26 October 2004 Simultaneous operation of two over-the-horizon radars
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Over the horizon radar (OTHR) is a well developed sensor technology in established use for long-range air and surface surveillance. More detailed information about the targets can be achieved by using simultaneous operation of multiple OTHRs. However, a key limitation with HF radar is the conflict between selection of an appropriate operating frequency and the demand for radar waveform bandwidth commensurate with the range resolution requirement of the radar. In this paper, we consider the simultaneous operation of two over-the-horizon radar systems that use the same frequency band with different chirp waveforms to respond the advanced wide-area surveillance needs without reducing the pulse repetitive frequency. A cross-radar interference cancellation technique is proposed and shown to be effective.
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Yimin Zhang, Yimin Zhang, Gordon J. Frazer, Gordon J. Frazer, Moeness G. Amin, Moeness G. Amin, } "Simultaneous operation of two over-the-horizon radars", Proc. SPIE 5559, Advanced Signal Processing Algorithms, Architectures, and Implementations XIV, (26 October 2004); doi: 10.1117/12.559885; https://doi.org/10.1117/12.559885

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