Pulsar ULTRA 5 - Page 11

Page 5
Fig 3: Describing ringdown and echoes.
The red trace is the echo signal return, the horizontal scale is distance to target in
metres and the vertical scale is signal strength return in millivolts. The echo
above is approx 3.8m from the transducer and has signal strength of 480mv.
Ringdown
Echo
Secondary
Echo