Missile identification and tracking system and method

Details Missile identification and tracking system and method Missile identification and tracking system and method

2006-04-11

2006-04-11

Sotomayor, John B. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Return signal controls radar system

Receiver

C342S095000, C342S096000, C342S097000, C342S101000, C342S195000

Reexamination Certificate

active

07026980

ABSTRACT:
Sensors determine the kinematic measurements of a boosting missile, and the information is applied to a plurality of pairs or sets of filters, one of which is matched to the characteristics of a particular target type, and the other of which is general, and not matched to a particular target, for producing from each filter of the set missile position, velocity, acceleration, and specific mass flow rate states, and covariances of those states. From the filtered information, the estimates are made of at least missile mass flow rate, thrust, velocity at stage burnout, and remaining burn time. The likelihood is computed that the states and covariances from the filter sets represent the same target. The largest likelihood is selected as representing the target. In one mode, the estimated parameters are weighted and summed for a composite likelihood.

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