而对波导管性能的最后一次测定是在3年以前。
The properties of the waveguide were last measured three years ago.
海洋声学波导遥测是一种特别令人兴奋的先进技术。
Ocean Acoustic Waveguide Remote Sensing is an especially exciting advance.
这就形成了一个“波导管”，就像一个单原子厚度的光纤电缆。
This produces a "waveguide," which functions like a one-atom-thick fiber optic cable.
其做法是在纳米级氧化硅透明衬底上生长氮化硅波导，衬底的折射率远小于波导。
The researchers placed a silicon nitride waveguide on a transparent nanoporous silicon oxide substrate that they specially developed to have a much lower refractive index than that of the waveguide.
惠普没有用光缆，而是应用了光波导——数条塑料细丝包以高反光的金属薄膜。
Instead of optical fibre, HP is using waveguides-small strips of plastic with grooves on their highly reflective metallic walls.
这种波导管的主要特点是结构简单。
This waveguide tube is chiefly characterized by its simplicity of structure.
泵的功率通过第二个波导管馈入。
快波和慢波都可以在这种波导中传播。
The fast and slow waves can both propagate in the waveguide system.
波导多层光存储技术是光存储领域的前沿课题。
The multilayered waveguide memory is a promising subject in the optical storage field.
光纤是一种玻璃波导，通常和人的头发一样细。
Optical fiber is a glass waveguide which is normally as thin as human hair.
本文讨论了在三层平板介质波导中横电波的传播问题。
The problem of a TE wave propagation in a three layers slab waveguide is discussed.
光波导结构在现代光通信领域里具有十分重要的用途。
Optical waveguide structures are of great importance for the application of the modern optical telecommunications.
这对于提高单脊波导缝隙相控阵天线的辐射性能具有重要意义。
This is significant in improving the radiation performance of the single ridged wave-guide slot phased antenna.
我们应用这一原理，研制出了新颖的波导同轴变换，性能甚佳。
By this theory, we have designed a new kind of waveguide-coaxial adapter with good performances.
含有不连续性结构的波导广泛应用于微波毫米波以及光学器件中。
Waveguides with discontinuities have many applications in microwave, millimeter wave and optical circuits.
由于波导也是一种“纳米通道”，使用光既可以捕获也能运送物体。
Because the waveguide is also a "nanochannel" it can both trap and transport objects using light.
通过对几种典型槽波导的波导波长的计算，验证了这种新方法的正确性。
Through calculating the guide wavelengths of the typically several groove guides, the correctness of the new method is verified.
用本文方法对正V形槽波导波导波长的计算结果与文献中的实验值吻合很好。
Calculated results for the guided wavelengths of the regular V-groove guide agree very well with measured values in available literature.
这一分析方法简便快捷，能够处理电极有一定厚度的多层光波导调制器结构。
This method provides a simple and fast approach to the analysis of the multi-layered structures with finite electrode thickness.
信号传输线(一个同轴波导管)贯穿整个塔身，通过它，信号从传输器运送到塔尖的天线。
The entire length of the tower is equipped with a feeder (a coaxial wave-guide) through which signals are transmitted from the transmitter to the antenna on the spire.
观测和模拟结果都表明，在北半球冬季准定常行星波的经向传播存在两支波导。
Both observations and simulations indicate that in the Northern Hemisphere winter there are two waveguides for the meridional propagation of quasi-stationary planetary waves.
本文在介绍大气波导的分类基础上，重点论述了蒸发波导对雷达探测距离的影响。
This paper introduces the classification of atmospheric duct, analyzes the influence of the evaporation duct on the detecting range of radars.
运用电磁场理论详细分析了环状波导管内电磁场各分量方程、模式特征及其强度分布。
Equations of components, field properties and intensity distribution of the electromagnetic field of the annular waveguide are analyzed in detail with the theory of the electromagnetic field.
本文主要研究了时域有限差分法（FDTD）在波导结构电磁场特性分析方面的应用。
This thesis presents the FDTD applications in the electromagnetic simulation of waveguide structures.
每个机器人上装有声波导航和测距装置，这也使得它们不会碰撞到墙壁与其它的机器人。
Eight sonars on each unit helped them avoid collisions with walls and other robots.
他们还在波导中嵌入了量子点(一种能释放单光子的微小半导体)作为代理来使原子与光子产生纠缠。
They also embedded quantum dots, tiny semiconductors that can emit a single photon at a time, in the waveguide as a proxy for atoms that could become entangled with the photons.
干涉仪的两个臂长相差波导波长的四分之一，使器件在最佳线性点工作，无需外加电偏压。
Two arms of the interferometer are different in length by one -quarter of a guide wavelength, allowing the device to operate at its optimal linearity point without external electrical bias.
例如，当一个中微子击中格朗萨索的检测器后，该信号必须通过波导管传送8公里方能进行时间测量。
For instance, when a neutrino strikes the detector in Gran Sasso, that signal has to travel 8km through a waveguide before a timing measurement can be made.
例如，当一个中微子击中格朗萨索的检测器后，该信号必须通过波导管传送8公里方能进行时间测量。
For instance, when a neutrino strikes the detector in Gran Sasso, that signal has to travel 8km through a waveguide before a timing measurement can be made.
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