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A low-power, high-precision, self-testing DAQ system for a large seismic exploration grid

Posted: 05 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:seismic exploration? DAQ? Cirrus Logic? Murari Kejariwal?

In seismic exploration for oil and gas, a grid of 2,000 to 30,000 nodes is formed to acquire reflected wave signals from the rock layers in the earth. Each node consists of a sensor, complete DAQ system with self-test and telemetry for returning data to a central recording unit. This demanding application requires a highly linear, wide dynamic range DAQ system with a 0.1-200Hz bandwidth. A DAQ system has been designed and tested to meet the requirements of this demanding application.

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