<p>A system for acquiring environnemental information measurements. The 5 system (100) utilizes a sensor, (205) a front-end circuit, (310) a loop filter (315), a switch controller (206), and a recuced-oder loop control circuit to provide reliable data measurements while providing robust system behavior. The system further includes a sensor simulator (330) for simulating the operation of the sensor (205) and testing the operation of the front-end circuit (310) nd the loop filter (315).</p>
申请公布号
EP1674873(A2)
申请公布日期
2006.06.28
申请号
EP20060005170
申请日期
2000.03.16
申请人
ION GEOPHYSICAL CORPORATION
发明人
JONES, BEN;DUPUIE, SCOTT T.;BLACKBURN, JEFFREY A.;JOHNSON, RICHARD A.;ABRAMS, MICHAEL L.;BROSEGHINI, JAMES;ZAVALETA, MAURICIO A.;BURCHFIELD, MARK E.;MAHER, ROGER;DEVOLK, BURTON A.;MAYO, FRANK