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ARBRES: Light-weight CW/FM SAR sensors for small UAVs

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ARBRES LightWeight CWFM SAR Sensors for Small UAVs (3,355Mb)
 
10.3390/s130303204
 
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hdl:2117/19569

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Aguasca Solé, AlbertoMés informacióMés informacióMés informació
Acevo Herrera, René
Broquetas Ibars, AntoniMés informacióMés informacióMés informació
Mallorquí Franquet, Jordi JoanMés informacióMés informacióMés informació
Fabregas Canovas, Francisco JavierMés informacióMés informacióMés informació
Document typeArticle
Defense date2013-03-06
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
This paper describes a pair of compact CW/FM airborne SAR systems for small UAV-based operation (wingspan of 3.5 m) for low-cost testing of innovative SAR concepts. Two different SAR instruments, using the C and X bands, have been developed in the context of the ARBRES project, each of them achieving a payload weight below 5 Kg and a volume of 13.5 dm3 (sensor and controller). Every system has a dual receiving channel which allows operation in interferometric or polarimetric modes. Planar printed array antennas are used in both sensors for easy system integration and better isolation between transmitter and receiver subsystems. First experimental tests on board a 3.2 m wingspan commercial radio-controlled aircraft are presented. The SAR images of a field close to an urban area have been focused using a back-projection algorithm. Using the dual channel capability, a single pass interferogram and Digital Elevation Model (DEM) has been obtained which agrees with the scene topography. A simple Motion Compensation (MoCo) module, based on the information from an Inertial+GPS unit, has been included to compensate platform motion errors with respect to the nominal straight trajectory.
CitationAguasca, A. [et al.]. ARBRES: Light-weight CW/FM SAR sensors for small UAVs. "Sensors", 06 Març 2013, vol. 13, núm. 3, p. 3204-3216. 
URIhttp://hdl.handle.net/2117/19569
DOI10.3390/s130303204
ISSN1424-8220
Publisher versionhttp://www.mdpi.com/1424-8220/13/3/3204
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  • Departament de Teoria del Senyal i Comunicacions - Articles de revista [2.644]
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