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Proceedings Paper

Development status of PALSAR-2 onboard ALOS-2
Author(s): Shinichi Suzuki; Yukihiro Kankaku; Yuji Osawa
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Paper Abstract

The Advanced Land Observing Satellite-2 (ALOS-2) carries the state-of-the-art L-band Synthetic Aperture Radar (SAR) called PALSAR-2. PALSAR-2 has a Spotlight mode (1 to 3 m), a Stripmap mode (3 to 10 m) and a ScanSAR mode, whilst PALSAR onboard ALOS had 10 m spatial resolution at best. The new technologies, such as maximum bandwidth allocation for L-band SAR, the spotlight mode with Active Phased Array Antenna, high power efficiency device of GaN and chirp modulation technique, have been verified by testing its Engineering Model (EM). The critical design of ALOS-2 including PALSAR-2 was completed in June 2011. This paper describes current development status of ALOS-2 and brief results of EM.

Paper Details

Date Published: 3 October 2011
PDF: 8 pages
Proc. SPIE 8176, Sensors, Systems, and Next-Generation Satellites XV, 81760Q (3 October 2011); doi: 10.1117/12.897705
Show Author Affiliations
Shinichi Suzuki, Japan Aerospace Exploration Agency (Japan)
Yukihiro Kankaku, Japan Aerospace Exploration Agency (Japan)
Yuji Osawa, Japan Aerospace Exploration Agency (Japan)


Published in SPIE Proceedings Vol. 8176:
Sensors, Systems, and Next-Generation Satellites XV
Roland Meynart; Steven P. Neeck; Haruhisa Shimoda, Editor(s)

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