the sa8 can track no newtonian object ( helicopter with mti)? Helicopter rotor is always visible.
when working in doppler the system can only have lock on newtonian object (the object move forward or rearward not the two at the same time like a helicopter's rotor or jamming)
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Special consideration is required for aircraft with large moving parts because pulse-Doppler radar operates like a phase-locked loop. Blade tips moving near the speed of sound produce the only signal that can be detected when a helicopter is moving slow near terrain and weather.
Helicopters appears like a rapidly pulsing noise emitter except in a clear environment free from clutter. An audible signal is produced for passive identification of the type of airborne object. Microwave Doppler frequency shift produced by reflector motion falls into the audible sound range for human beings (20-20,000 Hz), which is used for target classification in addition to the kinds of conventional radar display used for that purpose, like A-Scope, B-Scope, C-Scope, and RHI indicator. The human ear may be able to tell the difference better than electronic equipment.
A special mode is required because the Doppler velocity feedback information must be unlinked from radial movement so that the system can transition from scan to track with no lock.
Similar techniques are required to develop track information for jamming signals and interference that cannot satisfy the lock criteria.
does it have those special mode to track helicopter , and to protect against jam that simulate (target with receding AND advancing movement at the same time to break track (jammer could break old sa6 missile track but not the improved))
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can the enemy jam the SVR ? Usually no, the missile has a powerful beacon, and it is closer to the OSA than the target.
the tunguska and tor move to missile tracking flare (IR)(because sa8 svr could be spoof or jam?) 2k22m(can be spoof by flare or dircm?) , and then IR pulsed beacon 2k22m1(there is a reason they move to infrared)
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can the enemy jam the Missile Antenna (for SPK), is it omnidirectionnal antenna? Why on earth would you jam a transmitting only system???
can the enemy jam the receiver on the missile (the spk is only transmitting) so the missile can't receive k1k2k3 and the receiver is it directionnal antenna?( to protect from jamming)
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can the enemy jam the proximity fuse(especially Under noise jamming , no range information)? No, as it has a narrow perpendicular beam, so jamming it is usually too late.
the 2k22m tunguska move to 8 laser proximity fuse (to protect from jamming?) and then 2k22m1 move back to RF proximity fuse to intercept cruise missile.
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what's the minimal altitude before angular track become unreliable ?(100meter?) Manual page 25, its not altitude, but elevation angle
the sa8 use Pulse-Doppler signal processing (high sub-clutter visibility performance ,like tunguska ,require good hardware) ? or MTI with phase cancellation ( but low sub-clutter visibility performance( old device)) ( second most likely) if target fly near ground (how much?) the target can't be distinguished from ground because MTI can suppress only 25dB signal , the ground clutter is still higher than target(unlike pulse-doppler processing 45dB ,60 dB ...)you can't see the target (only with camera?), helicopter 's rotor rcs is low .
the question are about sa8 ak ( akm better )not the sim itself thx if you have documentation thx for answering
)not the sim itself thx 
