- degree of polarization
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偏振度的英文
例句与用法
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- The experiment results show that the polarization degree of metal plate surface has no direct relation with the temperature of the metal plate surface
实验结果表明，金属目标板热红外偏振度和其自身的热辐射亮温值没有直接的关系。 - Abstract : the measurement method of the polarization grade for the source and depolarization and the concept of the polarization error for the illuminance meter are described
文摘:介绍了光源偏振度的测量和消偏振的方法以及照度计偏振误差的概念。 - However , the relationship between the thermal emission polarization degree of metal plate surface and viewing angle of the detector does not obey the rule , when the viewing angle is smaller than 20 degree
但在观测角小于20时测量，金属目标板热红外偏振度和观测角之间的关系并不遵循上述原则。 - It is shown that the aperture affects the polarization and irradiance distributions of pgsm beams , and that the change of degree of polarization is not monotonous with the change of truncation parameter
光阑衍射影响着pgsm光束的偏振和光强分布， pgsm光束的偏振度随截断参数的变化不是单调变化。 - A monte carlo algorithm was presented to model the relation between the scattering phenomenon , depolarization changes and sea water depth , it is discovered that the radius of scattering point and the degree of depolarization increase with increasing of the sea water depth . at last , a optical engineering software ( lighttools ) is introduced to simulate optical scattering in the deep sea water , and studys the corelation between scattering and relative refractive index , particle density and particle size in the sea water . the experiment results show that the intensity of scattering will increase evidently with the increasing of particle size , particle density and relative refractive index . the methods and results in the article provide the basic theory and experiment validation for improving performance of communication , detection and imaging under sea water
本文以球形粒子的mie散射理论、 stokes矢量法以及mueller矩阵来研究海水的散射特性和散射中的退偏振度变化;通过montecarlo方法模拟蓝绿激光在海水传输过程中的散射现象以及散射中的退偏度变化与海水深度的关系,发现随着海水深度的增加,散射后的光斑半径、退偏振度将逐渐增大。最后通过光学工程软件( lighttools )对海水中的散射进行仿真实验,研究散射与海水中粒子密度、粒子大小和相对折射率的关系。实验结果表明,随着粒子半径、粒子密度和相对折射率的增加,散射的强度将显著增加。