Title :
Four-element prototype of the HUT interferometric radiometer
Author :
Rautiainen, Kimmo ; Valmu, Heikki ; Jukkala, Petri ; Moren, Gemma ; Hallikainen, Martti
Author_Institution :
Lab. of Space Technol., Helsinki Univ. of Technol., Espoo, Finland
Abstract :
A project to design and construct an airborne L-band (1.4 GHz) synthetic aperture radiometer was launched in the Laboratory of Space Technology of Helsinki University of Technology (HUT) early 1997. The instrument consists of 36 antenna/receiver elements and an FPGA-based correlator and it will be accommodated onboard the HUT remote sensing aircraft, Short SC-7 Skyvan. A four-element prototype is being tested to define the feasibility of the selected technology. The prototype consists of four antenna/receiver units, one local oscillator/calibration unit (LO/CAL), and a simplified correlator
Keywords :
geophysical equipment; geophysical techniques; radiometers; radiometry; remote sensing; terrain mapping; 1.4 GHz; EHF; FPGA-based correlator; HUT; HUTRAD; Helsinki University of Technology; L-band; LO/CAL; UHF; calibration unit; four-element prototype; geophysical measurement technique; interferometric radiometer; land surface; local oscillator; microwave radiometry; radiometer; remote sensing; satellite instrument; synthetic aperture radiometer; terrain mapping; Aircraft; Correlators; Instruments; L-band; Laboratories; Prototypes; Radiometry; Receiving antennas; Remote sensing; Space technology;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 1999. IGARSS '99 Proceedings. IEEE 1999 International
Conference_Location :
Hamburg
Print_ISBN :
0-7803-5207-6
DOI :
10.1109/IGARSS.1999.773457
