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

<div>The measured BER curves of ASK-, FSK-, and PSK-modulated acoustic data at different rotation speeds. (a) 0, (b) 80 r/min, and (c) 140 r/min.</div>

Shock and Vibration

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Figure 12

Figure 12: Multiple-Echo Suppression Modeling and Experimental Verification for Acoustic Transmission along Periodic Drillstring Using Dual Receivers 

Figure 12 | Multiple-Echo Suppression Modeling and Experimental Verification for Acoustic Transmission along Periodic Drillstring Using Dual Receivers 