In addition, NIST has shown that extremely stable microwave signals can be generated from optical frequency combs.
另外,NIST还发现可以从光学频率梳产生非常稳定的微波信号。
The Raman pump signals from optical amplifier 108 and 104 propagate in spans contiguous to that shown in FIG. 1.
从光放大器108和104出去的拉曼泵浦信号沿着邻近的段传播,如图1中所示。
The transition from optical pumping to electrical pumping is of great significance for a organic semiconductor lasers.
有机半导体激光器实现了从光泵浦到电泵浦。
The standard methods for extracting range data from optical triangulation scanners are liable to the influence of these problems.
确定激光条纹中心传统的方法容易受到这些问题的影响。
Looking toward the grand southern constellation Centaurus, both views reveal stars and structures hidden from optical telescopes by obscuring dust.
往壮丽的南天星座半人马座方向看,两种图都显示出隐藏在尘埃后面光学望远镜看不见的恒星和结构。
Such telescopes are called reflectors, and they offer major advantages over refractors, which use two lenses and suffer from optical distortion effects.
这种类型的望远镜称为反射望远镜,比折射望远镜更具有优势,后者需要用到两个透镜,而且会受到光学畸变效应的影响。
SAR image carries information quite different from optical image; image fusion can combine the two types of information together, making them more useful.
SAR图像和光学遥感图像所反映的地物信息差别很大,影像融合技术能综合二者信息,发挥出更大优势。
Based on the nonreciprocal property of Faraday effect, we investigate the light output from optical reflection cavity filled with Faraday optical rotation medium.
根据法拉第磁光效应的非互易性,分析了旋光反射腔的光强输出特性,表明这种反射腔具有旋光增强效应。
Making better solar cells may sound very different from optical communications, but understanding how light interacts with a device is equally important in this context.
制造更好的太阳能蓄电池听起来和光通信相差万里,但是了解光是如何与设备相互影响这一点在这种背景下是同等重要的。
The addition of fillers reforms the debris wear characteristic of UHMWPE and the worn surfaces of UHMWPE composites present furrow wear characteristic from optical microscope.
光学显微镜观察表明填料的加入大大改善了UHMWPE的磨粒磨损,复合材料表面以较浅的犁沟磨损为主要特征。
Radar imaging geometry, which performs imaging in the direction of slanting range at the sample time of electromagnetic echo reflection, is quite different from optical imagery.
雷达是通过接收一定时间间隔内电磁回波成像,它与可见光成像不同。
It utilized the microbend loss resulting from optical fiber bending to measure the change of environmental parameters, such as pressure, temperature, acceleration, strain and flow.
光纤微弯传感器是一种强度调制式光纤传感器,它是利用光纤的微弯损耗效应来测量压力、温度、加速度、应变、流量等环境参量的变化。
The spatial reflected characteristic and spectral characteristic from optical material surfaces were effectively described by the BRDF (Bi-directional Reflectance Distribution Function).
双向反射分布函数(BRDF)有效地描述了材料表面的空间反射特性和光谱特性。
During the photoelectric conversion process of output signal from optical torque sensor, DC level drift error induced by temperature influence will affect the measuring accuracy of the system.
光扭矩传感器的输出信号在进行光电转换过程中,由于温度影响,造成了直流电平漂移误差,影响系统的测量精度。
The study, entitled "Information Leakage from Optical Emanations", details how flickering light from a common screen reflected off a wall can reveal whatever appears on the screen of a PC monitor.
这篇名为“发射光导致的信息泄漏”的研究报告,对如何透过一个普通的屏幕反射到墙壁上的闪烁光线显示微机显示器屏幕上实际出现的内容,作了详细的描述。
From end to end, the Milky Way's starry disk, observable with the naked eye and through optical telescopes, spans 120,000 light-years.
从一端到另一端,银河系布满星星的圆盘横跨12万光年,可以用肉眼和光学望远镜观察到。
Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.
伽利略并没有发明望远镜,但在1609年听到有人制造了这种光学仪器后,他很快用管风琴管和眼镜镜片制造了自己的望远镜。
At each end of the fibre, optical signals must be converted to or from the electrical signals that computers use to process information.
在纤维的各端,必须将光信号转换成电信号或者将电信号转换成光信号,计算机用电信号处理信息。
A company plans to develop a prototype weeding machine that uses cutting blades with optical sensors and microprocessors that distinguish weeds from crop plants by differences in shade of color.
一家公司计划开发一种原型除草机,它使用带有光学传感器和微处理器的刀片,通过颜色的深浅区别杂草和作物。
Dr Hess envisages a ray of light travelling down an optical fibre made from two materials: a core with a negative refractive index and an outer sheath with a positive one.
赫斯博士构想出一个画面,即一道光正穿越于一个由两种材料制作的光导纤维,一种是具有正折射指数的纤维核,另一种则是具有正折射指数的外围。
Stars in the process of formation, called young stellar objects or YSOs, are embedded in the compact pinkish nebulae seen here, but are otherwise hidden from the prying eyes of optical telescopes.
在形成过程中的恒星,被称为年轻恒星或者yso,都嵌在了你所看到的紧凑的粉色星云之中,不过如果通过光学望远镜来观察的话是看不到的。
Green shows optical data from the Hubble Space Telescope, and blue at the galaxy's core represents radio data from the Very Large Array in New Mexico.
绿色部分则是来自于哈勃太空望远镜的光学数据;位于墨西哥的甚大阵射电望远镜接受的无线电数据则贡献了星系中心的蓝色部分。
It is in this area where a number of new optical alternatives are emerging from some of the biggest firms in the business.
这就是光学替代领域的市场正在那些最大的公司中崛起的原因。
The image includes X-ray data from Chandra (colored purple), optical and ultraviolet (UV) data from Hubble (red and orange), and radio emission from the Very Large Array (VLA) and MERLIN (blue).
图像中的x射线数据来自钱德拉(紫色部分),光波和紫外光数据来自哈勃(红色和橙色),射电辐射则来自甚大阵射电望远镜(very largearray)和梅林(蓝色)。
It is beginning a long, slow shift from spinning optical drives to high-capacity solid-state storage (SSD).
在旋转的光盘驱动器向高容量的固态硬盘(SSD)的转变中,Facebook已经开始了很长时间了。
At this distance the optical light from stars is shifted, or stretched, to infrared wavelengths that can only be observed in outer space by Spitzer.
在这个距离,恒星的光源光被折射,或拉伸成红外波长,在外层空间只有斯皮策太空望远镜才能观测到。
The same problem also affects fixed-line telecoms networks, as broadband infrastructure is upgraded from copper wires to optical fibres and new equipment is installed to handle larger volumes of data.
随着宽带网络基础设施从铜线升级到光缆,和处理为处理大批量数据使用新设备,同样的问题也困扰着有线电信网络。
This has to match another encrypted key that is generated from a string of data scanned into the system from the optical bar-code printed in the passport.
这一密钥须同另一个密钥相匹配,后者是由印刷在护照上的条形码扫描入系统后生成的。
The pillars, they are not straight, but it’s giving the optical illusion that from a distance looks perfectly straight.
这些柱子不是垂直的,从远处看,视觉上的错觉看来笔直,水平面是这样。 柱子则是这样延伸。
The pillars, they are not straight, but it’s giving the optical illusion that from a distance looks perfectly straight.
这些柱子不是垂直的,从远处看,视觉上的错觉看来笔直,水平面是这样。 柱子则是这样延伸。
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