photometric device是什么意思

用法例句

Relation between Near-infrared Luminosity and Wide Line Area Luminosity;

浅析近红外光度与宽线区光度的关系

The correlation between broad-band spectral index and luminosity for XBLs and FSRQs;

XBLs和平谱射电类星体间光度与宽波段谱指数的相关性分析

The Correlation Between Broad-band Spectral Index and Luminosity for XBLs and RBLs;

XBLs和RBLs间的光度与宽波段谱指数的相关性分析

The confirmation of color correction factor in LED photometric measurement calibration;

LED光度测量校准的色修正系数的确定

Relations between radiometry and photometry in the multispectral technic;

多光谱问题中辐射量与光度量之间的关系

years research activities with its experiences and lessons at Optical Division,NIM are reviewed, including photometry, radiometry, spectral radiometry, laser radiometry, spectrophotometry, determination of Km value, measurement of spectral luminous efficiency,standard lampsand related international comparison.

本文简要地回顾了中国计量科学研究院（ＮＩＭ）光学处３５年来在光度、辐射度、光谱辐射度、Ｋｍ值测量、激光辐射度、光谱光度、光谱光效率测量、标准灯和相关国际比对的研究活动及其经验教训。

A spectral-correction-integral-photometry method and its application in the measurement of the luminous flux of blue LEDs are introduced.

介绍了一种光谱校正积分光度法及其在蓝光LED光通量测量中的应用,对测量中的各种不确定因素作了理论分析,并与单纯的分光光度法和积分光度法的不确定度作了比较,证明该方法可实现极高的测量精度。