远红外

The general condition for athermalizing an optical system when the object surface is at finite or infinite distance is deduced in this paper, and the principle and design method of employing a diffractive optical element to athermalize and achromatize an optical system with normalized T-C chart are expanded.

推导了物面位于有限远和无限远时，实现热补偿的通用条件；并阐述了利用归化T-C 图设计消热差和消色差的红外光学系统的原理和方法。

A suit of computer control spectrum quantitative analysis system has been successfully performed on the wave bands from ultraviolet to infrared of cathodoluminescence.

中文摘要：组装调试成功从远紫外到中红外波段阴极荧光计算机自动控制定量光谱分析系统。

A significantly high precision with a root mean square deviation of 1.67℃ has been achieved by the approach introduced in this paper,which shows the advantages of synthetically utilizing multi-satellite data.

由于陆地表面远比海洋表面复杂，陆地表面温度反演一直是热红外遥感研究中的一大难题。

The infrared coupling optical system is a middleinfrared system with a long focal length, larger field and telecentric beam path in image space, which is required to match with the parameters of two homing optical systems.

该红外光学系统是一个要求与2个导引光学系统的光学技术参数相匹配的长焦距、大视场和具有像方远心光路的中红外光学系统。

Aimed at long detection distance and heavy noise disturbance in the long-distance-coefficient infrared thermoscope, a new digital phase sensitive detection method for weak signal was proposed.

针对大距离系数红外测温仪测温距离远和噪声干扰大的特点，提出一种微弱信号数字相敏检测方法。

The equipment provided with all necessary function of testing,not only can measu re the OTF of camera and afocal system, but also measure focal length, angular m agnification and transmission and so on.

杨红大口径可见光到红外波段OTF测试仪测量功能齐全，即可测量照相系统、望远系统的光学传递函数，并且兼有测量焦距、放大率和光谱透射比等参数的功能。

Then, Otus's threshold method is used to segment the image and locate the sea-sky-line, through which the target potential area can be determinated.

采用维纳自适应滤波，抑制随机噪声和高斯噪声；利用Otus阈值法分割图像，确定海天线和目标潜在区；利用Top Hat算子进行形态滤波处理，抑制平缓变化背景并保留高亮度区的目标和强噪声；选择结构元素进行形态开运算，去掉细小的背景杂波干扰；针对远距离舰艇小目标总是出现在海天线附近以及红外目标灰度高于其邻域背景的特点，确定阈值即可分离出真正的目标。

The transmission ratio exceeded 95% in near-infrared range, so the LCAS:Tm(superscript 3+) glasses can be used as high transmission optical glasses. The integral emission cross-sections outclassed 10^(-18)cm, the fluorescent ratios were higher and the radiative lifetimes were lenger, to the glasses are possible to be used as new laser function materials. The new strong and broad emissive bands for 400nm to 680nm emerge in the emission spectra of the another glasses samples.

高达95%以上近红外透过率表明，LCAS：Tm(上标 3+)玻璃可作为近红外波段高透过率光学玻璃；远大于10^(-18)cm的积分发射截面、较高的荧光分支比与能形成粒子数反转的荧光寿命表明，LCAS：Tm(上标 3+)玻璃可能成为一种新的激光功能材料。

Significant changes are also noted in temperature on bilateral trigger point and right side referred pain area before and after treatment with experimental group.

本研究目的是利用远红外温度摄影显像技术分析评估筋膜炎症候群，是否可成为临床的评估工具。

It is found that the peak splittings in the far-infrared spectra caused by the interaction can be clearly shown in nanorings with proper size and shape.

电子-电子相互作用引起的远红外谱的峰的劈裂可以在合适尺寸的纳米环中清晰的表现出来。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。