File list (Check if you may need any files):
zero_crossing_detection\bandpass.asv
.......................\filter.asv
.......................\fpeak.m
.......................\freqz_signal.m
.......................\guolingjiance.asv
.......................\max.asv
.......................\valid_point.asv
.......................\xcross_delay_time.asv
.......................\zerocrossing_detection.asv
.......................\zerocrossing_detection.m
.......................\zerocrossing_detection_noise.asv
.......................\zero_crossing_detection.asv
.......................\stepseq.m
zero_crossing_detection