본고에서는 의료용, 보안용, 정밀거리 측위 등 다양한 분야에 응용이 가능한 근거리 고해상도 레이더 칩 기술에 대하여 소개한다. 먼저 근거리 고해상도 레이더 칩의 대표적인 구조와 동작원리에 대하여 기술하고 상용제품, 최신 논문에서 발표된 레이더 칩에 대하여 소개하였다. 고해상도를 얻기 위한 짧은 펄스 폭(나노초, 십억분의 1초)을 가지는 펄스를 송신하고 목표물을 맞고 되돌아온 에코 펄스를 고해상도로 수신하여 복원된 펄스로부터 얻어지는 거리정보로부터 신호처리 과정을 거쳐 고도화된 응용 분야에 따른 부가적인 정보를 얻는다. 수신기는 상관 (correlation)법에 의한 수신 방식과 샘플링(sampling)에 의한 수신 방식으로 크게 나눌 수 있다. 끝으로 한국전자통신연구원에서 개발 중인 CMOS(Complementary Metal Oxide Semiconductor) 기술을 이용한 근거리 레이더 칩의 목표 성능, 구조, 설계 및 측정 결과에 대하여 소개하였다.
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J. Kim et. al, "Trends in Lightweight Kernel for Many core Based High-Performance Computing", Electronics and Telecommunications Trends. Vol. 32, No. 4, 2017, KOGL Type 4: Source Indication + Commercial Use Prohibition + Change Prohibition
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