Ralfi's Alley- An FYI on the CMS of the A-10C скачать в хорошем качестве

Ralfi's Alley- An FYI on the CMS of the A-10C

Because I was doing this late night, I might have slightly misspoke about something. So in order to try and avoid confusion, here is a more in depth explanation on the MWS system: The MSW system on the A-10C is UV (There are others like IR and Radar). "The sensors in UV systems are nothing more complicated than CCD/CMOS sensors tuned and filtered to pick up light in the UV part of the spectrum. They detect missile launches via the UV radiation emitted by the rocket motor, which is why they can only detect a missile if one of the sensors is looking in the right direction at the time of launch, as soon as the motor has burnt out the system can't detect the incoming missile. Now as all the system does is pick up on sources of UV radiation, any UV source could (in theory) cause the system to give a launch indication. Good software with a database containing the UV signatures of known sources can help reduce false indications, but nothing can ever stop them, there are just too many variables. Between IR and UV systems, a UV system is least prone to producing false indications, especially at low level. IR systems also require cooling (just like an IR AAM) and so have a larger footprint on the aircraft, require more maintenance and are more expensive. IR systems however are more effective at high altitude and can (again in theory, and only at high altitude) detect an incoming missile after it's motor has burnt out using the heat generated on the missile body from friction of the air. As you can imagine, at low level an IR system is very prone to false indications which is, along with their higher cost, the main reason why UV systems tend to be preferred. Radar systems, are least prone to false indications and can obviously detect a missile if its motor is burning or not, and even (in theory) determine if it's actually directed at your aircraft. But they are much more costly, larger, heavier and complicated than their UV and IR brethren." -DCS forums (Eddie) Now this MWS is displayed ON your IP-131/ALR-69 RWR screen, along side all of the radar threats that are displayed there as well. So both radar guided and IR guided missile threats get shows on the same screen. The primary use of the RWR is to show you radar emitters, detected missile launches, and laser illumination around your aircraft. OK, so how can you tell an IR missile from a radar guided missile? Well that one is pretty simple. For a radar guided missile there is a source. For example, if an AIM-120 is coming at you, a F-15 must have fired it. So you should see an F-15 being the source of that missile. Or if you are up against a SAM site, you will see the SAM locking you up and then eventually shooting at you. You will get the missile and you will be very much aware of the source of that shot. On the other hand, if you are just happily flying around, and get NO indication on the RWR that there is a radar source (An aircraft, or SAM) but only get a simple missile warning, then you can surely bet on your sweet little ass that you have just been fired at by an IR missile. There is no source on the RWR because nothing was actually locking you up with radar. Thus, you only see the M on the RWR indicating that the MWS picked up the launch and not your RWR sensors. (There are some very little deviations to this, but generally this holds true)