期刊
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
卷 66, 期 2, 页码 340-347出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2016.2626038
关键词
Fiber-optic line; frequency modulated continuous wave (FMCW) radar; leaky waves; radar detection; small drone
资金
- project of the aviation safety technology development called Flight Safety Regulation Development and Integrated Operation Demonstration for Civil UAS - Ministry of Land, Infrastructure and Transport, Republic of Korea government [15ATRP-C108186-01]
- Basic Science Research Program through the National Research Foundation of Korea - Ministry of Science, ICT and Future Planning [2016R1A2B4010918]
- National Research Foundation of Korea [2016R1A2B4010918] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This paper discusses a distributed frequency modulation continuous wave radar system. This K-band radar system has high sensitivity, linearity, and flatness to detect low-radar cross section targets and measure their range and velocity. To reduce the leakage between a transmitter and a receiver, the system uses not RF cables but fiber-optic links that have low distortion characteristics and low propagation loss. The transmitter and the receiver are each mounted on a designed fixture to reduce the ground reflections. In addition, they are located on different platforms to reduce the leakage signal flowing directly from the transmitter to the receiver. Measurements in terms of the range and the velocity of a small drone have been carried out to evaluate the proposed distributed radar system. The results show that we can clearly detect the small drone within a 500 m range, which demonstrates the high sensitivity of the system and high isolation between the transmitter and the receiver.
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