波段

The paper has researched the effect of infrared emissivity on camouflage characteristics and emission temperature of target.

研究了红外辐射率对双波段红外隐身效果和辐射温度的影响。

In this study, AlGaN/GaN hetero-junction photo-transistors in detecting ultraviolet spectra have been fabricated and characterized. One of the HPTs features as low-temperature grown GaN insertion layer between based and emitter layers to reduce dark current. The internal gain and response time are also studied for the HPTs with and without the LT-GaN layer.

中文摘要本论文针对氮化镓/氮化铝镓系列异质接面光电晶体作为紫外光波段侦测器之相关制作与研究，包括於磊晶结构中有无插入一层低温成长氮化镓层之两种异质接面光电晶体，并比较其元件讯号放大效果以及响应时间的改变。

Enceladus is 499 kilometers (310 miles) wide.

由于土星高层大气分子对太阳光的散射，，土星本身在紫外线波段并没有什么明显的特征。

The infrared stealth coatings mostly aim at the scout of thermal infrared imager , and be conducted to depress brightness of the object in infrared band , enshroud or distort the shape of the object on thermal infrared imager , reduce probability of the object discriminated and found .

红外隐身涂层材料主要针对红外热像仪的侦察，旨在降低目标在红外波段的亮度，掩盖或变形目标在红外热像仪中的形状，降低其被发现和识别的概率。

The fire broke out in the end it is the backyard of last resort, or on the market to determine the error, or out of band operation to consider, perhaps follow-up of the market data can give an answer.

火警发生在最后这是最后的手段，或在市场后院，以确定该错误，或从波段操作考虑，或许后续的市场数据可以回答。

Land surface emissivity is an essential parameter for land surface temperature retrieval from thermal remote sensing data.

地表比辐射率是用热红外波段遥感数据反演地表温度的关键参数。

With a view to necessities of component temperature retrieval and exiguity of valid spaceborne multi-angular data set, it is undeniable that it is of great practical significance to study component temperature retrieval algorithm based on multi-channel data set.

鉴于地表组分温度反演的必要性以及符合要求的星载多角度遥感数据的不易获得性，研究基于多波段遥感数据的地表组分温度反演方法，无疑具有非常重要的现实意义。

The lens system adopted the Reverse-Telephoto configuration which had an effective focal length of 5.5mm,an F-number of F/4 ,a field of view of 175°,and a working wavelength in the range of visible spectrum.

系统焦距为5.5mm，相对孔径为1/4，全视场角175°，光谱范围为可见光波段，采用了3组10片的反远距型结构。

The angle can be calculated according to weighting factor in the three-dimensional space.

2在向量空间中计算旋转变换的角度，不同的角度下对应不同的因子载荷，当因子载荷在不同波段上的分布离散度较大时，具有较好的分类结果，便于结果的解释

The results of this work lay the foundation for the further study of the design and experiments of IR SASE FEL at Peking University.

本文的开展为该973项目的物理设计和实验研究打下了基础，为其它波段SASE FEL的开展提供了借鉴和参考。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。