. Airborne radar. Airplanes; Guided missiles. 2-9] SYSTEM EFFECTIVENESS MODELS 65 ^t3 Po= p„-0 6 ^ Y- .Ofiej^tionaL '°'1 \, 1 0= / y / 0 20 40 60 80 100 120 NUMBER OF INTERCEPTORS ENGAGING TARGETS AEW^ 250 08 M TARGET SPEED, M 80 £g 60 li 40 p20 0 200 250 AEW RANGE () 300 AEW 1 = 250 A 2 4 6 8 10 12 INTERCEPTOR SPEED, M Fig. 2-13 Sensitivity of System Effectiveness to Number of Interceptors, AEW Range, and Interceptor Kill Probability Po- model becomes the limiting factor. This limitation might indicate that a trade-off of parameter values elsewhere in t
. Airborne radar. Airplanes; Guided missiles. 2-9] SYSTEM EFFECTIVENESS MODELS 65 ^t3 Po= p„-0 6 ^ Y- .Ofiej^tionaL '°'1 \, 1 0= / y / 0 20 40 60 80 100 120 NUMBER OF INTERCEPTORS ENGAGING TARGETS AEW^ 250 08 M TARGET SPEED, M 80 £g 60 li 40 p20 0 200 250 AEW RANGE () 300 AEW 1 = 250 A 2 4 6 8 10 12 INTERCEPTOR SPEED, M Fig. 2-13 Sensitivity of System Effectiveness to Number of Interceptors, AEW Range, and Interceptor Kill Probability Po- model becomes the limiting factor. This limitation might indicate that a trade-off of parameter values elsewhere in the problem should be examined to exploit the potential advantage which might accrue from a range increase.^ Conversely, a decrease in early warning range would require that interceptor kill probability be increased to — a value that is almost equal to the kill probability of the missile salvo alone — in order to maintain the system effectiveness required. Increases in target velocity have much the same effect as decreases in early warning range. If the target velocity were to increase by 10 per cent, only 34 interceptions could be made. Thus, to maintain the same defense level under these conditions, interceptor kill probability would have to be raised to or early warning range would have to be increased by about 30 Increases in interceptor velocity have the same general effect as increases in early warning range; , aircraft availability limits the useful- ness of such increases. System sensitivity to this change is relatively small, however, for extremely high interceptor speeds. The time delays defined for the model made no allowance for any time delay introduced by the vectoring process. The assumption is that the vectoring system guides each interceptor on a straight-line path to the ^For example, we might explore the possibility of using the other CAP aircraft which were assumed to maintain their Please note that these images
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