Title :
Ultra-wideband polarimetric imaging of corner reflectors in foliage
Author :
Blejer, D.J. ; Scarborough, S.M. ; Frost, C.E. ; Catalan, H.R. ; McCoin, K.H. ; Roman, J. ; Mukai, D.M.
Author_Institution :
MIT Lincoln Lab., Lexington, MA, USA
Abstract :
An ultrawideband imaging radar was developed. It is a highly mobile, ground-based system capable of 2D and 3D imaging at very close ranges to a synthetic aperture. The radar is fully coherent over two bandwidths (0.1 to 2 GHz and 2 to 18 GHz) and is being used for target and for foliage penetration measurements. The emphasis of the program is to characterize the radar phenomenology associated with the detection and classification of targets in foliage. An important objective is to identify the radar parameters needed by an operational airborne foliage penetration synthetic aperture radar. Polarimetric measurements of 8-ft trihedral corner reflectors deployed in the woods at Lincoln Laboratory were performed during the summer of 1991. Measurements were taken at 0.3-1.0 GHz with a single, linearly polarized log-periodic antenna, and at 1-2 GHz with a dual-polarized quad-ridged horn antenna.<>
Keywords :
aircraft instrumentation; microwave measurement; polarimetry; radiowave propagation; synthetic aperture radar; 0.1 to 18 GHz; 2D imaging; 3D imaging; Lincoln Laboratory; SHF; UHF; VHF; dual-polarized quad-ridged horn antenna; foliage penetration measurements; ground-based system; linearly polarized log-periodic antenna; operational airborne foliage penetration synthetic aperture radar; polarimetric imaging; radar parameters; radar phenomenology; target measurements; trihedral corner reflectors; ultrawideband imaging radar; very close ranges; Airborne radar; Antenna measurements; Bandwidth; Ground penetrating radar; Radar detection; Radar imaging; Radar measurements; Radar polarimetry; Ultra wideband radar; Ultra wideband technology;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1992. AP-S. 1992 Digest. Held in Conjuction with: URSI Radio Science Meeting and Nuclear EMP Meeting., IEEE
Conference_Location :
Chicago, IL, USA
Print_ISBN :
0-7803-0730-5
DOI :
10.1109/APS.1992.221868