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辐射频谱
相关语句
  radiation spectrum
     Radiation spectrum of relativistic electrons in a spatially periodic transverse magnetic field
     相对论电子在周期磁场中的辐射频谱
短句来源
     In addition, it discussed the radiation phenomenon in the magnetic field, and got the radiation spectrum and width of the frequency.
     并讨论了在磁场中的辐射现象,求出了辐射频谱和频宽.
短句来源
     The theoretical and experimental investigations show that the valid ways to restrain the background interference are as follows: to set up a narrowband optical spectrum filter on a photoelectric detector with its narrowband spectrum width just covering the radiation spectrum of illuminating laser;
     理论和实验研究表明,采用以下方法,可有效抑制背景干扰:给光电探测系统加装窄带光谱滤波器,其透光的谱线宽度应恰好覆盖照明激光的辐射频谱,由于照明激光的谱线很窄,可有效抑制环境背景光的干扰;
短句来源
     Finally, by using the Fourier transformation we get the Lorentz covariant electromagnetic radiation spectrum for the low speed moving dyons.
     利用傅立叶变换,求出了低速双荷粒子系统在双四维势下具有Lorentz变换协变性的辐射频谱
短句来源
     It has been shown that radiation spectrum depends on the initial electron velocity and the intensity of magnetic tiell.
     得到辐射频谱分布将是与电子的初速度、磁场强度有关.
短句来源
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  “辐射频谱”译为未确定词的双语例句
     Under some conditions, the electron motion is harmonic in the direction perpendicular to the original incident one.
     在一定条件下,电子在垂直原始入射方向上的运动是简谐的,利用谐振子模型求出了它的辐射频谱和频宽;
短句来源
     Using the Nancay radio telescope of Paris Observatory,France, OH 1612MHz maser in the west position of ON2 has been first observed. The observational results indicate that the emission spectrum of the OH 1612MHz in the west position shows a typical structure of single peak.
     利用法国巴黎天文台的南锡射电望远镜对ON2西部区域OH16 12MHz脉泽首次进行观测 ,观测结果表明 ,西部区域的OH16 12MHz脉泽的辐射频谱为典型的单峰结构。
短句来源
     It is discovered that with the increase of laser intensity,the oscillation of electrons,due to their relativistic motion,will generate harmonic emission,the spectrum of harmonic emission is broadened and red shift occurs.
     电子与强激光脉冲相互作用,电子除了在激光场的作用下做横向振荡运动之外,激光脉冲的纵向有质动力对电子还有推动作用,这是产生谐波频谱红移的原因,而谐波辐射频谱展宽是由电子纵向速度的变化引起的。
短句来源
     The OH1667MHz maser has been observed for the first time with the Nancay radio telescope of Paris Meudon Observatory in France. The observational results indicate that there is a double peak structure in the profiles of OH1667MHz maser radiation in the central part of ON2. This implies that the OH1667MHz maser is located on a thin disc moving around the central star. By use of the author′s model, the profiles have been analyzed and studied.
     利用法国巴黎默东天文台的南锡射电望远镜对ON2 中部区域OH1667 MHz 脉泽首次进行观测.观测结果表明中部区域的OH1667 MHz 脉泽的辐射频谱为典型的双峰结构.这说明ON2 中部区域的OH1667 MHz 脉泽是位于绕中央星运动的薄盘上.结合模型对中部区域的OH1667 MHz 脉泽谱线频谱图进行分析和研究
短句来源
     The strong excess infrared radiation is observed from their spectra.
     在大多数post-AGB星的拱星包层中存在着大量尘埃,从它的辐射频谱中可以观测到强的过量的红外辐射。
短句来源
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  相似匹配句对
     TECHNIQUE FOR TEMPERATURE MEASUREMENT USING MULTI-SPECTRAL INFRARED RADIANCE
     红外辐射频谱扫描测温技术
短句来源
     RADIATION SPECTRUM MEASUREMENTS IN THE FREE ELECTRON LASERS
     自由电子激光辐射频谱测量
短句来源
     On radiation from printed circuits
     印制电路的辐射
短句来源
     Spectrum-modulated technique.
     频谱调制技术
短句来源
     analizing frequency spectrum;
     频谱分析;
短句来源
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  radiation spectrum
Therefore, in the evaporation processes they must easily evolve from the structure of the CuInS2 chalcopyrite crystal and make a predominant contribution to the radiation spectrum of laser plasma.
      
Thermometry of microwave discharge in powder mixtures by the thermal radiation spectrum
      
Reconstruction of the parameters of a soft X-radiation spectrum from signals of vacuum X-ray diodes
      
Therefore, when using direct-charging detectors for measuring the absorbed dose rate and radiation dose, the knowledge of the γ-radiation spectrum is necessary.
      
The source radiation spectrum consists mainly of superimposed spectral bands of emission of cadmium iodide in the range 470-700 nm.
      
更多          
  radiation frequency spectrum
The radiation frequency spectrum is approximated by the Gaussian profile, and its parameters are expressed via the electron energy density at the given and initial instants of time.
      


The motion track of relativistic electrons in a spatially periodic transverse magnetic field has been analysed. Under some conditions, the electron motion is harmonic in the direction perpendicular to the original incident one. Radiation spectrum and spectral width have been obtained using harmonic mode, nonhamonie is also discussed. It has been shown that radiation spectrum depends on the initial electron velocity and the intensity of magnetic tiell.

分析了相对论电子在空间周期磁场中的运动轨迹.在一定条件下,电子在垂直原始入射方向上的运动是简谐的,利用谐振子模型求出了它的辐射频谱和频宽;最后讨论了运动的非谐性.得到辐射频谱分布将是与电子的初速度、磁场强度有关.

The wave equations for the channelling relativistic electron and positron are solved by W. K. B. method. Taking Moli′ere potential, the planar channelling radiation spec-tra of electrons are calculated. he calculations agree well with the experimental rc-sults. A multiplicity of the radiation spectrum for the relativistic positron is predicted and an explanation is given for the single peak observation. More accurate wave fun-ctions for the channelling particles have been derived by perturbation theory. Channel-ling...

The wave equations for the channelling relativistic electron and positron are solved by W. K. B. method. Taking Moli′ere potential, the planar channelling radiation spec-tra of electrons are calculated. he calculations agree well with the experimental rc-sults. A multiplicity of the radiation spectrum for the relativistic positron is predicted and an explanation is given for the single peak observation. More accurate wave fun-ctions for the channelling particles have been derived by perturbation theory. Channel-ling radiation selection rules are obtained and the relative intensities of electron radia-tions from different energy level transitions are evaluated. The quantum effects of radiation spectrum shift for ultrarelativistie channelling positron and electron are also discussed.

本文用W、K、B方法求解了相对论沟道负电子、正电子波动方程;采用Moliére沟道势,得到了与实验结果符合的负电子平面沟道辐射频谱;预言了相对论正电子沟道辐射的多频谱现象;解释了正电子平面沟道辐射的单峰实验结果。并用微扰论求得了沟道粒子更为精确的波函数,得到了沟道辐射的选择定则,计算了负电子沟道辐射谱线的相对强度。还讨论了超相对论正、负电子沟道辐射频谱的退后量子效应。

Tin radiation characteristics of plane channeling particles are described in terms of quantum mechanics. In the anharmonic approximation the spectrum distribution of the channeling radiation is calculated, comparison with the experiment shows a good agreement.

本文从量子力学出发,讨论了面沟道辐射的一般论证.在非简谐近似下,描写了正电子面沟道辐射的频谱辐射.同实验比较表明,二者基本符合.

 
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