{TAIL ~ The method} involves adjusting the transmit power in {HEAD ~ order} to control echo amplitude, in particular to avoid saturation, when the surface being monitored is within a pre defined distance from the ultrasound transducer 
{ TAIL ~ The method } involves adjusting the transmit power in { HEAD ~ order } to control echo amplitude , in particular to avoid saturation , when the surface being monitored is within a pre defined distance from the ultrasound transducer
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH