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[DPRG] Phase Shift

Subject: [DPRG] Phase Shift
From: ray xu rayxu at tx.rr.com
Date: Tue Jul 22 09:32:55 CDT 2008

But doesn't sensors like the Hokuyo sensors work with phase shift?  Are
there any other ways?

___________________
Ray Xu
rayxu at tx.rr.com
DPRG member
OOPic group member
Seattle Robotics group member
My Blog


-----Original Message-----
From: dprglist-bounces at dprg.org [mailto:dprglist-bounces at dprg.org] On Behalf
Of Dean Hall
Sent: Tuesday, July 22, 2008 9:15 AM
To: dprglist at dprg.org
Subject: Re: [DPRG] Phase Shift

A phase shift won't give you the range to an object, only the speed  
of that object with respect to the sensor.

!!Dean


On Jul 22, 2008, at 08:55 , ray xu wrote:

> Hi, I'm moving on from using complex high speed circuits for my  
> laser range finder to using other methods like phase shift; I  
> understand little about this, can someone explain it to me?  Also,  
> is there any way of measuring phases that are off by as little as 1  
> ns?
>
>
> Thanks.
>
>
> ___________________
> Ray Xu
> rayxu at tx.rr.com
> DPRG member
> OOPic group member
> Seattle Robotics group member
> My Blog

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