def get_feature_names(ch_names):
    """Generate the name of the features.

    Args:
        ch_names (list): electrode names

    Returns:
        (list): feature names
    """
    bands = ['delta', 'theta', 'alpha', 'beta']

    feat_names = []
    for band in bands:
        for ch in range(len(ch_names)):
            feat_names.append(band + '-' + ch_names[ch])

    return feat_names