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Use of Satellite Radar Bistatic Measurements for Crop Monitoring: A Simulation Study on Corn Fields
Department of Civil Engineering and Computer Science Engineering, Tor Vergata University of Rome, Via del Politecnico 1, I-00133 Rome, Italy
Department of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Via Eudossiana 18, I-00184 Rome, Italy
* Author to whom correspondence should be addressed.
Received: 21 December 2012; in revised form: 6 February 2013 / Accepted: 15 February 2013 / Published: 20 February 2013
Abstract: This paper presents a theoretical study of microwave remote sensing of vegetated surfaces. The purpose of this study is to find out if satellite bistatic radar systems can provide a performance, in terms of sensitivity to vegetation geophysical parameters, equal to or greater than the performance of monostatic systems. Up to now, no suitable bistatic data collected over land surfaces are available from satellite, so that the electromagnetic model developed at Tor Vergata University has been used to perform simulations of the scattering coefficient of corn, over a wide range of observation angles at L- and C-band. According to the electromagnetic model, the most promising configuration is the one which measures the VV or HH bistatic scattering coefficient on the plane that lies at the azimuth angle orthogonal with respect to the incidence plane. At this scattering angle, the soil contribution is minimized, and the effects of vegetation growth are highlighted.
Keywords: new measurement concept; bistatic radar; crop status
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Guerriero, L.; Pierdicca, N.; Pulvirenti, L.; Ferrazzoli, P. Use of Satellite Radar Bistatic Measurements for Crop Monitoring: A Simulation Study on Corn Fields. Remote Sens. 2013, 5, 864-890.
Guerriero L, Pierdicca N, Pulvirenti L, Ferrazzoli P. Use of Satellite Radar Bistatic Measurements for Crop Monitoring: A Simulation Study on Corn Fields. Remote Sensing. 2013; 5(2):864-890.
Guerriero, Leila; Pierdicca, Nazzareno; Pulvirenti, Luca; Ferrazzoli, Paolo. 2013. "Use of Satellite Radar Bistatic Measurements for Crop Monitoring: A Simulation Study on Corn Fields." Remote Sens. 5, no. 2: 864-890.