The transmit path of an XDSL modem introduces various non linearities into {HEAD ~ transmissions} in {TAIL ~ both the frequency and time domains} 
in
The transmit path of an XDSL modem introduces various non linearities into { HEAD ~ transmissions } in { TAIL ~ both the frequency and time domains }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL