| 1. | Mathematical model and method for measurement of spectral irradiance 光谱辐照度测量的数学模型及其方法研究 |
| 2. | The target and background irradiance that can arrive at the detector ' s target plane were computed 计算了到达探测器靶面上目标和背景的光谱辐照度。 |
| 3. | Standard tables for reference solar spectral irradiances : direct normal and hemispherical on 37 tilted surface 参考太阳光谱辐照度的标准表: 37 ?斜面上直接垂直和半球状 |
| 4. | Solar energy - reference solar spectral irradiance at the ground at different receiving conditions - part 1 : direct normal and hemispherical solar irradiance for air mass 1 . 5 太阳能在地面不同接收条件下的太阳光谱辐照度标准第1部分:大气质量1 . 5的法向直接日射辐照度和半球向日射辐照度 |
| 5. | This paper is mainly relative to three parameters1 measurement , which are spectral irradiance , spectral radiance and colour temperature . the metrology of these parameters plays an important role in moder war 本文主要是进行了光谱辐照度、辐亮度及光源色温这三个参数的计量测试,这些参数的计量在现代化的战争中发挥着巨大的作用。 |
| 6. | First , the apparatus of spectral irradiance calibration is set up , and ultraviolet spectrum band uses a standard lamp offered by standard metrological institute of china , while vacuum ultraviolet spectrum uses a deuterium transfer lamp 地面辐射定标分为光谱辐照度定标和光谱辐亮度定标。光谱辐照度定标中选用了卤钨灯作为250nm 400nm标准光源,氘灯作为200nm 300nm的传递光源。 |
| 7. | Introduced these parameters and method into the model , the uvi and spectral irradiance of uv - b at mt . waliguan are simulated , and compared with the observational data . the results of the comparisons of between the measurements with the model outputs show that tuv is very accurate for the clear sky condition 在敏感性实验确立的适合瓦里关地区的地表反照率参数、气溶胶方案和云量订正方法的基础上模拟了瓦里关地表的uvi和uv - b光谱辐照度,与观测值进行比较,验证了tuv在晴天的模拟能力较好。 |
| 8. | Before 1990 , more than a dozen of overseas nations had founded the standard of spectral irradiance and spectral radiance in succession . the standard of spectral irradiance and spectral radiance in this country founded in 1980s has not met the measurement accuracy required by the research development of national defence 在90年代以前,国外陆续有十几个国家先后建立了光谱辐照度、辐亮度标准,我国国家计量院于80年代左右建立的光谱辐照度和光谱辐亮度标准已远不能满足国防科研发展对测量精度的要求。 |
| 9. | In order to realize the measurement of several parameters and broad - band spectrum ( 250nm ~ 3000nm ) on the same standard equipment , we make use of two main light paths . one is to measure spectral radiance , the other is to measure irradiance through integral sphere , translational stage and mirror changing the light path 本标准装置涉及参数多,包括光谱辐照度、光谱辐亮度、光源色温;光谱范围宽,覆盖了紫外、可见、红外;在同一套设备上实现多参数、宽光谱以及能量强度变化为7个数量级的精确测量。 |
| 10. | Standard lamp and diffusers are very important calibration elements , in chapter three , first uv and vuv radiometric standard for calibration are introduced . then the fabrication and characteristics of baso4 diffuser and alminium diffuser are researched , the baso4 diffuser ' s hemispheric reflectance and bi - directional reflectance distribution function were measured and compared with lambtian surface , and the deviation from that of lambtian surface is given . in the experiment , al diffuser ' s brdf is researched , obtain the change of spectral characteristic of al diffuser , compare al diffuser ' s brdf before and after coated with al + mgf2 , and different al diffusers with different surface roughness 铝漫反射板作为一个漫反射光学元件安装在太阳紫外光谱监视器的入射狭缝前,太阳紫外光谱监视器在轨测量时,太阳辐射入射到铝漫反射板后进入入射狭缝,光谱辐照度的角度是变化的,本章测量了铝漫反射的相对双向反射分布函数,研究了镀膜( al + mgf _ 2 )前后光谱反射率的变化,漫反射的光谱特性及漫反射板表面粗糙度对相对双向反射分布函数的影响,使得测量数据反演成为可能。 |