국내 최대 기계 및 로봇 연구정보

기술보고서

기술보고서 게시판 내용
타이틀	EDOS Data Capture for ALOS
저자	McLemore, Bruce;; Cordier, Guy R.;; Wood, Terri;; Gamst, Harek
Keyword	DATA PROCESSING;; DATA RETRIEVAL;; EARTH OBSERVING SYSTEM (EOS); NASA PROGRAMS;; PROTOTYPES;; REAL TIME OPERATION;; SUPERHIGH FREQUENCIES;; TDR SATELLITES
URL	http://hdl.handle.net/2060/20120009881
보고서번호	GSFC.CP.00232.2012
발행년도	2012
출처	NTRS (NASA Technical Report Server)
ABSTRACT	In 2008, NASA''s Earth Sciences Missions Operations (ESMO) at Goddard Space Flight Center (GSFC) directed the Earth Observing System Data Operations System (EDOS) project to provide a prototype system to assess the feasibility of high rate data capture for the Japan Aerospace Exploration Agency''s (JAXA) Advanced Land Observing Satellite (ALOS) spacecraft via NASA''s Tracking and Data Relay Satellite System (TDRSS). The key objective of this collaborative effort between NASA and JAXA was to share science data collected over North and South America previously unavailable due to limitations in ALOS downlink capacity. EDOS provided a single system proof-of-concept in 4 months at White Sands TDRS Ground Terminal The system captured 6 ALOS events error-free at 277 Mbps and delivered the data to the Alaska Satellite Facility (ASF) within 3 hours (May/June ''08). This paper describes the successful rapid prototyping approach which led to a successful demonstration and agreement between NASA and JAXA for operational support. The design of the operational system will be discussed with emphasis on concurrent high-rate data capture, Level-O processing, real-time display and high-rate delivery with stringent latency requirements. A similar solution was successfully deployed at Svalbard, Norway to support the Suomi NPP launch (October 2011) and capture all X-band data and provide a 30-day backup archive.