With a mobile spectral radiometer, spectral reflectance of wheat canopy was observed continuously.
利用便携式冠层光谱仪对小麦进行连续观测获取光谱数据。
At the same time, the probe's Descent Imager and Spectral Radiometer (DISR) will take pictures of the methane clouds so that researchers can determine their size and shape.
同时，探测器的“降落摄影光谱无线电仪”(DISR)将拍摄甲烷云的照片，让研究人员能判定其大小与形状。
The principle, apparatus, calibration methods of the spectral radiometer calibration for airborne multispectral scanners are described. The experimental results and discus-sions are given.
介绍了机载多光谱扫描仪光谱定标的原理、装置及实验方法，并给出了部分结果与讨论。
The new method is that the absolute spectral response of filter radiometer is measured with cryogenic radiometer, so that makes it possible to reappear candela.
该方法用低温辐射计测出滤光辐射计的绝对光谱响应，从而使坎德拉的复现成为可能。
In this paper, the discrete samples of the spectre-radiometer were processed by iteration method, and the restoration of spectral distribution was completed.
本文用多次迭代解线性方程组的方法处理分立采样得到的光谱辐射测量数据，实现了光源光谱功率分布的复原。
Firstly, the laser power was measured by cryogenic radiometer in visible and near infrared spectral regions (488~944 nm), uncertainty of power measurement is less than 0.016%.
首先低温辐射计采用电替代方法测量单个波长激光绝对光功率，测量不确定度低于0.016%。
The radiation spectrum of pyrotechnics' burning flame was analyzed using transient spectrum radiometer. The working principle of multi-spectral thermometry was described.
利用瞬态光谱辐射仪分析了火工烟火药剂燃烧火焰辐射光谱分布，介绍了多光谱辐射测温技术的工作原理。
The radiation spectrum of pyrotechnics' burning flame was analyzed using transient spectrum radiometer. The working principle of multi-spectral thermometry was described.
利用瞬态光谱辐射仪分析了火工烟火药剂燃烧火焰辐射光谱分布，介绍了多光谱辐射测温技术的工作原理。
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