[WP-C] Poster Session 2

[WP-C-7] Prediction Unwrapping Algorithm with Linear Kalman Filter to Expand The Dynamic Range of Phase-sensitive OTDR

○Naoki Yamashiro¹, Yoshihiro Kanda¹, Hitoshi Murai¹ (1. Oki Electric Industry Co., Ltd (Japan))

Keywords:

Distributed fiber optical sensing,fibers and fiber devices for sensing

Prediction unwrapping algorithm with linear Kalman filter is proposed to overcome the limitation of the conventional unwrapping algorthm in phase-sensitive OTDR. The expermental results show that the dynamic range increased by five times.