本课程是介绍游离辐射的基本特性，与其在医学、工业、科学、与环境研究上使用的介绍。
This course is an introduction to basic properties of ionizing radiations and their uses in medicine, industry, science, and environmental studies.
科学家将研究分析微波背景辐射中几百万分之一的温度变化，看是否能从中找出它的这些特性。
They will examine temperature variations in the microwave background amounting to a few millionths of a degree, to see whether they can discern such features in it.
它是利用材料表面的辐射特性来获得绝热保温效能。
It is the use of radiation characteristics on the surface of the material for insulation performance.
对浮筏系统的振动传递及水下声辐射特性进行试验研究有其重要的工程应用前景。
Vibration transmission and underwater acoustic radiation characteristics experiment of floating raft system has an important technical application prospect.
由此可进一步分析球形导体上线状天线的辐射特性。
The radiation characteristics for linear antennas on a spherical-shape satellite may further be analyzed.
本文研究了夹层复合加筋板结构的振动声辐射特性。
The sound radiation of viscoelastic composite sandwich plates is researched in this paper.
大气散射辐射偏振特性测量是研究大气光学和物理特性的有效手段之一。
Measurements of polarized properties of atmospheric scattering radiation is one of an effective means of investigating the optical and physical parameters.
然而，正如一位科学家所指出的，所有动物的DNA特性都是一样的。如果辐射对老鼠的基因有影响，那么，辐射同样可能影响人类的基因。
However, as one scientist has pointed out, DNA has the same qualities in all animals, and if radiation affects the genes in mice, it could also affect human genes.
因此对于谐波雷达而言，具有谐波辐射特性的非线性目标是有效目标。
So, the effective target of harmonic radar is the nonlinear target with harmonic radiation characteristic.
介绍了一种可用以快速计算任意形状的电大尺寸导体目标散射和辐射特性的软件包。
A software package for fast computation of electromagnetic scattering and radiation characteristics of large complex perfect conducting object is introduced in this paper.
空间目标的红外辐射特性是对空间目标进行探测与识别的重要依据。
The infrared radiation characteristic is the important basis for detection and identification of space target.
主要研究了隐身目标的毫米波辐射特性。
We mainly study the radiation characters of stealth objects.
本文为热喷流的红外辐射特性测试，提供了一种可供借鉴的探测系统和测试技术。
Thus the method may be provided as kind of detection system and testing technology for measurement of infrared radiation characteristic from hot jet.
给出几种战场目标的光谱辐射特性曲线测试数据表，对某型导弹抗干扰特性进行分析。
The spectral radiant characteristic curves and datasheet of several battlefield targets are given the anti interferential characteristics of a missile is analyzed.
结果表明，在不同照射条件下辐射损伤的程度和特性不一，由辐射所诱发的体细胞效应大多数是可以恢复的。
The results indicated that the degree and characteristic of radiation damage were variable under different irradiation conditions and the somatic cell responses induced by irradiation were reversible.
算例表明，用此方法分析计算表面阻尼处理结构的动态特性和声辐射是可行的。
The example given in this paper shows that the method is feasible to calculate the dynamic properties and sound radiation of surface damping-treatment structures.
本文介绍了籼型恢复系郴R92-225的杂交和辐射选育过程、特征特性及配制杂交组合应用于生产的情况。
The paper introduces the Hsien rice restoring line Chen R92-225 breeding by allomixis and irradiation methods, the characteristic and application of Hsien rice restoring line Chen R92-225.
结束电偶极辐射之讨论。定性解释电四极特性及磁偶极辐射。
Finish Electric Dipole Radiation. Qualitative Aspects of Electric Quadrupole and Magnetic Dipole Radiation.
对具有不同辐射特性（单波瓣和多波瓣）的受试设备天线高度扫描问题进行了定性分析。
Qualitatively analyze the existing problem of the antenna height scanning for the EUT with radiating characteristics(single lobe and multi-lobes)in the measurement method.
本文总结了涂层厚度、涂料的光谱特性、衬底、使用温度、颗粒度等因素对涂料红外辐射特性的影响。
The effects of layer thickness, spectral characteristics, sample fineness, supports and operating temperature on emission features of infrared coating materials are summarized.
红外辐射温度场反映了背景与目标的红外辐射特性，在目标与环境特性领域的研究中具有重要的意义。
The infrared radiation temperature field indicates the infrared radiation characteristic of the background and target, and has important significance in the research of the target and surrounding.
研究了环状活塞声源辐射声场的特性。
根据研判目标的光谱辐射差异特性建立了红外多光谱图像相关识别准则。
An infrared multispectral imagery correlation recognition method is formulated in terms of spectral radiation difference of interesting targets.
在保证必要的红外目标辐射特性和运动特性建模精度基础上，采用这种方法可以满足导弹制导算法的研制和调试需要。
Based on the necessary modeling accuracy for radiating characteristics and movement characteristics of infrared targets, it can meet the design and debug demand for the guidance algorithm of missile.
受限空间中，通风对于燃烧状况和火焰辐射特性有重要影响。
The influence of fire ventilation on flame radiation is important in enclosute fires espociallyfor undervenulated conditions.
通过对液体辐射特性和光谱透射特性的分析，确定测得的液滴红外辐射是由液滴表面发射的。
By analysing the radiation characteristic and the transmission spectrum of liquid, it is found that the infrared radiation of a droplet comes from its surface.
考虑到不同损伤存在形式，计算分析了损伤对振动频率、模态以及声辐射特性的影响。
Influences of various types of damages on natural frequencies, vibration modes, acoustic radiation power and directivity of sound are studied.
在研究颗粒辐射特性的电磁理论中，粒子复折射率是颗粒辐射特性计算前提和基础。
In studying the characteristics of electromagnetic radiation particle theory, the particle nature of the index of refraction is the prerequisite and basis for the particle radiation.
采用时域有限差分法对比计算了加载与非加载单极子天线的时域辐射特性。
Therefore the time domain characteristics of loaded monopole antenna are calculated and analyzed using FDTD method.
采用时域有限差分法对比计算了加载与非加载单极子天线的时域辐射特性。
Therefore the time domain characteristics of loaded monopole antenna are calculated and analyzed using FDTD method.
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