Article View: sci.electronics
Article #3871Re: the laser speed measuring device
From: Bob Myers
Date: Mon, 27 Nov 1989 20:21
Date: Mon, 27 Nov 1989 20:21
12 lines
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1029 bytes
>The laser gadget is almost certainly using a pulsed beam rather than a
>continuous one, and picking pulses out of a continuous background is not
>generally a difficult problem. Car headlights don't even show the 120Hz
>modulation of normal AC lighting, much less pulses short enough to confuse
>something with nanosecond-range resolution.
Ah, but they *COULD*.......:-)
Bob Myers KC0EW HP Graphics Tech. Div.| Opinions expressed here are not
Ft. Collins, Colorado | those of my employer or any other
myers%hpfcla@hplabs.hp.com | sentient life-form on this planet.
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!usc!apple!sun-barr!decwrl!ucbvax!hplabs!hpfcso!hpfcdj!myersReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!usc!apple!sun-barr!decwrl!ucbvax!hplabs!hpfcso!hpfcdj!myers From: myers@hpfcdj.HP.COM (Bob Myers) Newsgroups: sci.electronics Subject: Re: the laser speed measuring device Message-ID: <17660038@hpfcdj.HP.COM> Date: 27 Nov 89 20:21:29 GMT References: <89325.164006BHB3@PSUVM.BITNET> Organization: Hewlett Packard -- Fort Collins, CO Lines: 12