Impact of the pulse modulation format on distributed BOTDA sensors based on Simplex coding
M. A. Soto, G. Bolognini, F. Pasquale, Sant'Anna School of Advanced Studies (Italy)
We experimentally analyse the impact of pulse modulation format on BOTDA sensors exploiting Simplex coding. A careful optimisation of modulation format is required to avoid spurious oscillations causing severe penalties in the measurement accuracy.