查询词典 attenuators

Both Polarization Dependent and Independent Variable Attenuators are possible.

光纤衰减器有极化独立和非独立两种。

Optical devices based on liquid crystals, such as variable optical attenuators, switches and tunable filters, have been introduced into the area of optical communications recently.

基于液晶技术实现的光器件目前开始应用于光通信领域，实现光信号的衰减、传输方向的切换以及滤波等功能。

These chip attenuators exhibit excellent high frequency characteristics up to 10GHz.

这些片上衰减器具有卓越的高频特性高达到10GHz。

You will need cables, connectors, and possibly coaxial splitters and attenuators, but these are all application-specific and you are likely to have them on your shelf anyway.

你也需要线缆，接头，同轴功分器，衰减器，但这些是所有应用规定的。

In order to duplicate these performance tests, the following precautions should be observed:-The mixer should be presented with good return losses at all ports by using isolators or attenuators.

为了重复这些性能测试中，应遵守以下预防措施：-的搅拌机应在隔离器或衰减器使用的所有端口的损失提出良好的回报。

NOISE AND DISTORTION,PERFORMANCE CHARACTERISTICS,ESD CAUTION,THEORY OF OPERATION,RINPUT AND MATCHING,-Q ATTENUATORS EVALUATION BOARD

噪音和失真，性能特征，放电警告，操作理论，射频输入和匹配，I/Q衰减器评估板

To improve the gain and stability of output microwave,an X-band high power coupled cavity traveling wave tube with one RF sever and two RF lumped attenuators is studied.

为提高行波管的增益和输出波形的稳定性，开展了带高频切断X波段大功率耦合腔行波管的研究工作。

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。

When 1053 nm 20 ns Nd:YLF laser was used as pump in a 3∶1 inverse expansion system are using attenuators to adjust input energy in the rang of 2 to 92 mJ, the rules of transmitted energy and waveform versus input energy are acquired, and compared with the results of focusing pump.

以波长1053nm、脉宽20 ns的Nd：YLF激光器为光源，采用3∶1的缩束系统，通过衰减片调整入射光能量在2mJ—92mJ变化，获得了透射光能量和功率波形随入射能量变化的规律，并与聚焦条件下的结果进行了比较。

After theoretical analysis and magnetic architecture simulation, we designed external magnetic control units, while were assembled with optical isolators, to achieve the variable optical attenuators through electric control.

在衰减原理分析及磁力模拟后，设计出外置式磁力控制单元装设在光隔离器，以达成电控可调光衰减器的功能。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。