查询词典 polarization wave

The inention relates to a radio wave absorber which can achieve low cost, a small transportation volume, an excellent radio wave absorbing characteristic from a low frequency to a high frequency with a short length, a small or no difference in the characteristic of a polarization plane, and can be easily fabricated and worked.

本发明涉及一种电波吸收件、电波吸收体及其制造方法、以及电波暗室，用于实现下述的电波吸收体，其成本低、输送体积小、长度短、从低频到高频能获得良好的电波吸收特性，没有极化面特性差或该极化面特性差较小、重量轻、结构强度高、制造和施工容易。

It measures the rotation angle of optical wave polarization plane caused by magnetic field produced by current when the optical wave goes through magneto-optic material to calculate the current.

光纤电流传感器是以法拉第磁光效应为基础、以光纤为介质的新兴电力计量装置，它通过测量光波在通过磁光材料时其偏振面由于电流产生的磁场的作用而发生旋转的角度来确定被测电流的大小。

The main work and contributions accomplished in this dissertation are as follows:(1) The fundamental theory of electromagnetic wave polarimetry in radar, including the polarization representation of EM wave, the scattering coordinate system in polarimetric SAR imaging and the polarimetric scattering description, is presented.

本文的主要工作和贡献如下：(1)介绍了雷达极化的基本理论，包括极化表示以及极化SAR成像中的散射坐标系和极化散射描述。

As the optical diffraction and interference of light revealed the volatility of light polarization phenomenon is that all the optical and electromagnetic wave is transverse wave.

正如光的干涉和衍射现象揭示了光的波动性，光的偏振现象则表明了光及所有电磁波是横波。

And a conclusion that the small angle approximating is the precondition of sine wave magneto-optical modulation, and the constraint on angle can be relaxed applicably when sine wave magneto-optical modulation be used in measuring polarization was gained.

根据计算机模拟和实验研究的结果，对正弦波及方波磁光调制进行了比较分析，得出了方波磁光调制具有较大的应用价值和良好的应用前景的结论。

The system is based on optical heterodyne structure, and use half wave plate, quarter wave plate and polarization beam splitter to improve the intensity of Doppler signal and signal-noise-ratio.

系统采用了外差式纵向激光多普勒测量结构，利用1/2波片、1/4波片与偏振分光棱镜相结合及外差式参考光结构，有效地提高了多普勒信号的强度与信噪比。

In order to compensate the depolarization effects of optical component such as the dichroic mirror, we used the combination of a half-wave plate and a quarter-wave plate to rotate the polarization angle of the laser incident on the sample.

因此，我们使用了二分之一波长片及四分之一波长片来弥补这种效应，同时也藉此旋转雷射的偏振角度。

Polarimetric Synthetic Aperture Radar measures the frequency, magnitude, absolute and relative phase of targets' backscattering signals in imaging scene for any possible combination of transmit and receive antennas. The polarization synthesis technique on one hand has greatly increased the acquired polarization information, on the other hand increased the difficulty of system design and signal processing.

中文摘要极化合成孔径雷达的回波信号可以提供不同收发极化状态组合下成像场景内目标散射波的幅度、绝对和相对相位、频率等信息，极化合成技术的出现使获取的信息量成倍增加，信息量增加的同时系统设计和信号处理的复杂度增加，因此极化合成孔径雷达相关技术的研究成为微波遥感领域的热点。

The polarization state of reflected light of water and the relationship of incidence angle and degree of water polarization were deduced.

理论上证明了以非布儒斯特角入射时偏振消除太阳耀光的可能性，计算了从各个角度入射到纯净水体表面太阳耀光剥离的程度，实验验证了结论。

In order to study the grating diffractive field's characteristics of the partially polarized and coherent beams, an analytic expression of polarization degree and angular correlation of partially ploarized and coherent beams through polarized gratings is derived based on the beam coherentce-polarization matrix approach of partially coherent beams.

为了研究部分偏振部分相干光光栅衍射场的衍射特性，利用部分偏振部分相干光的光束相干-偏振矩阵，推导出了部分偏振部分相干光通过任意偏振光栅后，衍射场的偏振度及场中衍射级次角相关的一般解析表达式。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。