> 10 dB SNR enhancement in distributed acoustic sensors through first order phase noise cancellation
Hits: 588
- Research areas:
- Year:
- 2018
- Type of Publication:
- In Proceedings
- Authors:
-
- Fernández-Ruiz, M.R
- Pastor-Graells, J
- Martins, H.F
- Garcia-Ruiz, A.
- Martin-Lopez, S.M.
- Number:
- W1K.2
- ISBN:
- 978-155752820-9
- BibTex:
- Abstract:
- The performance of Rayleigh-based distributed acoustic sensors (DAS) is strongly dependent on the coherence of the laser source. We present a simple methodology to reduce the impact of the laser phase noise in chirped-pulse DAS.