GPS uses such a system.  You should be able to find theory and code for=20
how they solve the problem.

Gordon Williams



On 15-01-26 10:17 AM, Harold Hallikainen wrote:
> I have an application where I need to determine the positions of
> loudspeakers as XYZ coordinates in a room. It seems that this could be
> done entirely with distance measurements (with a "laser measuring tape').
> If I measure the distance to a point from two known positions, it seems
> that the distances would represent radii of spheres, and there would be a
> circle where they intersect. The point of interest is somewhere on that
> circle. Adding a third measurement from a known point should get us down
> to one point. Can anyone point me to information on such a "navigation
> system?"
>
> Thanks!
>
> Harold
>
>

--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.