ECM vs Radar Guided Missile

[blackadam]

Here: MSP-410 'Omul' ECM system

 

 

The MSP-410 'Omul' ECM system is a pod mounted variant of the 'Gardeniya' family of radio frequency jammers. It's designed for individual and group protection of frontline aircraft against enemy air-air and surface-air missiles and associated radars. It was designed and produced by FGUP-CNIRTI institute in cooperation with 'Radiozavod - Signal'.

 

Manufacturer Specifications:

 

• Frequency range:G - J

• Types of interference:

- Noise (narrowband, broadband);

- Misleading in range;

- Misleading for speed;

- Angle;

- Retaliatory pulse;

- Complexes of interference with programmable structure.

• Sector protection in the front and rear hemisphere (degrees):

azimuth120

elevation 60

• Bandwidth Signalat least 4

• Weight, kg40

• Operating temperature, ° C-60-+60

I do not understand how can against AIM-120C, R-77 the active radar guidance? Most radar for missile are active pulse-doppler (or multi-function doppler-monopulse), it has the ability through chaff countermeasures, while the ECM?

 

But here is another saying: Monopulse radars aren't like pulse-Doppler in this respect (Perhaps the R-77 uses a different seeker). How can ECM activity without knowing the missile's radar frequency?

 

 

http://www.globalsecurity.org/subscribe/index.html

http://www.aviatia.net/armament/aam-missiles-air-to-air/aim-120-amraam/

http://www.f-16.net/f-16_forum_viewtopic-t-8980-postdays-0-postorder-asc-start-15.html

Edited September 30, 2013 by blackadam

[EtherealN]

I do not understand how can against AIM-120C, R-77 the active radar guidance? Most radar for missile are active pulse-doppler (or multi-function doppler-monopulse), it has the ability through chaff countermeasures, while the ECM?

 

Not sure I see where you consider the problem is.

 

It detects the incoming signals, analyzes them really fast*, and then sends signals on a return vector to confuse the echo the threat gained. Works the same against missiles and aircraft. (Though different sets have varying vulnerability.)

 

ECM knows the enemy missile's frequency though listening to it. If the missile can beam you, inverse square law means you have way stronger signal from it, than it gets from your echo.

 

* This is a computation problem. You just need to get a sufficiently strong computer in there, and electronics that are fast enough to get the computed appropriate "response" signal sent back to the threat.

This is the same as the self-defence jammers fighters have had for a long time. You can see the A-10C in DCS do this if you carry it's pod; it'll see the threat and defend against that specific threat. NOTE: only that threat. "Real" ECM doesn't really work like you see in most simulators; they (including Flaming Cliffs aircraft) have noise jammers, which are different, and not very effective against modern equipment.

Edited September 30, 2013 by EtherealN