http://www.lockheedmartin.com/us/news/press-releases/2016/september/160913-rms-f-35-and-aegis-combat-system-successfully-demonstrate-integration-potential-in-first-live-missile-test.html


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t.
"Laimis" <wiela@centras.lt> wrote in message 
news:ogt333$6ee$1@trimpas.omnitel.net...
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> Bronco rase:
>
>> Ir dar vienas toks niuansiukas, jog bet kuri F35 modifikacija
>> pamato s300/400 anksciau, nei juos pamato mineti "net analogov"
>> ginklai ir... daugiau nebera apie ka sneketi. Viskas baigta. Nes
>> F35 ir neskirtas
>
> http://www.ausairpower.net/APA-Nebo-SVU-Analysis.html
>
> F35 ryskaus privalumo pries S300/S400 kompleksu VHF radarus
> nematomumo/aptinkamumo prasme veikiausiai neturi. Pacioje pabaigoje
> yra kelios pastraipos, paaiskinancios fizika, pries kuria tikejimu
> technologiniu pranasumu nepakovosi:
>
> "For instance, let us consider the F-35 JSF in the 2 metre band
> favoured by Russian VHF radar designers. From a planform shaping
> perspective, it is immediately apparent that the nose, inlets, nozzle
> and junctions between fuselage, wing and stabs will present as Raleigh
> regime scattering centres, since the shaping features are smaller than
> a wavelength. Most of the straight edges are 1.5 to two wavelengths in
> size, putting them firmly in the resonance regime of scattering. Size
> simply precludes the possibility that this airframe can neatly reflect
> impinging 2 metre band radiation away in a well controlled fashion.
>
> The only viable mechanism for reducing the VHF band signature is
> therefore in materials, especially materials which can strongly
> attenuate the induced electrical currents in the skins and leading
> edges. The physics of the skin effect show that the skin depth is
> minimised by materials which have strong magnetic properties. The
> unclassified literature is replete with magnetic absorber materials
> which have reasonable attenuation performance at VHF band, but are
> very dense, and materials which require significant depth to be
> effective if lightweight. The problem the JSF has is that it cannot
> easily carry many hundreds of pounds of low band absorber materials in
> an airframe with borderline aerodynamic performance. Some
> technologies, such as laminated photonic surface structures might be
> viable for skins, but the experimental work shows best effect in the
> decimetric and centimetric bands. Thickness again becomes an issue.
>
> The reality is that in conventional decimetric to centimetric radar
> band low observable design, shaping accounts for the first 10 to 100
> fold reduction in signature, and materials are used to gain the
> remainder of the signature reduction effect. In the VHF band shaping
> in fighter sized aircraft is largely ineffective, requiring absorbent
> materials with 10 to 100 fold better performance than materials
> currently in use. In the world of materials, getting twice the
> performance out of a new material is considered good, getting fivefold
> performance exceptional, and getting 100 fold better performance
> requires some fundamental breakthrough in physics."
>
> Taigi, F35'us veikiausiai mato ir mato pakankamai gerai, kad galetu
> numusti, o kodel nenumusa (be to, kad kritinio poreikio-gresmes
> numusti nera; ju baziu juk neatakuoja ir veikiausiai lanku aplenkia),
> tai visa aibe priezasciu-stabdziu, pradedant tuo, kad nesijaucia ir
> negali isijausti jie ten seimininkais, kad ir kaip vidaus rinkoje
> transliuojama, nes tai reikstu jau visai rimtas konfrontacijas, kurias
> normalizuoti butu labai sunku (numusus F35 ir atsakomuoju praradus
> S400 kompleksa ar apsaudzius baze, be dar didesnio erzelio politineje
> arenoje, sankciju, neisvengiamai sektu revansas (veido atstatymas, dar
> inirtingesnis isitraukimas) liuboi cenoij ir ta visi
> supranta/ivertina, todel bet koks potencialus incidentas, speciau,
> marinamas koordinavimu/susitarimais dar jo tikimybes uzuomazgoje)
>
> Kas siaip idomu, tai:
>
> "The display system software for the operator consoles and interfacing
> to the array management processor (array control) was developed
> initially in the 2000 to 2002 timeframe, using COTS software and
> hardware, specifically Intel architecture, Linux and ?/?++ high level
> languages, and Xlib, Xt, Xaw, Qt libraries/toolkits. This is the same
> basic technology used in state of the art US military equipment for
> this purpose. This also supports NNIIRT claims that the 1L119 is a
> fully digital system."
>
> Zodziu: be pindosiniu, prognivscevo zapada technologiju ir S400
> neapsieina (idomu ar mosfet'ai antenose-stiprintuvuose rusu gamybos)...
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