Delay Pressure Detection Method to Eliminate Pump Pressure Interference on the Downhole Mud Pressure Signals

Table 1

SNR of reconstructed mud pressure DPSK signal.

Delayed time 𝜏0 (ms)	SNR of reconstructed mud pressure DPSK signal
0.98	72.6
1.95	72.6
2.93	72.5
3.91	72.4
4.89	72.1
5.86	70.5