The implementation of zero-phase high-pass filtering in interferometric fiber-optic hydrophone system

Yaowen Xiao; Min Zhang; Kai Wang

doi:10.1117/12.981753

30 November 2012 The implementation of zero-phase, high-pass filtering in interferometric fiber-optic hydrophone system

Yaowen Xiao, Min Zhang, Kai Wang

Proceedings Volume 8561, Advanced Sensor Systems and Applications V; 85611J (2012) https://doi.org/10.1117/12.981753
Event: Photonics Asia, 2012, Beijing, China

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.

Citation Download Citation

Yaowen Xiao, Min Zhang, and 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); https://doi.org/10.1117/12.981753

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