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Table 1 Parameters of the sensors and source function used in the laboratory experiments (S9215 high temperature sensors from Physical Acoustics) and in the simulation with heating and cooling rates

From: Coda wave interferometry during the heating of deep geothermal reservoir rocks

  In laboratory In simulation
Source parameters
 Temporal shape Sinusoidal pulse Ricker
 Central frequency f0 200 kHz 200 kHz
Receiver parameters
 Record every 17.5 s on average Every loading step
 Length of signals 2 ms 2 ms
 Sampling rate 2 MHz 1 GHz
 dt 5.0 × 10−7 1.0 × 10−9
Thermal load
 Rate of cooling/heating 1 °C/min 3 °C/min