Multiple-Echo Suppression Modeling and Experimental Verification for Acoustic Transmission along Periodic Drillstring Using Dual Receivers

<div>The disturbance pulse signal imposed by a hammer. (a) Time-domain signal, (b) frequency-domain signal.</div>

Shock and Vibration

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Figure 11

Figure 11: Multiple-Echo Suppression Modeling and Experimental Verification for Acoustic Transmission along Periodic Drillstring Using Dual Receivers 

Figure 11 | Multiple-Echo Suppression Modeling and Experimental Verification for Acoustic Transmission along Periodic Drillstring Using Dual Receivers 