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The high-frequency surface wave radar (HFSWR) is known to suffer from the co-channel radio frequency interference (RFI) and lightning impulsive noise. Though the suppression techniques for individual interference mechanism have been developed, the simultaneous appearance of two types of interference still presents some challenges as the existence of lightning will affect the application of optimal...
The performance of high-frequency surface wave radar (HFSWR) is known to suffer from external environmental interference and noise, such as cochannel radio-frequency interference from other radiating source, ionospheric clutter, lightning impulsive noise, etc. This paper experimentally evaluates the interference cancellation performance of various adaptive beamforming schemes with respect to the aforementioned...
The performance of high-frequency surface wave radar (HFSWR) is known to suffer from the lightning impulsive noise. In this paper, the characteristics of lightning interference in range, Doppler and spatial domain are analyzed and a new Doppler-domain cancellation scheme based on adaptive beamforming is proposed. The new scheme has no special requirement for the distribution of ocean/ground clutter...
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