The Bionic Orientation Mechanism in the Skylight Polarization Pattern 基于天空偏振光分布模式的仿生导航定向机理初探
Distinctive orientation and polarization effects are observed. 已观察到不同结晶取向和偏振的影响。
Theoretic study on orientation polarization of electric dipoles about leather 皮革材料偶极子转向极化的理论研究
The Feature Analysis for Orientation Image on Polarization Axis of Polarization-Maintaining Optic Fiber 保偏光纤偏振轴方位图象特征分析
Permissible deviations of polarizer orientation in the Polarization Imaging Spectrometer is analyzed and discussed when the given modulation depth are met. 分析讨论了偏振成像光谱仪在满足所需调制度时偏振化取向的允差偏角;
It is indicated that variation of orientation and polarization angle make less effect on reflectivity for both symmetric or asymmetric structure. 不管是对称的还是非对称的二维表面浮雕结构,方位角和极化角的变化对其反射率的影响都不明显;
Polarimetric SAR measures the amplitude and the phase of scattering echo to get the complex scattering matrix or Stokes matrix of ground targets. The power received by the antenna at any ellipse orientation and ellipticity angle can be calculated using the technique of polarization synthesis. 极化SAR通过测量地物目标的散射回波得到极化散射矩阵或Stokes矩阵,利用极化合成技术得到任意发射和接收极化组合下的天线接收功率。
Experiments showed that the novel method had more obvious characteristics and improved the sensitivity of angle orientation at around 0 degree of polarization axis of panda PMF comparing with traditional methods of azimuthal alignment. 实测表明,用于保偏光纤定轴时,在0°附近,与现有的其它定轴方法相比,五指型光强分布特征值判断法的特征更明显,提高了定轴的灵敏度。
In the experiments, three-channel polarization signals are acquired by the testing system successfully, the law that the ant's visual nervous system is sensitive to the orientation of skylight polarization is validated well by experimental curves. 在实验中,测试系统成功地采集到了三通道的偏振光信号,实验曲线很好地验证了沙蚁视觉神经系统对天空中偏振光方向敏感的响应规律。
Shear wave phase SKS of 11 earthquakes, collected from 23 stations of Yunnan digital seismic network, is analyzed by fitting the theoretical transverse component with the observed one for determining the orientation and extent of polarization seismic anisotropy of upper mantle. 对云南23个数字地震台11次地震的SKS记录,采用理论切向分量与实测切向分量拟合的方法,确定了快S波的偏振方向和快、慢波之间的时间延迟。
Orientation and polarization methods of as-grown KNbO_3 polydomain crystal are described. 描述了生成态铌酸钾多畴晶体的定向和单畴化方法。
Polarized image usually describes the polarization characteristics of objects by intensity, degree and orientation of polarization. 偏振遥感图像通常都采用强度、偏振度、偏振角来表征目标偏振特性。
Moreover, some influences of thermal effects on the transversal field distribution, the orientation of polarization, as well as output power of b-axis Nd: YAP ( Nd+ Cr: YAP) CW laser are analysed. 分析了b轴Nd+cr:YAP连续激光器中热效应对激光横向场分布,输出偏振方向以及输出功率的影响。
In accordance with the orientation, northeast and north northeast, of principal compressive stress in North China, the dominant orientation of the fast S wave polarization is northeast before the earthquake. 震前快S波偏振优势取向为北东向,符合华北地区主压应力方向为北东向和北北东向的特征。
As for a distribute target, the change of radar look angle and topographical slopes will arouse the polarization orientation angle s shifts. On the contrary, when the radar look angle is known, topographical slopes can be estimated from the variance of the polarization orientation angle. 对于分布目标而言,雷达视角和地形坡度的变化会引起极化方位角的偏移,相反,在雷达视角一定的情况下,可以根据极化方位角的变化来估算地形变化。
The result shows that the heat effect of dipole orientation polarization is the principal aspect of the medium loss in the four kinds of polarization phenomena of timbers. 分析表明:在木材的四种极化现象中偶极子取向极化的热效应是介质损耗的主要方面。
The orientation distribution of domains and the piezoelectric coefficient of tetragonal ceramic were discussed under conditions of unidirectional polarization and scanning polarization. 分析了在单向极化和扫描极化条件下,本征效应对四方相压电陶瓷压电系数的影响。主要讨论了电畴转向分布和陶瓷的压电系数。
It was indicated Cole-Cole equation can accurately exhibit the fluctuation of complex dielectric spectra. Meanwhile, it was also reasonable to replace multi-polarization with orientation polarization in microwave range. 结果表明,Cole-Cole拟合较为准确的反映了介电谱的变化趋势,同时也证明将多重介电极化等效为取向极化有一定的合理性。