Effect of IQ demodulation low-pass filter cut-off frequency variation on &#934;-OTDR system performance

ZHANG Zhenhe; LIU Fengnian; ZHANG Guojing; LAI Rong; ZHANG Junkai; HUANG Yixuan; ZHONG Qing; LONG Sheng

doi:10.13921/j.cnki.issn1002-5561.2025.02.007

Optical Communication Technology, Volume. 49, Issue 2, 34(2025)

Effect of IQ demodulation low-pass filter cut-off frequency variation on Φ-OTDR system performance

ZHANG Zhenhe¹, LIU Fengnian², ZHANG Guojing³, LAI Rong¹, ZHANG Junkai¹, HUANG Yixuan¹, ZHONG Qing², and LONG Sheng²

Author Affiliations

¹School of Computer, Hunan University of Technology, Zhuzhou Hunan 412007, China

²School of Aerospace, Hunan University of Technology, Zhuzhou Hunan 412007, China

³Beijing Pan-cloud Technology Co., Ltd., Beijing 100080, China

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ZHANG Zhenhe, LIU Fengnian, ZHANG Guojing, LAI Rong, ZHANG Junkai, HUANG Yixuan, ZHONG Qing, LONG Sheng. Effect of IQ demodulation low-pass filter cut-off frequency variation on Φ-OTDR system performance[J]. Optical Communication Technology, 2025, 49(2): 34

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Paper Information

Special Issue:

Received: Nov. 22, 2024

Accepted: Apr. 25, 2025

Published Online: Apr. 25, 2025

The Author Email:

DOI:10.13921/j.cnki.issn1002-5561.2025.02.007

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology