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Structure of Direct RF Sampling Receivers for GNSS Signals
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  • Structure of Direct RF Sampling Receivers for GNSS Signals
  • Structure of Direct RF Sampling Receivers for GNSS Signals
저자명
Won. Yu-Jun,Ahn. Woo-Hyun,Lee. MinJoon,Park. Chansik,Seo. Bo-Seok
간행물명
Journal of Positioning, Navigation, and Timing
권/호정보
2014년|3권 3호|pp.91-97 (7 pages)
발행정보
한국위성항법시스템학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

A direct RF sampling method refers to a technique that directly converts a passband signal to an intermediate band or a baseband without using a mixer. This method is less complicated than an existing RF receiver because a mixer is not used. It uses digital processing after sampling, and thus can flexibly process signals in a number of bands using software. In this process, it is important to select an appropriate sampling frequency so that a number of signals can be converted to an intermediate band that is easy to process. In this study, going beyond previously studied direct RF sampling frequency selection methods, conditions that need to be additionally considered during receiver design were examined, and the structure of a direct RF sampling receiver that satisfies these conditions was suggested.