查询词典 waveguide

The InGaAs/GaAs/AlGaAs strained layer quantum well lasers were grown by molecular beam epitaxy. Ridge waveguide InGaAs/GaAs/AlGaAs strained layer quantum well lasers operating in the fundamental transverse mode up to 140 mW at a wavelength of 980 nm were fabricated.

利用分子束外延生长了InGaAs/GaAs/AlGaAs应变量子阱激光器材料并研制出基横模输出功率大于140 mW，激射波长为980 nm的脊形波导应变量子阱激光器，其微分量子效率为0.8 W/A，垂直和平行结平面方向远场发散角分别为28°和6.8°。

It is amended and perfected so that it can be used to analyze the transmission characteristics of the arbitrary metallic waveguide filled with symmetrical and non-symmetrical dielectric, metallic resonance cavity with the arbitrary shapes, and other boundary value problems of the electromagnetic field.

本文对上述方法进行了修正、丰富和完善，使其可以较方便地分析填充均匀和非均匀介质的任意横截面金属波导的传输性能和任意形状金属谐振腔的特性以及其它一些电磁场边值问题。

Results indicate that the waves with certain frequencies in the waveguide can be downloaded into the cavity when resonance coupling occur and different frequencies are downloaded to cavities with different structures.

而具有特定本征共振频率的光子晶体微腔可将在其附近波导中传播的相应频率成份的光下载到微腔中，不同结构的腔可以&下载&不同频率成份的波。

The proposed antenna consists of a rectangular metal patch on a printed circuit board fed by a 50- coplanar waveguide. By cutting a C-shaped slot in the rectangular radiating patch,a frequency band notch will be created. The proposed antenna yields an impedance bandwidth of 3.1-10.6GHz with VSWR,except the bandwidth of 5-6GHz for WLAN.

天线采用印刷电路板上的矩形贴片作为辐射单元，并由同一面上的共面波导馈电，通过在矩形贴片上开一个C形槽来实现陷波功能，电磁仿真软件Ansoft HFSS10的仿真结果显示，合适地选择C形槽的尺寸可以调整陷波的中心频率和带宽。

The flexible nature of ASOC technology means it can also be utilized to provide application specific, high functionality, high value devices including Arrayed Waveguide Gratings and Variable Optical Attenuators.

ASOC技术的灵活性意味着该项技术同样可以应用于提供偏向于应用的、功能广泛的高价值元器件包括阵列波导光栅以及可调式光衰减器。

This approach can treat a wide range of waveguide problems with arbitrarily-shaped crosssection and regions of inhomogeneity, anisotropy, and loss or gain.

这种办法可以治疗一系列范围广泛的问题，波导任意形截面和地区的不均匀性，各向异性，与得失。

The thicknesses of the layers between the active region and the ridge waveguide are optimized by taking into account the injected carrier distribution and local material gain in the SLD cross section.

考虑了注入载流子横向分布的不均匀，较准确地计算了模式增益。结果表明，通过对残留层和上光限制层厚度的优化，可以有效提高SLD与单模光纤的耦合功率。

Project areas may include waveguide components and subassemblies used in the RF path between a microwave transceiver and the antenna, such as diplexers, filters and couplers

项目范围可能包括用在微波收发器和天线间通道的波导管组合件和部件，比如双工器、滤波器和耦合器

The propagation properties in a symmetrical three slabs air waveguide with lefthanded materials as substrate and cover layers were studied.

研究了左手材料作为衬底及覆盖层的对称三层平板空气波导的传输特性。

In the antenna system, a dual-reflector antenna with two paraboloids is fed by the beam waveguide feeding system formed by three reflectors, realizing quick scanning of the beam.

该天线利用由三面反射镜组成的波束波导对一个由两个抛物面镜组成的双反射面天线进行馈电，实现了波束的快速扫描。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。