Re: Ascension Flock-of-Birds

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Stephen Maher (maher++at++holodeck.gsfc.nasa.gov)
Wed, 28 Aug 1996 10:32:01 -0400 (EDT)

> Sorry if this is a bit off subject - but has anyone
> out there played with an Ascension Flock-of-Birds?
>
> I'm seeing *really* poor angular noise levels - when the detector
> and emitter are around two feet apart I see around 5 degrees of noise!
>
> Steve Baker 817-323-1361 (Vox-Lab)

A few additional comments:

Obvious, but try to reduce ferrous/magnetic objects and sources of
electromagnetism (e.g., CRT) in the area.

You could implement a simple first (or second) order filter that smooths
the noise.

5 deg at 2 ft seems outside specs, but I don't have the manual with me.

Steve

--
Stephen.Maher++at++gsfc.nasa.gov                     (301) 286-3368
Scientfic Visualization Studio              (f) (301) 286-1634
Code 935 NASA Goddard Space Flight Center


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