phantom target

phantom target

[′fan·təm ′tär·gət]
(electronics)
References in periodicals archive ?
But mirage and turbulence also move the target optically, creating a phantom target or optical illusion.
Thus, when the shooter pushed his rifle forward for the second, third, and fourth shots, he was aiming at a phantom target.
The phantom target is now being displaced upward optically from its true position.