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首页> 外文期刊>Applied optics >Design, calibration, and characterization of a field radiometer using light-emitting diodes as detectors
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Design, calibration, and characterization of a field radiometer using light-emitting diodes as detectors

机译：使用发光二极管作为探测器的现场辐射计的设计，校准和表征

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The Remote Sensing Group at the University of Arizona has developed multispectral ground-viewing radiometers that use light-emitting diodes as detectors. This work describes the optical design, electrical design, and laboratory calibration of a three-channel radiometer that operates in the visible and near-infrared region of the spectrum. The optical and electrical design of the radiometer is introduced, and then the calibration and characterization of the radiometer are described. Laboratory measurements include the spectral responsivity for each channel of the radiometer, the temperature dependence of the total responsivity for each channel, system linearity, field of view, and finally, the absolute radiometric calibration. A solar-radiation-based calibration is used to determine the absolute responsivity.
机译：亚利桑那大学的遥感小组开发了使用光谱仪作为检测器的多光谱地面辐射计。这项工作描述了在光谱的可见光和近红外区域工作的三通道辐射计的光学设计，电气设计和实验室校准。介绍了辐射计的光学和电气设计，然后描述了辐射计的校准和特性。实验室测量包括辐射计每个通道的光谱响应度，每个通道总响应度的温度依赖性，系统线性，视野以及最后的绝对辐射度校准。基于太阳辐射的校准用于确定绝对响应度。

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