We have developed a multi-band ground viewing radiometer based on light-emitting diodes (LEDs) to create a self-calibrating sensing system for land-based measurements. The system is intended for in-situ data collection needed for vicarious calibration, using the reflectance-based method, for earth observing satellites. An autonomous prototype radiometer, which is part of a sensor web of 5 radiometers which could be geographically distributed over hundreds of meters, has been realized. Temporally continuous in-situ measurement of the land reflectance in 4 spectral bands, from 350 nm to 900 nm, are acquired. The system has the ability to regularly re-calibrate autonomously and in the field, communicating results to a remote home base. © 2015 IEEE.
LED-based field radiometer for sensor web in-situ measurements / Taralli, Emanuele; Filippo, R; Brida, Giorgio; Rajteri, Mauro; Hall, Srg; Bialek, A; Greenwell, C; Fox, N.. - (2015), pp. 7180675.318-7180675.322. ((Intervento presentato al convegno 2nd IEEE International Workshop on Metrology for Aerospace, MetroAeroSpace 2015 tenutosi a Benevento; Italy nel 3 June 2015 through 5 June 2015 [10.1109/MetroAeroSpace.2015.7180675].