光谱分布

This paper lays stress on the establishment of the optical system model of solar simulator and xenon short arc lamp model, especially the later.

文章着重介绍了太阳模拟器光学系统及氙灯的建模，尤其对短弧氙灯建模做了详细阐述，它是根据短弧氙灯的亮度分布图采用多个体光源嵌套的形式模拟氙灯，用角度切址文件和光谱分布数据定义短弧氙灯的角度分布和光谱分布。

However, if the spectrum distribution of the objective in the field is different, and its difference mainly reflected in a fix band with different monotone, then, the goal of identifying the object could be done by changing photosenser response band and enhancing the contrast of object and background.

但是若视场中的目标具有辐射光谱分布差异，且其光谱分布差异主要体现在某一固定波段具有不同的单调性，那么可以通过有选择地改变光电传感器的响应波段，来提高目标与背景的对比度，从而也可以达到辨识目标的目的。

First, the radiation intensity and spectral distribution of a target in the detection waveband are analyzed and simulated.

首先对目标在探测波段内的辐射强度的组成和光谱分布特点进行了分析，并对目标的辐射强度、光谱分布和运动等特征量进行了模拟。

Note: Commonly the relative spectral distribution is used, viz.

注： 通常使用相对光谱分布，即光度量或辐射度量的光谱分布由该量的任意比例值表示。

The distribution spectrum and spectral intensity were calibrated by means of mercury lamp standard tungsten lamp corresponding.

用标准汞灯和He-Ne激光器，对测量系统的光谱分布进行了校准；用标准钨带灯，对测量系统的光谱相对光强分布进行校准。

With the analyses of the characteristic of interferential multi-spectral images,a new compression algorithm was proposed,which is based on motion compensation and region of interest coding method.

根据干涉多光谱图像的谱间相关性和光谱分布特点，提出一种基于运动估计和感兴趣区域编码的干涉多光谱图像压缩方法。

The reflectance microspectra in the 600 to 700 nm region is measured by a visible microspetromater based on fiber confocal microscope. The microspectroscopy of the normal and cancerous gastric tissues is measured.

基于光纤共聚焦显微系统，建立了可见光显微光谱实验装置，测量了离体正常和癌变胃组织的显微光谱，给出了样品在600~700 nm波长范围内的显微光谱分布情况，实验结果表明可见光显微光谱技术简单、有效，可用于胃癌的早期检测。

Through collection of TIG welding arc light spectrum of steel with disturbing factor,this paper studied the effect of disturbing factors such as rusty and various gas flow rate on the arc light spectrum distribution.Furthermore, the light radiation of different spectral zones was studied to get the spectral signals that could reflect the disturbing factors which were critical for online welding quality control.

通过对干扰因素下TIG焊电弧的光谱信息进行采集，研究了气流量变化、焊接试件表面存在锈等干扰因素对焊接过程电弧光谱分布的影响，并基于光谱分布的分析，进一步探讨了不同光谱谱段对干扰因素的反映，寻求实现焊接过程质量在线光谱测控的理论依据。

Arc plume emis— sion spectrum which fits the Planck blackbody radiation function by assuming T=4 350 K shows Swan band system of C2.The arc plasma temperature is about 4 300~4 400K,and the error is about 100K.

放电过程中的电弧等离子体光谱测试表明其中主要有C2分子的发射峰，光谱分布曲线与普朗克黑体辐射曲线中T=4 350 K的分布情况吻合，确定放电电弧等离子体温度约4 300~4 400k，测量误差约100 K。

Supposing the spectral distribution of the chirped pulse after amplification is be Gauss or super-Gauss distribution,the inverse calculation on 100 J Nd∶glass chirped pulse amplication system is carried out.

理论上假定放大后啁啾脉冲的光谱分布为高斯分布或超高斯分布，对&百焦耳级钕玻璃啁啾脉冲放大系统&进行逆运算。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。