学術雑誌論文 Reduction of multiple narrow-band noises from radio waves

Hirano, Akihiro  ,  Ozaki, Mitsunori  ,  Yagitani, Satoshi

内容記述
This paper proposes reduction of mul- tiple narrow-band noise signals from radio signals. The multiple narrow-band noise signals are suppressed one- by-one basis by using sinusoidal signal generators and an adaptive filter. The frequencies are estimated from the amplitude spectrum. Based on the histogram of fre- quency differences, low-power harmonic components can be detected. Fine tuning on frequency is carried out by using the averaged power pattern of three narrow-band- filter outputs. Peak filters are introduced in order to sup- press influence of wide-band signals. The performance are examined by using real measured signals.
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https://kanazawa-u.repo.nii.ac.jp/?action=repository_action_common_download&item_id=9607&item_no=1&attribute_id=26&file_no=1

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