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Subject:
Double active stealth for Rafale ?
Bluewings12
8/16/2008 3:03:44 PM
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Don 't jump on me !
Some French Government papers have been seen on the Net who are actually making a lot of noises on some French military forums .
Unusually , some French Experts have been participating and things are still very cloudy .
I always had interest in ECCMs because Rafale is not a stealth aircraft . I did talk a lot few years ago about SPECTRA (the ECCM suite on Rafale) and I recently posted a paper showing the improvements on SPECTRA for the F2 and F3 software . I still don 't know what those are exactly , but since a week or two things are getting clearer .
First , there is the Red Flag "rumor" saying that Rafale is using a kind of "low powered white noise generation" to hide within the background , leaving the "Agressors" guessing (F-15s and F-16s Red Team). That means that the aircraft is flying low which is the usual French way to penetrate .
Then , that "low powered white noise generation"" seems to be directed at some known radars only (F-15s and F-16s) which indicates known frequency waves and pin-point accuracy .
It seems that a F-15/F-16 cannot detect a low flying Rafale at ...km because of jamming .
Then , there are the French papers themselves .
Page 57 :
h*tp://www.minefi.gouv.fr/performance/performance/politique/2007/10-defense.pdf
and page 59 :
h*tp://www.performance-publique.gouv.fr/farandole/2008/pap/pdf/PAP2008_BG_Defense.pdf
Those are not "confidential" Docs .
Nevertheless , someone came on a french forum and said something like that (rough translation) :
"It is about active cancellation . The F2 software is only able to jam any known radars included in our 'handbook' , but it can also find the frequency and mode used by a doppler radar and guess a LPI lock . The F3 will bring the full trick : near absolute invisibility to all radars through holographic algorithms by using bragg cells with optical treatment , bypassing any numerical calculus so acting in real time"
I understand but I can 't comment .
I do not have enough info on the "second trick" , so I 'll leave it for now .
Cheers .
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