Programmable filters for improving data fidelity in swept-wavelength interferometry-based systems

摘要

A method, system and apparatus for obtaining a parameter of interest from a plurality of sensors in a fiber optic cable deployed in a wellbore are disclosed. Light having variable frequency within a range of frequencies is propagated along the fiber optic cable. Signals are received that are responsive to interaction of the propagated light with the plurality of sensors. The received signals are filtered using a programrnable filter. The pararneter of interest is obtained from the filtered signals. In one aspect, the fiber optic cable is coupled to a member deployed andl the wellbore and the pararneter of interest is related to the member.