The PHARUS System : An Overview and Recent Developments
conference paper
The PHARUS system is a fully polarimetric C-band SAR wíth an active phased array anrenna. PHARUS is an experimental system. It is meant for remote sensing research in many application areas, both civil and military, maritime and on land. The system performed its first test flight in 1995. In the following years a large amount of data was acquired. In the standard mode the resolution in both range and azimuth is about 3 m. the capability of PHARUS to obtain fully polarimetric images with a high resolution is extensively used. More advanced SAR applications require both high resolution and the flexibility that is offered only by phased array SAR systems The PHARUS system, since it hs an active array, which is fully programmable in its operaring modes allows investigations of these applications. Advanced SAR modes that are being investigated are: (sliding) spotlight SAR and interferometric SAR, both along track (Moving Target Indication) and across track (Repeat Pass Interferometry). The flight experiments are carried out in co-operation with the National Aerospace Laboratory. In this paper the status of the different new processing techniques is reported. These new techniques include doubling of the range resolution, increasing the azimuth resolution through spotlight processing, Displaced Phase Center Antenna MTI and Repeat Pass Interferometry. Also the use of PHARUS as a test bed for the ASAR modes of the ENVISAT satellite is shown.
Topics
TNO Identifier
95290
Publisher
GITC bv
Source title
Proceedings ISPRS 2000 - XIXth Congress of the International Society for Photogrammetry and Remote Sensing - Geoinformation for All, 16-23 July 2000, Amsterdam, The Netherlands
Place of publication
Lemmer
Pages
340-346
Files
To receive the publication files, please send an e-mail request to TNO Repository.