#4038542 - 11/20/14 06:28 PM
Re: SAMSIM ANNOUNCEMENTS
[Re: Hpasp]
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Joined: Sep 2011
Posts: 2,011
piston79
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It will introduce...
- Karat camera for Volhov - Karat camera for Neva .............
If had time, please check camera mode in non-historical scenario... I think it have some problem, but cannot confirm as cannot use that mode with my machine...
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#4038813 - 11/21/14 09:24 AM
Re: SAMSIM ANNOUNCEMENTS
[Re: piston79]
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Joined: Dec 2009
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Hpasp
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It will introduce...
- Karat camera for Volhov - Karat camera for Neva .............
If had time, please check camera mode in non-historical scenario... I think it have some problem, but cannot confirm as cannot use that mode with my machine... What scenario?
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#4050757 - 12/15/14 09:05 AM
Re: SAMSIM ANNOUNCEMENTS
[Re: Hpasp]
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Hpasp
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New Documentation Set Released Japanese update of several documents, done by std_sk.
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#4142829 - 07/04/15 01:56 PM
Re: SAMSIM ANNOUNCEMENTS
[Re: Hpasp]
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Hpasp
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I actually written it during Friday afternoon, to check some claims about these arrays. If you switch off 1~2 transmitter (more than 10% of the total), the beam steering will still work. It is a nice experiment to switch off all, and allow just 2 (furthest apart) emitter to work, and the beam steering is still nicely visible...
Last edited by Hpasp; 07/04/15 02:24 PM.
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#4146979 - 07/15/15 05:39 PM
Re: SAMSIM ANNOUNCEMENTS
[Re: Hpasp]
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Joined: Sep 2011
Posts: 2,011
piston79
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I actually written it during Friday afternoon, to check some claims about these arrays. If you switch off 1~2 transmitter (more than 10% of the total), the beam steering will still work. It is a nice experiment to switch off all, and allow just 2 (furthest apart) emitter to work, and the beam steering is still nicely visible... How could jam this?
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#4147002 - 07/15/15 06:52 PM
Re: SAMSIM ANNOUNCEMENTS
[Re: Hpasp]
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Posts: 635
Alien_MasterMynd
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I think the same way as usual, but due to very narrow beams of modern systems, they are hard to be detected by someone else than a targeted plane (also acts as a partial HARM immunity).
Modulation and other RF properties are the same.
--------edit You just move the beam like you would move the whole antenna (or feeder) in a "classical" non-phased system.
Last edited by Alien_MasterMynd; 07/15/15 07:40 PM.
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#4147006 - 07/15/15 07:12 PM
Re: SAMSIM ANNOUNCEMENTS
[Re: piston79]
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Hpasp
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PESA and AESA radars are basically narrow pencil beamed impulse-doppler radars with monopulse receiver, where the beam steering is done by digital phase modulation instead of mechanical antenna movement. Impulse-doppler monopulse radars (emitting narrow pencil beams) are not an easy targets for jamming. (remember, monopulse receiver is getting more precise target direction in case if its jammed) If it is a SAM fire control radar, its preferred to jam its acquisition radar before lock, or if its locked on than just throw a HARM towards it, and release the ALE-50 towed decoy. Beaming, or VGPO ECM technique could be tried, but the latter one would require deep knowledge of the targeted radar system to be successful.
Last edited by Hpasp; 07/15/15 07:30 PM.
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Exodus
by RedOneAlpha. 04/18/24 05:46 PM
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