FPGA-based Implementation of a Polarimetric Radiometer with Digital Beamforming - Xavier Bosch-Lluis; Adriano Camps; Juan Fernando Marchan-Hernandez; Isaac Ramos-Pérez; Ricard Prehn; Benjamín Izquierdo Fernández; Xavier Banqué; J. Yeste (IEEE International Geoscience & Remote Sensing Symposium, IGARSS 2006, July 31 - August 4, 2006, Denver, Colorado, USA, Proceedings, 2006)