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GAUGE LENGTH OPTIMIZATION FOR SIGNAL PRESERVATION AND GAUGE LENGTH PROCESSING FOR DISTRIBUTED VIBRATION SENSING
GAUGE LENGTH OPTIMIZATION FOR SIGNAL PRESERVATION AND GAUGE LENGTH PROCESSING FOR DISTRIBUTED VIBRATION SENSING
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机译:信号保持的量规长度优化和分布式振动传感的量规长度处理
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摘要
Techniques are disclosed that facilitate use of a distributed vibration sensing system for collecting data in a well application to provide improved collection of strain related data, such as for a seismic survey. The techniques facilitate selection of a variable optimal gauge length that optimally preserves the signal bandwidth and temporal resolution of the sensing system and that can be tuned using the actual apparent velocity and maximum recoverable frequency of the monitored parameters. Techniques for real-time processing of DVS data using a preliminary variable optimal gauge length are disclosed, as well as techniques for re-processing the DVS data at a later time using an updated variable optimal gauge length that is derived from the preliminary processing of the DVS data.
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