Study on Phase Sensitive Detection Technology of Multi-Frequency Signals in Electrical Logging

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  • School of Electronic and Electrical Engineering, Baoji University of Arts and Science, Baoji 721016 ,CN


Electrical Logging, Multi-Frequency Signals, PSD.


Based on the principle of phase sensitive detection (PSD) technology, the multi-frequency digital PSD algorithm is deduced to achieve the constrained relationship of sampling frequency, sampling number and signal frequency in the PSD of multi-frequency signals. The results of simulation experiment show that the amplitude detection error is controlled within 0.5% and the phase detection error is controlled within 0.2% when the signal to noise ratio (SNR) is as low as -10dB.


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How to Cite

Hou, Y. (2022). Study on Phase Sensitive Detection Technology of Multi-Frequency Signals in Electrical Logging. Journal of Mines, Metals and Fuels, 66(8), 478–481. Retrieved from






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