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In previous works, it has been shown that the estimation problem of a thrusting/ballistic object in the three-dimensional space can be solved with two-dimensional measurements (azimuth and elevation angles starting from the launch time) assuming the launch point is perfectly known. In this paper, the problem is extended to estimate the target's trajectory with measurements starting after the launch...
In the field of target tracking, it is often assumed that as long as a target is present and detectable, it should be “trackable.” Any failure to track a target that is generating detectable measurements is assumed to be due to a sub-optimal tracking algorithm or perhaps an algorithm that is not properly “tuned.” There seems to exist the idea that “if this knob is turned slightly, or this parameter...
The problem of estimating the state of thrusting/ballistic endo-atmospheric projectiles moving in three-dimensional space for the purpose of impact point prediction (IPP) using two-dimensional measurements from a single passive sensor (stationary or moving with constant velocity) is investigated. The location of a projectile???s launch point (LP) is generally unavailable, and this could significantly...
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