Passive sonar you just listen to sounds. Active you send and "ping" and
time its return bounce to get distance to an object. (bottom, submarine,
fish)
Jay.
peter mckellar
<mckellar@earthlink.net> To: personal_submersibles@psubs.org
Sent by: cc:
owner-personal_submersible Subject: [PSUBS-MAILIST] Passive vs active sonar
s@psubs.org
26/03/2003 07:51 PM
Please respond to
personal_submersibles
hi all,
could someone please explain the difference between active and passive
sonar?
thx in advance
peter