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학술지
소프트웨어 기반의 GPS L1 및 갈릴레오 E1/E5a 신호처리 구현 및 성능에 관한 연구
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- 발행일
- 200906
- 출처
- 한국항행학회논문지, v.13 no.3, pp.319-326
- ISSN
- 1226-9026
- 출판사
- 한국항행학회
- 협약과제
- 09MR1500, 위성항법지상국시스템 및 탐색구조단말기 기술개발, 이상욱
- 초록
- In this paper, the key technologies of Navigation receiver for GNSS sensor station are presented as a development result of a GNSS ground station in ETRI. A wide-band antenna and RF/IF components and SW signal processing unit to cover the GPS and Galileo signals for GNSS receiver are developed and its performance is verified by using GPS live signal and GNSS RF signal simulator from SpirentTM. We also gather GIOVE-A signal by using H/W antenna and RF/IF units in IF-level as sampling frequency and bit number, 112MHz and 8bits, respectively by using the developed wide-band antenna and RF/IF components. Data acquisition is done by using commercial data acquisition device from National Instrument TM. The gathered data is fed into SW receiver to process Galileo E1 to verify Galileo signal processing by Galileo live signal from GIOVE-A.
- KSP 제안 키워드
- Data Acquisition(DAQ), Development result, GNSS receiver, Galileo signals, Ground Station, Key technology, Navigation Receiver, Processing unit, RF signal, Sampling frequency, Sensor station