A Study on Multi-Site Radar Operations Based on LFM Signal
Journal: The Journal of the Institute of Internet, Broadcasting and Communication (Vol.15, No. 3)Publication Date: 2015-06-30
Authors : Kyoung-Whoan Suh;
Page : 91-98
Keywords : Linear frequency modulation; Radar; Cross-correlation; Interference;
Abstract
As one of solutions to obtain efficient use of limited spectrum resource, we suggest a methodology for the co-channel multi-site radar operations with a shifted linear frequency modulation (SLFM) based on GPS clock. The proposed algorithm is that we find a candidate set of SLFM signals with the minimum acceptable level of the correlation from the cross-correlation characteristics among selected SLFM signals. To verify the proposed methodology, numerical analysis has been accomplished for several radars operating in the same channel with a sawtooth or triangle LFM signal. The computational results of detected distances as well as range profiles are also examined for interference, noise, and algorithm limitation including the error of clock synchronization.
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Last modified: 2015-11-20 16:42:07