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Remote Sens. 2010, 2(7), 1662-1679; doi:10.3390/rs2071662

Design and First Results of an UAV-Borne L-Band Radiometer for Multiple Monitoring Purposes

1,* , 1
1 Remote Sensing Lab, Department of Signal Theory and Communications, Universitat Politècnica de Catalunya, UPC Campus Nord D3, E-08034 Barcelona, Spain 2 IEEC CRAE, UPC, Barcelona, Spain 3 Centro Hispano-Luso de Investigaciones Agrarias (CIALE) Universidad de Salamanca, Parque Científico Campus de Villamayor C, Río Duero, 12, E-37185 Villamayor (Salamanca), Spain
* Author to whom correspondence should be addressed.
Received: 30 April 2010 / Revised: 15 June 2010 / Accepted: 22 June 2010 / Published: 29 June 2010
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UAV (unmanned Aerial Vehicle) platforms represent a challenging opportunity for the deployment of a number of remote sensors. These vehicles are a cost-effective option in front of manned aerial vehicles (planes and helicopters), are easy to deploy due to the short runways needed, and they allow users to meet the critical requirements of the spatial and temporal resolutions imposed by the instruments. L-band radiometers are an interesting option for obtaining soil moisture maps over local areas with relatively high spatial resolution for precision agriculture, coastal monitoring, estimation of the risk of fires, flood prevention, etc. This paper presents the design of a light-weight, airborne L-band radiometer for deployment in a small UAV, including the hardware and specific software developed for calibration, geo-referencing, and soil moisture retrieval. First results and soil moisture retrievals from different field experiments are presented.
Keywords: UAV; airborne sensors; radiometer; soil moisture UAV; airborne sensors; radiometer; soil moisture
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Acevo-Herrera, R.; Aguasca, A.; Bosch-Lluis, X.; Camps, A.; Martínez-Fernández, J.; Sánchez-Martín, N.; Pérez-Gutiérrez, C. Design and First Results of an UAV-Borne L-Band Radiometer for Multiple Monitoring Purposes. Remote Sens. 2010, 2, 1662-1679.

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