In response to a track jumping command, a tracking servo output signal is expanded onto an orthogonal space to obtain {HEAD ~ simulation parameters} corresponding to {TAIL ~ the tracking servo output signal} 
In response to a track jumping command , a tracking servo output signal is expanded onto an orthogonal space to obtain { HEAD ~ simulation parameters } corresponding to { TAIL ~ the tracking servo output signal }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL