
Originariamente Scritto da
paulhowe
aaaaaaaaaaaaaaaaahhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh hh
Ma sei davvero una macchietta senza fine!
Lo vedi questo radar qui .
http://www.f22fighter.com/atfrad1.jpg
The F-22's Northrop Grumman/Texas Instruments-built AN/APG-77 radar is an active-element, electronically scanned (that is, it does not move) array of over 1000 finger-sized transmitter / receiver modules. Each module weights ca 15g and has a power output of over 4W. The APG-77 is capable of changing the direction, power and shape of the radar beam very rapidly, so it can acquire target data, and in the meantime minimizing the chance that the radar signal is detected or tracked.
Most of the mechanical parts common to other radar have been eliminated, thus making the radar more reliable. This type of antenna, which is integrated both physically and electro magnetically with the airframe, provides the frequency agility, low radar cross-section, and wide bandwidth necessary to support the F-22's air dominance mission.
One requirement that drove all of the ATF designs was a wide field of regard for sensors, enabling the Raptor to acquire and track multiple targets beyond visual range. The requirement called for a 120-degree radar field of regard on each side of the nose.
Lo hanno costruito oltre 15 anni fa...i russi ancora oggi non sono in grado di mettere in linea lo stesso radar.
Quelle antenne che hai postato non sono 168 radar, ma elementi di un unico apparato.