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。
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