ELECTRICAL STIMULATION METHOD, DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM FOR DETERMINING QUALITY OF ELECTRICAL-STIMULATION SIGNAL
An electrical stimulation method for determining the quality of an electrical-stimulation signal is provided in the invention. The electrical stimulation method is adapted for use in an electrical-stimulation device for performing an electrical stimulation. The electrical stimulation method may include the steps of generating the electrical-stimulation signal; sampling the electrical-stimulation signal; performing a fast Fourier transform on the sampled electrical-stimulation signal; and determining whether the signal quality of the electrical-stimulation signal on which the fast Fourier transform was performed meets a threshold.
1 . An electrical stimulation method for determining quality of an electrical-stimulation signal adapted for use in an electrical-stimulation device for performing an electrical stimulation, comprising:
generating the electrical-stimulation signal;
sampling the electrical-stimulation signal;
performing a fast Fourier transform on the sampled electrical-stimulation signal; and
determining whether a signal quality of the electrical-stimulation signal on which the fast Fourier transform was performed meets a threshold.
2 . The electrical stimulation method for determining the quality of an electrical-stimulation signal as defined in claim 1 , further comprising:
when the signal quality meets the threshold, calculating an impedance value corresponding to the electrical-stimulation signal according to the sampled electrical-stimulation signal by using the electrical stimulation device so as to perform the electrical stimulation on a target area.
3 . The electrical stimulation method for determining the quality of an electrical-stimulation signal as defined in claim 1 , further comprising:
sampling a voltage signal of the electrical-stimulation signal and performing the fast Fourier transform on the sampled voltage signal.
4 . The electrical stimulation method for determining the quality of an electrical-stimulation signal as defined in claim 1 , further comprising:
sampling a current signal of the electrical-stimulation signal and performing the fast Fourier transform on the sampled current signal.
5 . The electrical stimulation method for determining the quality of an electrical-stimulation signal as defined in claim 4 , further comprising:
determining whether a first frequency of the voltage signal on which the fast Fourier transform was performed and a second frequency of the current signal on which the fast Fourier transform was performed are equal to a predetermined frequency to determine whether the signal quality of the electrical-stimulation signal meets the threshold.
6 . The electrical stimulation method for determining the quality of an electrical-stimulation signal as defined in claim 5 , wherein the predetermined frequency is between 1 kHz and 1 MHz.
7 . The electrical stimulation method for determining the quality of an electrical-stimulation signal as defined in claim 5 , wherein the predetermined frequency is between 480 kHz and 520 kHz.
8 . The electrical stimulation method for determining the quality of an electrical-stimulation signal as defined in claim 5 , wherein outside the electrical stimulation stage, the electrical stimulation method further comprises:
when the first frequency and the second frequency do not equal the predetermined frequency, determining whether a voltage of the electrical-stimulation signal meets or exceeds a predetermined voltage value;
when the voltage is lower than the predetermined voltage value, raising the voltage by a set amount and then resampling the electrical-stimulation signal; and
when the voltage meets or exceeds the predetermined voltage value, reporting to an external control device that tissue impedance cannot be calculated.
9 . An electrical-stimulation device configured to perform electrical stimulation, comprising:
an electrical-stimulation signal-generating circuit, configured to generate an electrical-stimulation signal;
a sampling module, configured to sample the electrical-stimulation signal;
a fast Fourier transform calculation module, configured to perform a fast Fourier transform on the sampled electrical-stimulation signal; and
a determination module, configured to determine whether a signal quality of the sampled electrical-stimulation signal on which the fast Fourier transform was performed meets a threshold.
10 . The electrical-stimulation device as defined in claim 9 , wherein the electrical-stimulation device further comprises a calculation module, wherein when the signal quality meets the threshold, an impedance of the electrical-stimulation signal is calculated according to the sampled electrical-stimulation signal by using the calculation module so as to perform the electrical stimulation on a target area.
