The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 2000
Filed:
Oct. 16, 1997
Electronics and Telecommunications Research Institute, Taejon-Shi, KR;
Abstract
A method for storing and retrieving telemetry which can reduce the size of a data storage tape and the time for retrieving data by overcoming the problems in a conventional satellite control system wherein all telemetry received from a satellite are stored without being subject to a filtering operation in a hard disk or memory of a computer for a predetermined time, and when needs arise for replaying previously stored data, a tape which stores required data is first located and mounted on a driver in order to load the required data. In accordance with the method of the present invention, data is filtered with respect to a variation of each telemetry. The data is stored step by step according to the period for which data should be stored. The data which should be stored for a long term is compressed and stored as an average value, maximum value, minimum value and variance of daily data. The generation and storage of long term data are offline processed. A data storage catalog is generated and stored into a data storage device. Thus, according to the present invention, the capacity of the data storage device and the retrieval time for replay can be reduced.
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