Fourier-series based optimal spin frequency estimation and profile recovery of X-ray pulsar
Advances in Space Research(2022)
摘要
•A Fourier-series based frequency estimation method of X-ray pulsars is proposed.•The truncation point in the Fourier series is derived theoretically.•The algorithm shows strong robustness and reliability.•The effectiveness of this method is verified by real data from NICER mission.
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关键词
X-ray pulsar,Pulsar spin frequency,Fourier series
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