<br><br><div class="gmail_quote">On Thu, Jan 6, 2011 at 5:48 AM, Vladimir Vassilev <span dir="ltr"><<a href="mailto:vladimir.vassilev@startup-bg.org">vladimir.vassilev@startup-bg.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<br><div>Any help, comments or suggestions are welcome!</div></blockquote><div><br></div><div>I ran across an interesting paper (an undergraduate thesis, actually) that explores this problem. It's probably worth your time to read it. The object is to come up with an ultrasonic communications system to use with a small unmanned sub:</div>
<div><a href="http://innovexpo.itee.uq.edu.au/2002/projects/s354099/thesis.pdf">http://innovexpo.itee.uq.edu.au/2002/projects/s354099/thesis.pdf</a></div><div><br></div><div>-jim </div></div>