Time-shifting correcting method of phase difference on discrete spectrum (Q1861046)
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scientific article; zbMATH DE number 1880917
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Time-shifting correcting method of phase difference on discrete spectrum |
scientific article; zbMATH DE number 1880917 |
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Time-shifting correcting method of phase difference on discrete spectrum (English)
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4 May 2003
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The paper describes a general correcting method of phase difference for the discrete spectrum. The steps are as follows. Sample discrete-time signal with the length of \((L+N)\) points, taking the first \(N\) points as an \(N\)-point sequence. From the \(L\)th point to the end, generate another \(N\)-point sequence. Perform the length-\(N\) fast Fourier transform on both sequences and correct the spectrum by use of the phase difference of corresponding peak lines. Simulation results are displayed.
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correcting method
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phase difference
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discrete spectrum
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sampling
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discrete-time signal
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fast Fourier transform
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0.6615407466888428
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0.6539910435676575
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0.646186113357544
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0.6446131467819214
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