11 . The electrical-stimulation device as defined in claim 9 , wherein the sampling module samples a voltage signal of the electrical-stimulation signal, and the fast Fourier transform calculation module performs the fast Fourier transform on the sampled voltage signal.
12 . The electrical-stimulation device as defined in claim 11 , wherein the sampling module samples a current signal of the electrical-stimulation signal, and the fast Fourier transform calculation module performs the fast Fourier transform on the sampled current signal.
13 . The electrical-stimulation device as defined in claim 12 , wherein the determination module determines whether a first frequency of the voltage signal on which the fast Fourier transform was performed and a second frequency of the current signal on which the fast Fourier transform was performed are equal to a predetermined frequency to determine whether the signal quality of the electrical-stimulation signal meets the threshold.
14 . The electrical-stimulation device as defined in claim 13 , wherein the predetermined frequency is between 1 kHz and 1 MHz.
15 . The electrical-stimulation device as defined in claim 13 , wherein the predetermined frequency is between 480 kHz and 520 kHz.
16 . The electrical-stimulation device as defined in claim 13 , wherein outside the electrical stimulation stage, when the first frequency and the second frequency do not equal the predetermined frequency, the determination module determines whether a voltage of the electrical-stimulation signal meets or exceeds a predetermined voltage value, when the voltage is lower than the predetermined voltage value, the determination module raises the voltage by a set amount and then resamples the electrical-stimulation signal, wherein when the voltage meets or exceeds the predetermined voltage value, the determination module reports to an external control device that tissue impedance cannot be calculated.
17 . A computer-readable storage medium storing one or more instructions and cooperating with an electrical-stimulation device for performing an electrical stimulation, wherein when the one or more instructions are executed by the electrical-stimulation device, the electrical-stimulation device executes a plurality of steps comprising:
generating an electrical-stimulation signal;
sampling the electrical-stimulation signal;
performing a fast Fourier transform on the sampled electrical-stimulation signal; and
determining whether a signal quality of the electrical-stimulation signal on which the fast Fourier transform was performed meets a threshold.
18 . The computer-readable storage medium as defined in claim 17 , wherein the steps executed by the electrical-stimulation device further comprise:
when the signal quality meets the threshold, calculating an impedance value corresponding to the electrical-stimulation signal according to the sampled electrical-stimulation signal by using the electrical stimulation device, so as to perform the electrical stimulation on a target area.
19 . The computer-readable storage medium as defined in claim 17 , wherein the steps executed by the electrical-stimulation device further comprise:
sampling a voltage signal of the electrical-stimulation signal and performing the fast Fourier transform on the sampled voltage signal.
20 . The computer-readable storage medium as defined in claim 17 , wherein the steps executed by the electrical-stimulation device further comprise:
sampling a current signal of the electrical-stimulation signal and performing the fast Fourier transform on the sampled current signal.
21 . The computer-readable storage medium as defined in claim 20 , wherein the steps executed by the electrical-stimulation device further comprise:
determining whether a first frequency of the voltage signal on which the fast Fourier transform was performed and a second frequency of the current signal on which the fast Fourier transform was performed are equal to a predetermined frequency to determine whether the signal quality of the electrical-stimulation signal meets the threshold.
22 . The computer-readable storage medium as defined in claim 21 , wherein the predetermined frequency is between 1 kHz and 1 MHz.
23 . The computer-readable storage medium as defined in claim 21 , wherein the predetermined frequency is between 480 kHz and 520 kHz.
24 . The computer-readable storage medium as defined in claim 21 , wherein outside the electrical stimulation stage, the steps executed by the electrical-stimulation device further comprise:
when the first frequency and the second frequency do not equal the predetermined frequency, determining whether a voltage of the electrical-stimulation signal meets or exceeds a predetermined voltage value;
when the voltage is lower than the predetermined voltage value, raising the voltage by a set amount and then resampling the electrical-stimulation signal; and
when the voltage meets or exceeds the predetermined voltage value, reporting to an external control device that tissue impedance cannot be calculated.