查询词典 optical

Abbe urges Schott to collaborate in the development of optical glasses with special properties.

阿贝鼓动肖特与他合作研发具有独特性质的光学玻璃材料。

Abbe's "sine condition", for example, has to be fulfilled by all high-performance lenses and optical systems.

比如他的"阿贝正弦条件"已经被现代高性能镜头和光学系统所验证。

During the ensuing six years, Zeiss and Abbe work intensively to lay the scientific foundations for the design and fabrication of optical systems.

在此后的六年中，蔡司和阿贝通过紧密合作奠定了光学系统制造及设计的理论基石。

So Zeiss and Abbe, now business partners, face another challenge: the development of new kinds of optical glass satisfying Abbe's specifications.

此时已经是商业合作伙伴的蔡司和阿贝不得不面临新的挑战：研发新的光学玻璃能够满足阿贝的理论设计。

Several breakthroughs in optical systems were the work of physicist and mathematician Ernst Abbe.

作为物理学家和数学家，Ernst Abbe设计出许多突破性的光学系统。

This study used a spectrometer and the above-water sampling method to measure the water's optical properties of the Jin River.

采用适合二类水体的水表面以上光谱测量法，对福建省晋江下游河段进行高光谱采样。

An optical model used for grassland assessment is established based on the relationship between vegetation index and aboveground biomass.

通过地上生物量和植被指数间的对应关系，建立草原生产力估产模型。

Experimental accuracy and repetition of FBG temperature sensitivity and compensation were discussed.have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber;have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of FBG wave-length, have obtained the first step conclusion;have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes.

本文所做的主要工作包括以下几个内容：一、选取了常见的热膨胀系数大的材料制作封装元件，经过多次一80℃到80℃反复测试，封装元件没有出现老化开裂、封装裂纹、空洞、离层等缺陷，封装材料具有良好的温敏稳定性及复用性，与光纤相容性较好；二、对光纤光栅进行简单、实用的封装处理，就封装效果的优劣性、波长测量的准确度、重复性和封装时产生的波长损失等方面进行了一系列的实验，得出了初步的结论；三、对温敏和温度补偿式封装的实验数据进行了详细的分析和对比，从数字上对温变过程中光纤光栅中心波长的改变及温变曲线进行了定量的分析，在大量实验数据分析结果的基础上，总结出哪种材料封装效果更好，以及如何有效的减小实验误差。

Virtual absolute optical encoders;; coding theory;; decoding methods;; subdivision;; identification direction;; FPGA;; signal processing systems;; angle measurement

论文导师胡晓东，论文学位硕士，论文专业信号与信息处理论文单位中国科学院研究生院（西安光学精密机械研究所），点击次数 22，论文页数 73页File Size5808K

It is found that the phase-conjugate fifth-order polarization beat is due to the interference between fifth- and fifth-order optical polarizations, the beat signal oscillates not only temporally but also spatially, and the measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth.

发现相位共轭五阶极化拍频是五阶非线性光学极化强度之间干涉的结果，拍频信号不仅进行着时间振荡而且同时进行着空间振荡，它对激光绝对频率的测量可达到与激光线宽同一量级的精度。

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜，这支南方球队将会更坚持其一贯而有效的4-3-3阵型，洛佩斯和塞德维奇将取代受伤缺席的詹保罗，和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外，西方较自由的生活方式对年轻人的影响增大。