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The High Resolution Stereo Camera (HRSC): An Advanced-Technology Light-weight Pushbroom Camera for Planetary Orbiters

Neukum, Gerhard and Jaumann, R. and Hoffmann, H. and Schwarz, Gottfried and Oberst, J. and Pischel, R: (1995) The High Resolution Stereo Camera (HRSC): An Advanced-Technology Light-weight Pushbroom Camera for Planetary Orbiters. 27th DPS Conference, Honolulu, Hawaii, Oct. 8-12, 1995, Honolulu, Hawaii.

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Abstract

The High Resolution Camera (HRSC) comprises 9 CCD line sensors mounted in parallel for simultaneous high-resolution, stereo, multi-color and multi-phase imaging in the pushbroom mode. The image swaths recorded by the sensors (5 panchromatic, 4 narroow-band color) can either be interpreted individually or in combination. With the present optical system (f&#61175 mm) a ground mixel size of 10 m/pixel can be achieved from a spacecraft altitude of 250 km. Witheach CCD channel containing 5184 pixels this will produce a swath width of 52 km. Gains can be selected for each CCD channel in order to adjustthe 8-bit DN output values for exposure time, the order of pixel binning and the expected signal strength. The commanding concept is flexible, so making imaging from highly elliptical orbits feasible. The (optional) use of pixel binning and image data wavelet compression makes coverage of large areas at high resolution possible.Onboard data compression as well as flat-field and dark- current calibration will be performed bya powerful processor. A data buffer with 2x256 Mbytes memory based on stacked 16 Mbit DRAMs is available. The HRSC, including camera head and the digital unit, has a totalmass of 6.5 kg. The peak power consumption in the imaging mode amounts to 16.7 W.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1995,
Title:The High Resolution Stereo Camera (HRSC): An Advanced-Technology Light-weight Pushbroom Camera for Planetary Orbiters
Authors:
AuthorsInstitution or Email of Authors
Neukum, GerhardUNSPECIFIED
Jaumann, R.UNSPECIFIED
Hoffmann, H.UNSPECIFIED
Schwarz, GottfriedUNSPECIFIED
Oberst, J.UNSPECIFIED
Pischel, R:UNSPECIFIED
Date:1995
Status:Published
Keywords:HRSC, Pushbroom Camera
Event Title:27th DPS Conference, Honolulu, Hawaii, Oct. 8-12, 1995
Event Location:Honolulu, Hawaii
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Projekt MARS-EXPRESS / HRSC (old)
Location: Berlin-Adlershof , Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute
Institute of Planetary Research > Institut für Planetenerkundung
German Remote Sensing Data Center
Deposited By: elib DLR-Beauftragter
Deposited On:10 May 2006
Last Modified:27 Apr 2009 09:48

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