[1]CNPC Engineering Technology R&D Company Ltd.;
Beijing 102206;
China;
[1]CNPC Engineering Technology R&D Company Ltd.;
Beijing 102206;
China;
[1]CNPC Engineering Technology R&D Company Ltd.;
Beijing 102206;
China;
drilling fluid; pulse signal; signal processing; decoding success rate; automatic de-noising and recognition; wavelet forced de-noising; peak detection; synchronous decoding;