EEG Signal Generation and Applying Wavelet Transformation. Raw EEG signals for 5 different electrodes. 30 seconds, 5 channels, 1 feature to label, 100 Hz sampling frequency. Raw signals lableing and normalization Spike each 5 seconds for 1 second and applying z-normalization. Wavelet Transformation for Raw Signals. Discrete Wavelet Transform using a Daubechies 4 ('db4') wavelet. Labeling Wavelet signals.