GPS는 차량용 네비게이션, 스마트폰 등의 일상생활에서 사용될 뿐만 아니라. 이동통신망, 전력망, 금융망 등 국가 기간통신망에 활용되는 중요한 인프라이다. 하지만 GPS는 신호세기가 미약하여 전파 교란에 매우 취약한 단점이 있다. GPS 교란은 사회적으로 혼란을 초래하는 심각한 문제이므로, 이를 예방 및 최소화하기 위하여 국가차원에서 GPS 전파교란 감시 기술 개발이 되어 운용되고있다. 본 논문은 GPS L1/L2 대역의 교란신호를 검출하고, 교란신호의 방향 및 위치를 파악하는 기능을 제공하는 GPS 교란 감시장치의 구현 및 시험 결과를 제시한다. GPS 교란 감시 장치의 주요 기능, 형상 및 구성에 대해 설명하고, 동작 시나리오, S/W 및H/W 구현 결과를 보여준다. 또한, GPS 교란신호를 발생시켜 검출, 방향파악 및 위치파악 시험을 수행하였고, 그 결과를 통해 GPS교란 감시 장치가 정상적으로 동작됨을 보여준다.
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