본 논문은 위성항법신호감시국용 GPS/갈릴레오 복합수신기에 대한 구현 및 성능 시험결과를 기술한 논문으로 복합수신기는 단일 플랫폼에서 갈릴레오 E1, E5a 신호와 GPS L1,L2C, L5 신호를 수신처리 할 수 있으며, GPS신호와 갈릴레오 E1 신호를 복합적으로 처리함으로써, 위치정확도가 향상됨을 보였다. 각 신호에 대한 신호획득을 신속하게 하기 위해, 모든 신호에 대해 정합필터와 FFT 방식이 결합된 방식을 적용하였고, 신호추적과정에서는 다수의 추적루프를 적용하였으며 본 논문에서는 주요 신호에 대한 신호획득 및 추적과정의 시험결과를 보였다. 또한 기존에 발표된 논문과의 차별화 항목으로, 항법신호의수신레벨이 낮아 CW 형태와 같은 간섭신호에도 영향을 받는바, 이에 대한 개발된 항재밍모듈에 대한 시험결과도 제시하였으며, 성능측면에서의 비교를 위해 상용수신기와 개발된수신기와의 성능 비교 결과도 함께 제시하였다.
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