Telemetry system with a sending station using recursive filter f

Details Telemetry system with a sending station using recursive filter f Telemetry system with a sending station using recursive filter f

1989-03-02

1990-01-23

Tudor, Harold J.

Communications: electrical

Wellbore telemetering or control

Selective control of subsurface equipment

367 81, 34087001, 340850, 375122, 375 60, 375 75, 375 96, G10L 500

Patent

active

048961523

ABSTRACT:
Before subsampling them for transmission, telemetry data are bandwidth-limited by IIR filtering at the sending station of a telemetry system. The transmitted filtered telemetry data have attendant phase distortion that is compensated for by FIR filtering at the receiving station of the system, so as to obtain overall linear phase response through the system.

REFERENCES:
patent: 4386430 (1983-05-01), Treiber
patent: 4682343 (1987-07-01), Pfiffner
patent: 4733403 (1988-03-01), Simone
patent: 4802222 (1989-01-01), Weaver
patent: 4819252 (1989-04-01), Christopher

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