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Subject: Radar versus Stealth: Passive Radar and the Future of U.S. Military Power
RedParadize    10/16/2009 9:49:41 AM
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gf0012-aust       10/17/2009 11:57:42 PM
Electrons exchange bosons called photons. Its how a radar beam can reach the Moon and cause a return signal. ;-). The gap in physics, is called an "interval", the exchange, itself, is called an "event".
Cheers. :)  I did find it somewhat illuminating (no pun intended) that AESA was now regarded as a  weapons system in its own right.  I look forward to where this beasty goes circa 2015-2020
 
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Hamilcar    Follow up.   10/18/2009 12:12:58 AM
Every photon is a force carrier for the electric-magnetic force, though it does not carry an electric charge. Its the wave function associated with it that allows the photon to be a force carrier. That is why this works:
 


 
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gf0012-aust       10/18/2009 12:33:33 AM

Every photon is a force carrier for the electric-magnetic force, though it does not carry an electric charge.

I was under the impression that at the termination/reflection end with AESA that the weapon issue was one of electrical generation, or more specifically "excitation"??

granted at that stage of the briefing my eyes were glazing over....




 
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RedParadize       10/18/2009 12:42:24 AM
For you everything in the electromagnetic spectrum is light? Using your definition, If you say that a radar emit and detect light, thats also mean a Radar can emit and detect IR and X-ray. I never ear anyone talking about a UV-band Radar.

if you want to group everything in electromagnetic spectrum into one kind of behavior, you should probably say radiation instand light.
 
And again, its completely out of the subject
 
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Hamilcar    Follow up to the follow up.   10/18/2009 12:43:01 AM
What is true for electrons is also true for anti-electrons, protons, and anti-protons. Anything that carries an electric charge needs a photon across the interval, for an an EM event. And of course that goes for any LIGHT event such as infra-red or any other part of the EM spectrum.
 
HEAT, as long as the kinetics involved is from radiation (photons) received from across an interval, can be caused by LIGHT but is not exactly light. Again this HEAT is not the same as infra-red LIGHT. One of the reasons the atmosphere makes such a good mask for a HOT radiator by the way is because as a gas it makes a good radiant HEAT SINK (absorbs photons). It is rather opaque to infra-red. Density is a bit less of an effect here than the scalar of the interval and atmospheric ambient temperature around the hot object (All physics is LOCAL). As long as those photons don't cross the interval; the jet plume could be hot enough to melt steel and the IR detector would never see it at ANY distance. Haven't figured out how to do that yet, but what's been done to radio suggests things that may work.  
 
   
 
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Hamilcar       10/18/2009 12:55:11 AM

For you everything in the electromagnetic spectrum is light? Using your definition, If you say that a radar emit and detect light, thats also mean a Radar can emit and detect IR and X-ray. I never ear anyone talking about a UV-band Radar.




if you want to group everything in electromagnetic spectrum into one kind of behavior, you should probably say radiation instand light.

 

And again, its completely out of the subject

Yep. Problem is that you don't know what you are talking about, and now you are flailing desperately. Light (or electromagnetic action across the interval) is the event. The photon crosses the interval when its RADIATED  (emitted) and ABSORBED. Sorry about that, but QED is built on those simple concepts   When you  try to talk about radiation the way you do, you are not talking in terms that are real, at least not to physics oriented me. You are trying to use terms you don't know at all.   
 
By the way; how do you think a LASER range finder works?
 
 
 
 
 
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jackjack       10/18/2009 1:02:57 AM

For you everything in the electromagnetic spectrum is light? Using your definition, If you say that a radar emit and detect light, thats also mean a Radar can emit and detect IR and X-ray. I never ear anyone talking about a UV-band Radar.
 if you want to group everything in electromagnetic spectrum into one kind of behavior, you should probably say radiation instand light.
And again, its completely out of the subject
mate, a bit of advice
its pointless trying to stand your ground , when you're treading water
 
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RedParadize       10/18/2009 1:22:55 AM
Thanks JackJack

I know what he is doing, but in fact i don't realy care. It is kind of funny to see him dodge every point I bring. Do you see how many unrelated word end concept he can put in the same paragraph? quite impressive! the best was the blub one. a perfect example of sophism
 
With you around i guess whe can go back to the topic!  any opinion about Radar versus Stealth: Passive Radar and the Future of U.S. Military Power?
 
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Hamilcar    Now you are acting to save face.   10/18/2009 1:36:33 AM

Thanks JackJack




I know what he is doing, but in fact i don't realy care. It is kind of funny to see him dodge every point I bring. Do you see how many unrelated word end concept he can put in the same paragraph? quite impressive! the best was the blub one. a perfect example of sophism

 

With you around i guess whe can go back to the topic!  any opinion about Radar versus Stealth: Passive Radar and the Future of U.S. Military Power?

Why don't you learn a little science when someone teaches you? All of this gas bearinfg on what you need to know as to why radar signal return can be maskedm distorted or scattered.
 
You might want to seize the opportunity to LEARN. For example. Radio waves can be absorbed and turned into kinetic energy. Its that pesky photon. In theory, you might be able create a conductive path through a solid and transmit a radio beam through and re-emit it at an angle that is away from the original radiator (doesn't work). Or you might shape a surface so that the radio waves bounce around inside a light trap and lose energy that way. (That does work to a limited extent.).
 
So you see what you are being taught is on topic and on subject.    

 
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Hamilcar    Bow that I think about it.   10/18/2009 1:53:28 AM
There is nothing more I want to say in this thread.  Have fun with the topic.
 
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