The Dynamic Study of Magnetic Signal Frequency-Power Spectrum from Different Points by Superconducting Biomagnetometer

In this paper the changes of magnetic signal frequency-power spectrum of 'Lao gong', 'Bai Hui' and 'Yin Tang' points were investigated under qigong state by superconducting biomagnetometer. There are three kinds of magnetic signals (<1Hz, 3Hz, <2Hz), and three kinds of power changes (increase, decrease and no change) measured from these points. At qigong process two novel phenomena (decrease of per and the changes of frequency spectrum) were found.