From: Jim Yanik
Subject: Re: heat seeking missile guidance system
Date: Sat, 28 Dec 2002 02:32:55 +0000 (UTC)
Organization: Friends of Lummox
References: <email@example.com> <firstname.lastname@example.org>
NNTP-Posting-Date: Sat, 28 Dec 2002 02:32:55 +0000 (UTC)
> Jim Yanik wrote:
>> wrote in
>>> Jim Yanik wrote:
>>>> "Anthony Q. Bachler" wrote in
>>>>> Imaging is necessary for newer missles that have to hit targets
>>>>> while moving at supersonic speeds. Older slow missiles from WW2
>>>> No,imaging is necessary for counter-countermeasures(decoy/flare-
>>>> rejection).It makes the missile very difficult to jam.But imaging
>>>> requires more complex computer (FAST)image processing,the servos
>>>> are probably the same as have been proven in the past.
>>> Then again, computers are cheap.
>>> I can't get over the fact that I can produce decent real-time
>>> encoded video with bits that cost only $100 or so.
>> Yes,but can you integrate them into a small missile? and can you do
>> the SW for the job?
> Well, I am actually at the moment in the process of prototyping bits
> for a star tracker that will work under relatively heavy vibration,
> accelleration, and rotation, with an all-up weight of ~100g or so,
> maybe. (with great difficulty and many hundreds of tests.)
> Admittedly, things get a little more expensive if you can't use a
> standard motherboard, but there are lots of fast
> single-board-computers out there, and a custom design is not
> impossible. Then again, there is fast, and there is fast.
> I suspect a 1300Mhz or so PC type processor is dramatic overkill for
> what is needed.
I suspect missile imaging processors use fast DSP IC's.Most of what I've
learned about missile guidance I've gleaned from reading Aviation Week and
Space Technology magazine,and what people have revealed on these
Jim Yanik,NRA member
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