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major polarization axis
相关语句
  偏振主轴
     The advantage of this method is that preliminary determination of the position of the major polarization axis is not needed and calculations of beat lengths become very simple.
     本方法的优点是不须预先确定光纤的偏振主轴的位置而且拍长度的计算也很容易。
短句来源
  相似匹配句对
     polarization.
     偏振条件下为非拉曼活性。
短句来源
     Choose the major
     选专业不要“雾里看花”
短句来源
     The major conclusions are:
     具体来看,其主要结论为:
短句来源
     Research of the polarization
     光偏振现象的研究
短句来源
     The study of exploring major minerals on the lunar surface with multi-angle polarization technology
     浅谈多角度偏振遥感技术及其在探测月球资源中的应用
短句来源
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  major polarization axis
Tilt angles close to 0 indicate that the major polarization axis is directed almost along the north-south direction.
      


Beat lengths of single-mode fibers were measured by determining the output polarization ellipticity εc of a circularly polarized beam of light incident on the twisted single-mode fiber diode laser and a 1.34μm Nd:YAP laser were used as monochromatic light sources. The advantage of this method is that preliminary determination of the position of the major polarization axis is not needed and calculations of beat lengths become very simple.

本文通过以圆偏振光入射于扭转的单模光纤并测定输出偏振光的偏振光椭圆率得到光纤的拍长度。工作在1.3μm的半导体激光器和Nd:YAP激光器用作单色光源。本方法的优点是不须预先确定光纤的偏振主轴的位置而且拍长度的计算也很容易。

In this paper the polarization characteristics of abnormal ULF electromagnetic emissions before each of 6 earthquakes taking place at Kashi region of Xinjiang from Nov. 17 to 29 in 1996 are studied. It is found that the polarizations of abnormal ULF electromagnetic emissions recorded before earthquake are almost linear after band-pass filter with frequency range of 0 08-0 16Hz. The direction of earthquake source is almost perpendicular to the diurnal average azimuth of major polarization axis in one...

In this paper the polarization characteristics of abnormal ULF electromagnetic emissions before each of 6 earthquakes taking place at Kashi region of Xinjiang from Nov. 17 to 29 in 1996 are studied. It is found that the polarizations of abnormal ULF electromagnetic emissions recorded before earthquake are almost linear after band-pass filter with frequency range of 0 08-0 16Hz. The direction of earthquake source is almost perpendicular to the diurnal average azimuth of major polarization axis in one day before each earthquake.

研究了 1 996年 1 1月 1 9— 2 7日在新疆喀什地区连续发生 6次 4 5级以上地震前记录到的超低频电磁辐射异常现象的偏振特性 ,发现震前记录到的该异常用 0 0 8— 0 1 6Hz的带通滤波器滤波后 ,水平磁场分量的偏振近似为线偏振 ,且震前 1天的偏振主轴方向日均值与喀什台到强震震源的方向之间有近乎垂直的关系 .

 
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