Therefore, {HEAD ~ the bands number} 4, 8 and 12 are affected by {TAIL ~ the undesired periodic noise} 
are affected by
Therefore , { HEAD ~ the bands number } 4 , 8 and 12 are affected by { TAIL ~ the undesired periodic noise }
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL