The undesired periodic noise filtering in {HEAD ~ the frequency domain} is carried out by {TAIL ~ the DSP} 22 on the complex transformation values affected by the undesired periodic noise 
The undesired periodic noise filtering in { HEAD ~ the frequency domain } is carried out by { TAIL ~ the DSP } 22 on the complex transformation values affected by the undesired periodic noise
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH