Electrical stimulation pulse waveform real-time regulation and control method and device based on biological impedance

The invention discloses an electrical stimulation pulse waveform real-time regulation and control method based on biological impedance, and the method comprises the steps: 1, measuring the impedance values of a biological stimulation site at different frequencies through a frequency sweeping mode, and obtaining a frequency-impedance spectrum curve; 2, according to the biological tissue equivalent RC circuit and the turning frequency interval thereof, a curve located in the turning frequency interval is intercepted from the frequency-impedance spectrum curve for data fitting, and an equivalent RC circuit relation formula is obtained; 3, constructing an electric pulse waveform regulation and control model; and step 4, inputting a preset electrical stimulation pulse and a frequency sweeping result into the electrical pulse waveform regulation and control model, and performing calculation analysis and screening to enable the electrical stimulation pulse waveform of the output voltage value to be consistent with t