辐射

Based on the calculation of apparent trajectory of solar motion in the experimental area, and using quote ellipsoid distribution and the Monsi model, the radiation values of 36 experimental sites by light quantum mater were measured and statistics of daily solar radiation distribution from the values were calculated.

在精确计算实验区太阳视运动轨迹的基础上，采用椭球体模型，用光量子计测量了36个试验点的太阳辐射强度值，并统计了林下太阳辐射强度的日分布。

In the"willow leaf"TEM horn, the characteristic impedance varies from 50Ω to the 377Ω free space impedance, thus its metal plates have shapes similar to willow leaf. The constant impedance TEM horn consists of two tri-angular metal plates, with it's characteristic impedance at arbitrary cross-section being a constant.

采用FDTD方法，对'柳叶'TEM天线、恒阻抗TEM喇叭天线及低频补偿TEM喇叭天线的反射特性、口面场分布、主轴辐射场特性、辐射场方向特性进行了分析，并对各自的特性进行了比较。

In this, and in the several other views, the line array loudspeaker may radiate over the full audible frequency range, or may radiate over a limited frequency range, typically the high audible frequencies.

在该视图和另外几个视图中，线性阵列扬声器可以辐射整个可听频率范围或可以辐射有限频率范围，通常为可听高频。

The paper is made up of two parts:Firstly, we studied systematically the radiative decays of light vector mesons:〓in the framework of a U(3)L×U(3)〓chiral theory of mesons. In this theory, low-lying pseudo scalar, vector, axial vectormesons are introduced as the bound states of the quark fields.

全文分轻味矢量介子辐射衰变和重味矢量介子的软π衰变两部分：首先，我们在U(3)〓×U(3)〓手征介子理论的框架内，系统的研究了轻味矢量介子ρ，φ的辐射衰变〓在该理论中，低能的赝标，矢量和轴矢介子场是作为夸克场的束缚态被纳入。

Based on the factors about infrared imaging and simulation modeling,the key technology of real-time system for infrared image generation of plane background was enumerated.The infrared imaging simulation and modeling can be divided into four parts:target 3D modeling,plane trail fire,target and background infrared radiance,atmosphere transmission.The method of infrared radiance modeling with Vega was discussed.Finally the process of infrared image generation was presented based on sensor vision module of Vega.

根据红外成像理论和仿真建模特点，列举了以飞机为目标的实时图像生成系统中仿真建模的关键技术；从目标3D建模、飞机尾焰建模、目标和背景辐射建模和大气传输等几个方面阐述了红外成像建模的特点和需求；提出了应用Vega软件专用模块进行红外辐射特性建模的方法；最后给出了利用Sensor Vision模块生成红外图像的过程。

In the experiment design, two methods are put forward to change the background radiation.

结果表明，随着背景辐射的减小，器件的测量噪声亦减小，利用非平衡载流子和器件有效寿命理论对器件的产生复合噪声进行了计算，计算结果与实验结果在随背景辐射变化的趋势上相似。

The solar irradiation and earth background radiation are calculated with a simplified model.

利用辐射理论建立了太阳辐射和地球及其大气反射光辐射的数学模型。

Optical properties of the atmosphere including sky background radiation and surface reflectance are basic physical quantities for atmospheric radiative transfer, light propagation research, and can also find important application in remote sensing, adaptive optics, free-space optical communication, etc.

大气光学特性（包括地表的光学特性和天空背景辐射特性）是光波在大气中传播和大气辐射传输研究必需的基础物理性质，在气象、气候和天文观测等基础和应用研究以及自适应光学技术、自由空间光通讯等光电工程应用中具有十分重要的作用。

Central difference method and backward difference method were used for transient thermal analyzing,and the result suggested that two methods have same accurate for this problem.

太阳辐射热流、地球红外辐射热流及地球反照热流是航天器产生不均匀时变温度场主要热量来源。

Diphenylacetylene and benzophenone have good radiation protection effects due to their special radiation protection mechanism.

二苯乙炔和二苯甲酮由于其独特的辐射保护机理而具有很好的辐射保护效果。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。