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2025RAA....25c5016D - Research in Astron. and astroph., 25, part no 3, 5016 (2025/March-0)

Research on Rationally Oversampled Channelization Algorithm for Ultra-wideband Signals.

DU X., ZHANG H.-L., GUO S.-C., ZHANG Y.-Z., WANG J., YE X.-C., LI J., CAI W.-N., WU H. and ZHANG T.

Abstract (from CDS):

To address the issues of low accuracy and high computational complexity in traditional channelization techniques for ultra-wideband signals, this paper proposes a novel rationally oversampled channelization method to enhance the accuracy and efficiency of signal processing. The proposed method is evaluated by implementing and comparing critically sampled and integer oversampled channelization algorithms. A detailed analysis of the impact of different oversampling factors and filter orders on performance is provided. The validity of the proposed algorithm is verified using baseband data from pulsar J0437-4715 observed by the Parkes telescope, demonstrating its effectiveness and correctness.

Abstract Copyright: © 2025. National Astronomical Observatories, CAS and IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved.

Journal keyword(s): (stars:) pulsars: general - methods: data analysis - techniques: miscellaneous

Simbad objects: 1

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