{HEAD ~ The speed and phase error processing step} will now be explained in {TAIL ~ more detail} with reference to FIG 4 
explained in
{ HEAD ~ The speed and phase error processing step } will now be explained in { TAIL ~ more detail } with reference to FIG 4
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH