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Title: Advanced satellite hardware/software system study
Authors: General Electric. Space Division.
Keywords: Landsat-D
Thematic mapper digital data analysis
Image data analysis systems
Digital image processing
Issue Date: Apr-1980
Publisher: U.S. Army Engineer Topographic Laboratories.
Engineer Research and Development Center (U.S.)
Series/Report no.: ETL ; 0225.
Description: Contract report
Abstract: This report provides an overview of the Landsat-D program and the anticipated requirements of the Corps of Engineers for the application of Landsat data operational programs. A general discussion of the candidate data analysis requirements, including data input and output and other data preparation processes provides a complete description of the capabilities which will be required of an advanced satellite hardware/software image analysis system. A brief overview of the currently available hardware technology provides a basis for the synthesis of the hardware system design, and an example of a typical software structure, based on that for an actual system, is presented. Descriptions of three candidate system architectures provide examples of different approaches to the development of a system meeting the Corps of Engineers requirements, and the problems of communication between remoted terminals and a host processor are addressed, together with the problems related to the dissemination of data to remotely located independent systems. A brief cost analysis indicates the system cost drivers, and shows how cost tradeoffs may be made in developing a specific system. A candidate system design for the Corps of Engineers is presented, based on the concept of independent systems with capabilities tailored to local requirements.
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