查询词典 geometrical optics

Recently, much attention has been attracted to the theory and experiment about nonlinearity at the low light levels in the quantum optics and laser physics fields.

近年来，有关弱光下非线性效应的理论和实验逐渐成为量子光学和激光物理学中重要的前沿课题。

Inst. of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China

中国科学院光电技术研究所，四川成都 610209

We are used to calling an instrument of this kind in optics a telescope, and the radioastronomical counterparts are therefore briefly named "radio telescope".

在光学上我们通常称这种类型的仪器叫望远镜，因而射电天文学上的对应物简称为&射电望远镜&。

Guided wave and fiber optics ; optical amplifier ; bidirectionally pumping ; numerical model ; optimal design

导波与光纤光学；光放大器；双向抽运；数值模型；优化设计

Cao Zhuangqi,Transfer Matrix Technique in Guided Wave Optics.

曹庄琪。导波光学中的转移矩阵方法。

The basic principle and experimental method of nonlinear guided-wave optics were employed to investigate all kinds of characteristics of nonlinear dynamic grating and its application by studying Kerr effects of nonlinear multilayers media film as well as interactions between guided wave and grating vector.

采用非线性导波光学基本原理和实验方法，通过对非线性多层介质薄膜的光学克尔效应的研究，导波与光栅矢量相互作用的研究，进一步探讨了非线性动态光栅的各种特性及其应用。

The results of spot pattern, centroid excursion, second moment radius and the Strehl ratio in the focal plane were obtained when the adaptive optics system was in the open or closed loop shape.

结果表明，Bradley-Hermann热畸变参数在300范围内，自适应光学系统相位补偿效果显著，Strehl比基本大于0.4。

Some kindsof fiber optics reflectance spectrophotometers have been used to identify pigments abroad, butit is difficult for the most Chinese museums and cultural relics departments to afford as theseinstruments are too expensive.

国外有人采用价格昂贵的光导纤维反射光谱仪对颜料成分作鉴定，但在我国大多博物馆和文博单位这种昂贵的仪器是很难推广使用。

NIR spectrophotometers of S1024DW and FOSS NIRS 6500 with specially designed fiber-optics were used to measure the NIR spectra of stationary rice kernels.

本研究以连续波段之近红外光谱仪进行静态单粒白米含水率之检测，并应用小型光纤光谱仪(S1024DW，Ocean)和实验室型分光光谱仪(FOSS NIRS 6500)两种仪器进行光谱量测工作。

TV photoelectric theodolites made up of optics, machine, electron and computer is a complex tracking and measuring instrument.

中文摘要：电视光电经纬仪是集光、机、电与计算机应用技术于一体的大型复杂测量系统，它是广泛用于特种试验场的一种新型光电跟踪测量设备，跟踪精度是其最重要的的技术指标之一。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48