30 November 2012 The implementation of zero-phase, high-pass filtering in interferometric fiber-optic hydrophone system
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Abstract
We need high-pass filtering in interferometric fiber-optic hydrophone system. In this paper, two methods of zero-phase high-pass filtering are introduced. The two methods are based on infinite impulse response (IIR) filter and frequency filtering alternatively. They can both shorten the data processing time compared to finite impulse response (FIR) filter on the expense of memory cost, which is also discussed in this paper.
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Yaowen Xiao, Yaowen Xiao, Min Zhang, Min Zhang, Kai Wang, Kai Wang, } "The implementation of zero-phase, high-pass filtering in interferometric fiber-optic hydrophone system", Proc. SPIE 8561, Advanced Sensor Systems and Applications V, 85611J (30 November 2012); doi: 10.1117/12.981753; https://doi.org/10.1117/12.981753
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