查询词典 optical

On the basis of the summarization and review on the researches and developments of the third-order optical nonlinear materials, the third-order optical nonlinearities of poly(l,4-phenylene vinylene) derivatives and metalloorganic compounds as well as the optical switching effects of poly(l,4-phenylene vinylene) derivatives are investigated.

在总结和回顾前人对三阶非线性光学材料研究的基础上，合成并研究了聚(1，4-苯亚乙烯)及其衍生物以及金属有机化合物的三阶光学非线性，同时对PPV及其衍生物的光开关特性进行了初步研究。

The requirements of Interference fiber optical gyroscope, optical time domain reflectometer,biomedicine optical coherence tomograph.

讨论了在干涉型光纤陀螺仪、光时域反射计、医学相干检测技术、波分复用技术中对SLD的要求。

Through years of exploration, the company optimize the framework for a huge - and optical centers,a mature logistics system step by step, radiation nationwide sales network and after-sale service, changed the traditional red tape optical methods to reduce the cost of expensive glasses, avouching for optical profession and accuracy.

通过几年的探索，公司逐步构架了庞大的供-配镜中心，成熟的物流体系，辐射全国范围的销售网络与售后保障，改变了传统繁琐的配镜方式，降低了昂贵的配镜费用，做到网上配镜专业、准确！

An optical demodulator and accompanying method that demodulates a DQPSK signal employing a single optical delay interferometer comprising a free-space Michelson interferometer having two optical paths, connected to a 1x2 coupler.

本发明提供了一种光解调器及其所附方法，它采用单个光延迟干涉仪来解调DQPSK信号，单个光延迟干涉仪由与1×2的耦合器相连的具有两条光路的自由空间迈克尔逊干涉仪组成。

The market share of its optical transmission system and optical cable products have been in the front rank of the domestic manufacturers and the occupancies of its optical active and passive devices in the home market have been in the first place.

烽火科技集团继承和光大了武汉邮科院在光通信领域的深厚技术背景，并在市场营销和产业化能力上实现跨越式增长，光传输系统设备和光缆产品的市场份额均位居中国制造商前列，光无源器件和有源器件产品的中国市场占有率双双名列第一。

Because the length of optical fiber delay lines has direct effects on the volume of laser warning system, the optical loss and the false alarm ratio, the optical fiber delay lines are permuted and combined based on the property of the laser pulse and the optimization theory.

针对光纤延迟线的长度对激光告警器的体积，光学损耗，虚警率等因素有着直接的影响，在此利用激光脉冲的相关特性，通过最优化理论对光纤延迟线进行排列组合，从而解算出光纤总长度的最小值，为激光测向告警器优化设计提供了重要的理论依据。

The theoretical analysis and experimental result show that the experimental setup can realize these functions including optical signal sorting and permuting etc., which also can be used in the fields of optical communication and optical information processing.

结果表明，该实验模块能够完成输入信号光的交换和排序等操作，可应用于光通信和光信息处理中。

The optical soliton propagation in monomode optical fibres with third-order dispersion is reinvestigated by using variational method. The evolution equations for optical soliton parameters are found, and self-wave-peak shift phenomena is explained quantitatively.

用变分法重新研究了单模光纤中的三阶色散对光孤子传输的影响，找到了光孤子参数的演化方程组，定量地解释了光孤子的自波峰漂移现象。

Carrier suppression double sideband optical signal with 40 GHz repetitive frequency is generated by using an optical phase modulator along with optical filtering technique.

在中心站采用相位调制器结合滤波的方法产生重复频率为40 GHz的载波抑制双边带毫米波信号，利用交叉复用器分离开毫米波信号的上下边带，其中的一个边带强度调制数据速率为2.5 Gbit/s的下行基带信号，另一个边带被发送到基站调制上行传输的基带数据。

All-optical wavelength conversion based on transient cross phase modulation of semiconductor optical amplifieris a promising approach to achieve high-speed all-optical signal processing.

采用半导体光放大器中的瞬态交叉相位调制效应是实现高速全光信号处理的有效途径。

I was just taking her hand, to help her out of a car, and I knew it.

我只是握着她的手，扶她下车，但我知道这一切。

China and South Korea have excoriated Japan over its approval of new school books which they say whitewash the atrocities committed during Japanese occupation, and anti-Japanese protests have been held in Chinese cities. The lingering bitterness over Japan's past imperialism still threatens to mar relations between the big East Asian powers

中国和韩国强烈谴责日本通过新的中学历史教科书，他们认为这一教科书掩盖了日本在其占领期间所犯下的残酷暴行，反日抗议活动在中国数座城市发生，历史上日本帝国主义制造的痛楚无法被忘却，这有可能破坏东亚强国间的关系。