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

Figure 3

Simulation results of received signals in the single-receiver mode. (a) Time-domain waveform at the receiver , (b)  frequency-domain waveform at the receiver , (c) time-domain waveform at the receiver , and (d) frequency-domain waveform at the receiver .

(a)

(b)

(c)

(d)