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- A number of integrated optic devices for phased-array radar systems are described including LiNbO_3 integrated-optic power splitter,electro- optic phase modulator,high dynamic range modulator,and integrated-optic Butler matrix. 本文介绍几种用于相控阵雷达的集成光学器件,包括:LiNbO_3集成光学功分器、电光相位调制器、大动态范围调制器和集成光学巴特勒矩阵。
- The phase difference between the two sources is gradually drifting with time. 两个源的位相差随时间逐渐移动。
- In practice there are three methods of accomplishing this phase difference. 在实践中有三种方法来获得相位差。
- Optical phase conjugate in Langmuir-Blodgett films of purple membrane[J]. 引用该论文 刘颂豪;杜卫冲;章献民;李庆国.
- Research on Subdividing Method for Random Phase Difference Fringe Signals[J]. 引用该论文 楚兴春;吕海宝;杜列波;周卫红.
- With the case of any orientations of optical axis in uniaxial crystal,the versatile and precise formula of the phase difference for a birefringent plate is derived by means of Huygens principle. 在单轴晶体光轴任意取向的情形下应用惠更斯原理导出了双折射滤光片产生位相差的精确公式,结合几种熟知的特殊情形进行了简要讨论,给出完全一致的相关结果,揭示该普遍公式的正确性。
- According to correlation function of the refractivity fluctuations,the optical phase degradation is calculated. 依据折射率起伏相关函数的两种形式 ,计算了光学相位差。
- Multi-forward optical phase conjugate wave outputs in Langmuir Blodgelt films[J]. 引用该论文 杜卫冲;章献民;陈抗生;卢兆伦;郑殷东;吴剑钟.
- For the nonproportional loading the dispersion become larger with the phase difference increasing. 在非比例加载条件下，随著相位差的增大，分散性增大。
- Achromatic retarder is such a device that can be used in wide spectrum in optical phase retardation. 消色差相位延迟器是在某一宽度光谱范围内使用的光相位延迟器件。
- How to measure phase difference quickly is a main research topic on scientific research in production. 如何快速准确地测量出相位差也是生产科研中重要的研究课题。
- For sinusoidal waveforms, it is equal to the cosine of the angle of phase difference between voltage and current. 对于正弦波来说，功率因子等于电压、电流位相差的余弦。
- Something that is quite likely to make it onto different radar screens in Japan soon, is the planned N.Korean missile flight. 这很可能使其进入不同的雷达屏幕上很快在日本，是北朝鲜导弹计划飞行。
- This movie demonstrates the phase difference and the amplitude decay of the E and H field in freespace. 本影片可看出真空中电场和磁场之间的相位差和振幅衰减的现象。
- In order to study laser propagation in inhomogeneous medium, Collins formula was improved by using time inversion characteristic of optic phase conjugation wave. 摘要为了解决非均匀介质中的光传输问题，利用光学相位共轭波的时间反演特性，实现了对克斯林衍射积分公式的改进。
- Phase difference between the terminal voltage of an alternator and its electromotive force. 交流电机的端电压和其电动势之间的相角差。
- Main interests are research on detection me-thods of trace pollutants, mechanism of environmental pollution and nonlinear optical phase conjugation. 主要从事环境微量污染物检测方法及污染机理研究，非线性光学相位共轭技术研究。
- In the processing, InSAR technique can be used to estimate the phase difference of the images. 利用该频谱偏移进行频谱合成形成较宽的距离向频谱及方位向频谱，从而提高系统的距离向分辨力及方位向分辨力。
- Preamble of the optical phase conjugation of the background and significance of topics and papers done on the contents in detail. 前言部分对光学相位共轭的选题背景和意义以及论文内容安排做了详细的阐述。
- A phase difference of 90°may therefore be obtained by means of two successive total reflections at either of these angles. 所以，如果在其中某一角度接连全反射两次，则可获得90°的相位差。
