Newsgroups: comp.robotics
Path: brunix!uunet!elroy.jpl.nasa.gov!decwrl!adobe!epperson
From: epperson@adobe.com (Mark Epperson)
Subject: Re: Sonar and the 68HC11
Message-ID: <1993Jan24.081155.15471@adobe.com>
Sender: usenet@adobe.com (USENET NEWS)
Organization: Adobe Systems Incorporated
References: <EfM5_Ya00WBM458UUW@andrew.cmu.edu>
Date: Sun, 24 Jan 1993 08:11:55 GMT
Lines: 8

What about a differential sonar, has anyone done it? I envision 
a set of three receivers with the center one as the only transmitter.
Any ideas?

As I am not current in my physics, what would be the difficulties in
making a phased array? (wavelength too long?)

Mark Epperson
