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High resolution mapping with small satellites

Sandau, R. (2004) High resolution mapping with small satellites. In: XX ISPRS Congress, Commission I, XXXV, pp. 108-113. ISPRS. XXth ISPRS Congress, 12 - 23 July 2004, Istanbul, Turkey.

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Civil space-borne Earth surface mapping started in 1972 with a 80 m GSD provided by ERTS, later renamed to Landsat-1. Nowadays, the GSD approaches 1 m or even less. This trend was supported by the improvements in divers fields of technology as for instance optics, mechanics and materials, electronics, signal Optical Information Systems processing, communications and navigation. The space-borne mapping systems always attempted to achieve the highest ground resolution possible with the available technology at the given time. Also mass, volume and power consumption of the spacecrafts and instruments followed the trend to miniaturization. SAR systems are an alternative to passive optical systems; they also benefit from the technology improvements. But the most promising prospects for high resolution mapping with small satellites are connected with passive optical systems, especially push-broom systems. The paper tries to analyse how far can we go in decreasing the GSD using instruments and spacecrafts decreasing in size, mass, and power consumption. In this context the paper deals with important parameters for mapping with small satellites as spatial resolution, radiometry, mass, volume, power consumption, microelectronics, pointing accuracy and stability, data volume and transmission. From the viewpoint of technology, space-borne mapping systems using small satellites are feasible. It is a question of market requirement and market behaviour whether or not these small satellite-based mapping systems can compete with the existing mapping systems, space-borne or airborne.

Item URL in elib:https://elib.dlr.de/10786/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2004, monograph_id=B1,
Title:High resolution mapping with small satellites
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Journal or Publication Title:XX ISPRS Congress, Commission I
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 108-113
Series Name:ASPRS
Keywords:camera, cartography, digital, imagery, landscape, mapping, remote sensing, high resolution
Event Title:XXth ISPRS Congress, 12 - 23 July 2004, Istanbul, Turkey
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):UNSPECIFIED
Location: Berlin-Adlershof
Institutes and Institutions:Optical Information Systems
Deposited By: Dombrowski, Ute
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 16:15

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