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#11
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No, it's a major advantage of modern radars. If you can't detect the
tiny radar signatures of airplanes, detect the much larger signatures of the disturbed air in their wake. It's Well,who needs to detect turbulence if your multistatic is capable of detecting a grain of sand at 600 miles distance? Besides,there is much more important reason,even a bit of forward scatterer from the target carries lots of target information. It is almost a shame that old fashioned Maxwellian EM waves have been used almost for one century as a binary detection method,they are much more than that if you know how to extract info from a bit of signal. But, once again, the physics that makes a good stealth plane (few hot spots, general radar absorption) makes multistatic radars fairly useless, except under one or two very specific angles, and only for very short periods of time. Stealth designers use physics to redirect incoming EM energy and multi static designers use physics to catch redirected EM energy. Multistatics could use any kind of emitter,dedicated radar emitters,TV and radio emitters,cell phone emitters etc and they could even use a method known as "Track before Detect". Yes, they know it won't work very well, and If they think still so a couple of multistatic radar images of their stealth showboats would surely help to change their minds. ictator on the planet. If they do a public demo and show it won't work, someone might actually spend some time on a system that would be I dont think that Russians have a working multistatic system,surely they know fundamentals of multistatic systems and probably also know how to solve coherency problems,but good multistatics are expensive systems and computing power guzzlers. Its very doubtful if Russia today has $$$ and the will to develop such costly systems just to counter a few stealth planes. "Then what just blew up our command center?" Defeating multistatics is much harder,a multistatic could use hundreds of emitters,if not thousands,and the most important part,receiver/processor unit might stay always silent,but if you have prior intelligence its becomes a very easy job. Claimed but not actually demonstrated. In the few public tests I've heard of, they're just not that good. Not to mention that a radar that detects sand grains will detect, well, sand grains. A multi static that can detect a grain of sand at such distances,can detect any "projected" stealth platform. |
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