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偏振
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  polarization
    POLARIZATION ANALYSIS AND ITS APPLICATION IN SURFACE WAVE STUDIES
    偏振分析程序POLALYS在面波研究中的应用
短句来源
    DIGITAL PROCESSING OF THE POLARIZATION STATE OF GEOPHYSICAL ULF SIGNALS
    ULF地球物理信号偏振状态的数字处理
短句来源
    Sn Wave Polarization in Sichuan Region
    四川地区Sn波偏振
短句来源
    The analysis of polarization in three component seismic data and its application
    三分量数据的偏振分析及其应用
短句来源
    and then,an adaptive polarization filter is designed to depress the random noise effectively.
    根据所求得的偏振参数以及随机噪声和有效信号的偏振特性差异,设计相应的自适应滤波器,通过该滤波器的滤波作用,最终实现压制随机噪声的目的.
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  “偏振”译为未确定词的双语例句
    Quantitative measurements of shear wave polarizations at the Anza seismic network,Southern California:implications for shear wave splitting and earthquake prediction
    加州南部安扎地震台网剪切波偏振的定量测量:剪切波分裂与地震预测之间的关系
短句来源
    By using particle motion method, the direction of fast shear wave was found 22°N±19°E, while the delay time between the fast and slow shear waves was obtained to be (65±16) ms.
    通过质点运动的方法得出 :快横波的偏振方向为 2 2°N± 19°E ; 且快、慢横波的延时之差为 6 5± 16ms .
短句来源
    By aspect ratio method, the direction of fast shear wave was determined to be 35°N±18°E and the delay time between fast and slow shear waves was found to be (49±10) ms.
    用纵横比的方法得到的结果为 :快横波的偏振方向 35°N± 18°E ,且快、慢横波的延时之差为 (4 9± 10 )ms .
短句来源
    The results show that dominant directions of polarizations of fast shear-waves at most stations are mainly at nearly N-S or NNW direction in Yunnan.
    结果表明,云南地区大部分台站的快剪切波偏振优势方向主要为近N—S或NNW方向;
短句来源
    APPLICATION OF DUAL-POLARIZATION RADAR IN HYDROLOGICAL FORECAST A DEVELOPMENT OF HYDROLOGICAL FORECASTING SYSTEM
    双线偏振雷达在水文预报领域的应用——实时水文预报系统的研制
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  polarization
In the interesting case when the group is of Coxeter typeDn (n≥4) we use higher polarization operators introduced by Wallach.
      
When the characteristic of k is 0, it is known that the invariants of d vectors, d ≥ n, are obtained from those of n vectors by polarization.
      
From elements of the invariant algebra C[V]G we obtain, by polarization, elements of C[kV]G, where k ≥ 1 and kV denotes the direct sum of k copies of V.
      
The remanent polarization (Pr) and coercive electric field (Ec) of the measured PZT thin films are 47.7 μC/cm2 and 18 kV/cm, respectively.
      
Impact of polarization mode dispersion and nonlinear effect on 40 Gbit/s dense wavelength division multiplexing system
      
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A kind of ionospheric polariometer, made in the Institute of Space Physics, Academia Sinica, is described. Some preliminary results of observation especially the results of the total eclipse observation in Yunnan province on Feb. 16, 1980 are presented.

本文介绍505-A型电离层偏振仪的性能以及一些初步观测结果,特别是1980年云南日全食观测结果。

By using the laser Doppler velocimeter of polarization differentiation and Jsp-1 signal processor-counter (PLDV-Jsp-1), an experimental study of the turbuleut flow characteristics downstream of the hydraulic jump has been carried out.On the basis of the results obtained,the turbulent energy,turbul-ence intensity and the actual energy dissipation rate are analyzed.The law of transformation and attenuation of the turbulent energy and their relation with Froude numbers are given. The frequency characteristics of...

By using the laser Doppler velocimeter of polarization differentiation and Jsp-1 signal processor-counter (PLDV-Jsp-1), an experimental study of the turbuleut flow characteristics downstream of the hydraulic jump has been carried out.On the basis of the results obtained,the turbulent energy,turbul-ence intensity and the actual energy dissipation rate are analyzed.The law of transformation and attenuation of the turbulent energy and their relation with Froude numbers are given. The frequency characteristics of great turbulent energy are obtained. By means of regression analysis,the equations for calculating the turbulent energy,turbulence intensity and their attenuations are established. It is believed that the great turbulent energy at low Froude numbers acting on the downstream river bed is the main cause of the erosion The length of river bed to be protected downstream of a stilling basin is recommended.

本试验用偏振差动激光测速仪和Jsp-1型信号处理器对水跃下游水流的紊动特性进行了系统的试验研究。根据试验成果,分析了紊动能量、紊动强度和水跃的实际消能率,得出紊动能的转换和衰减规律以及与弗氏数Fr的关系。得出较大紊动能出现频率的沿程变化。通过回归计算,给出了紊动能和紊动强度及其衰减率的计算式。认为较大紊动能的频繁作用是造成下游河床冲刷破坏的主要因素,并提出消力池下游最需要保护的河段长度。

Sudden increases of the ionospheric total electron content (TEC) during the great solar flare burst near 2356 UT on 24 April 1984 were simultaneously observed at Xin-xiang (35.3°N, 113.9°E) and Chongqing(29.5°N, 106.4°E) by means of Faraday rotation measurements of the VHF signals from the Japanese geostationary satellite ETS-II. These sudden increases lasted three and a half minutes, and the values of TEC increases at Xinxiang and Chongqing reached 9.4×1016 and 14.3×1016 ele./m2 respectively. The phenomenon...

Sudden increases of the ionospheric total electron content (TEC) during the great solar flare burst near 2356 UT on 24 April 1984 were simultaneously observed at Xin-xiang (35.3°N, 113.9°E) and Chongqing(29.5°N, 106.4°E) by means of Faraday rotation measurements of the VHF signals from the Japanese geostationary satellite ETS-II. These sudden increases lasted three and a half minutes, and the values of TEC increases at Xinxiang and Chongqing reached 9.4×1016 and 14.3×1016 ele./m2 respectively. The phenomenon recorded by polarimeters is compared with results from neighbouring ionosondes and VLF phase-locked receiver. The analysis shows that there are appreciable increases of electron density both in the ionospheric D-region and the F-region and the latter is the main part of the sharp TEC increases.

本文给出1984年4月24日2356 UT太阳耀斑爆发期间在新乡和重庆两地利用法拉第技术接收日本同步卫星ETS-Ⅱ的甚高频信号所得到的电离层电子总含量的异常变化.两站在耀斑爆发期间的三分半钟内同时观测到电离层电子总含量的突然急剧增加.它们的增量分别为9.4×10~(16)和14.3×10~(16)ele/m~2.本文还将偏振仪所观测到的现象与电离层垂测记录及甚低频锁相接收机所观测到的记录作了比较.分析的结果表明,大太阳耀斑期间不仅D层的电子浓度大大增加,而且F层的电子浓度也显著增加,后者是这次总含量剧增的主要部分.

 
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