Electroencephalogram signal analysis method based on complex network and application
A technology of EEG signal and analysis method, applied in the fields of application, medical science, sensor, etc., to achieve the effect of high time-frequency resolution
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Embodiment 1
[0021] The present invention provides a complex network-based EEG signal analysis method and application, specifically comprising the following steps:
[0022] Step 1: Collect signals, randomly select 30 suitable research subjects, place these 30 research subjects in the same environment, collect the digital EEG signals of the subjects in a state of quietness, sobriety and eyes closed, and control the sampling frequency. Obtain a piece of data in a time period, and use this data as a data module, where the sampling frequency is set to 200Hz, and the time period contained in the data module is set to 15 seconds;
[0023] Step 2: Build an EEG signal network, store several sets of data collected in Step 1 into the computer, and perform preprocessing. The specific operation of preprocessing is to first band-pass filter the collected EEG data to remove the EEG The high and low frequency interference components in the data, and then manually remove the artifact data from the EEG dat...
Embodiment 2
[0029] The present invention provides a complex network-based EEG signal analysis method and application, specifically comprising the following steps:
[0030] Step 1: Collect signals, randomly select 40 suitable research subjects, place these 40 research subjects in the same environment, collect the digital EEG signals of the subjects in a quiet, awake state with their eyes closed, and control the sampling frequency. Obtain a piece of data in a time period, and use this data as a data module, where the sampling frequency is set to 220Hz, and the time period included in the data module is set to 17 seconds;
[0031] Step 2: Build an EEG signal network, store several sets of data collected in Step 1 into the computer, and perform preprocessing. The specific operation of preprocessing is to first band-pass filter the collected EEG data to remove the EEG The high and low frequency interference components in the data, and then manually remove the artifact data from the EEG data to...
Embodiment 3
[0037] The present invention provides a complex network-based EEG signal analysis method and application, specifically comprising the following steps:
[0038] Step 1: Collect signals, randomly select 50 suitable research subjects, place these 50 research subjects in the same environment, collect the digital EEG signals of the subjects in a quiet, awake state with their eyes closed, and control the sampling frequency. Obtain a piece of data in a time period, and use this data as a data module, where the sampling frequency is set to 240Hz, and the time period contained in the data module is set to 20 seconds;
[0039] Step 2: Build an EEG signal network, store several sets of data collected in Step 1 into the computer, and perform preprocessing. The specific operation of preprocessing is to first band-pass filter the collected EEG data to remove the EEG The high and low frequency interference components in the data, and then manually remove the artifact data from the EEG data t...
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