Abstract

본 논문에서는 일반적인 3채널 구조의 모노펄스수신기와 대비해서 비용, 크기, 무게 및 소모전력 측면에서 유리한 단일채널 구조의 모노펄스수신기를 적용한 추적시스템에 관한 연구를 진행하였다. 안테나, 모노펄스수신기, 구동체, RF 신호처리기 및 전원분배기를 제작 및 통합하여 단일채널 모노펄스시스템을 구현한 후, 지향오차각 산출정확도와 포인팅 손실을 측정하여 기본 추적성능을 확인하였다. 그리고 야외환경에서 실제 이동하는 목표물에 대한 추적성능을 검증하였다. 시험결과 분석을 통해 단일채널 모노펄스시스템이 일반적인 3 채널 모노펄스시스템과 동등 이상의 추적성능을 가지면서 시스템의 구현측면에서 이점이 있음을 확인하였다. 또한, 이 연구로 향후 모노펄스 추적시스템 개발 시 제작비용 및 제품 소형화에 유리한 단일채널 모노펄스수신기 적용이 가능함을 확인하였다. In this paper, we have studied the tracking system with a single channel monopulse receiver that has a comparative advantage of costs, size, weight, and power consumption over the general 3-channel monopulse receivers. After the single channel monopulse system was composed of an antenna, a monopulse receiver, a servo unit, a RF signal processor unit and a power supply unit, we analyzed the basic tracking performance of the tracking error angle and the pointing loss. And we proved the tracking performance to a moving target in the outdoor environment. On the Analysis of the tracking test results, the single channel monopulse system shows a equal or higher performance over the general 3-channel monopulse system and also has advantages of the system implementation. Also, it is concluded that this study is useful to apply a single channel monopulse receiver with benefits of production price and miniaturization when the monopulse tracking systems will be developed in the future.

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