1887

Abstract

E048 Maximising Signal-To-Noise Ratio in Transient EM Data A.M. Ziolkowski* (MTEM Ltd) & R. Carson (MTEM Ltd) SUMMARY We describe the multi-transient electromagnetic method and focus on new technology to maximise the signal-to-noise ratio. The amplitude of the transient EM impulse response decays with offset r as 1/r^5. We employ a variety of techniques to maximize the signal: maximizing the input current ; increasing the source bi-pole length proportional to offset r but satisfying the constraint that the length must be less than a quarter of the offset; choosing the order of the PRBS source time function to be large

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/content/papers/10.3997/2214-4609.201401627
2007-06-11
2020-04-01
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201401627
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