NASA NTRS · 19890022942
Advanced solidstate array spectroradiometer - Sensor and calibration improvements
Abstract
The advanced solid-state array spectroradiometer (ASAS), an airborne imaging spectrometer with 30 spectral channels extending from 450-880 nm, is described. Modifications to the sensor mounting technique changed the ASAS from a fixed nadir viewing instrument to a sensor capable of multiple direction observations of surface bidirectional reflectance distribution functions. The system was flown on the NASA Ames C130 aircraft to obtain surface bidirectional reflectance measurements of vegetation; it demonstrated excellent reliability and radiometric stability.
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Huegel, Frederick G.. 1988-01-01. Advanced solidstate array spectroradiometer - Sensor and calibration improvements. https://ntrs.nasa.gov/citations/19890022942
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