feed cavity and radiant plate,and present the corresponding solution by mainly dealing with precise positioning style,delicate clamp design,error distribution and compensation method,high speed machining technology design,machining simulation and program optimizing.

某机载雷达平面裂缝阵列天线的单面阵如图1所示。该面阵布置多路裂缝线源，共分布384处长度各不相同的辐射裂缝，每一路线源均由脊型波导口单独馈电。面阵由辐射板和馈电腔两个零件组成，采用整体钎焊成形。线源结构为非对称单脊共线形式，即在普通单脊波导的两侧与辐射裂缝相对应的位置上布置不对称的凹台。

The climate space diagram of the tomato in the solar greenhouse is quite similar to that of the cardinal studied by Gates D. M, whereas sun radiation the tomato absorbs is lower than that of the black body.

M。 Gates研究得到的北美红雀气候空间辐射极限图相类似，不同的是，番茄群体吸收的太阳辐射会低于理想的黑体所能吸收的辐射。

Detailed analyses and simulations of heat transfer have been carried out on an e vacuated tube for solar- powered adsorption refrigerator,including inhomogen eous radiation heat transfer between its inner and outer tubes,two adjacent tubes, tube and back plate,sun light reflection on back plate,etc.

以分子筛-水为吸附工质对对真空管型太阳能吸附集热器的集热性能进行了详细的分析计算，其中包括真空管内、外玻璃间非均匀温度表面的辐射换热，两相邻管之间的辐射换热，真空管与背板间的辐射换热以及背板的反光等。

In order to use IR radiation characteristics for separating targets from decoys this paper obtains their spectral radiant flux first by way of theoretical calculation. This part of the paper makes progress as follows: 1 Spectral radiant flux of three kinds of simple or complex targets and their corresponding decoys can be calculated.

本文针对大气层外目标及其伴飞诱饵的识别问题，主要进行了下面三个方面的工作：一、目标及其诱饵的红外辐射特性的理论计算为了把红外辐射特性用于区分目标和诱饵，首先必须获取它们的红外辐射特性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。