  This paper proposes a method for the three-dimensional localization of an
active aerial target by a single ground based sensor. The proposed method
employs the time and frequency differences of arrival of the signal received
directly from the aerial target and the signals received after being reflected
from some large auxiliary terrestrial targets (pseudo-sensors) with known
positions on the ground. Due to the terrestrial nature of the main and the
pseudo sensors, it is impossible to solve for the target's altitude using
traditional methods. The proposed method employs target motion analysis to
obtain target position including its altitude with acceptable accuracy and low
computational complexity. Presented simulations confirm acceptable accuracy of
the proposed method in determining three dimensional position of the target
despite limited number of the pseudo sensors and its low computational
complexity.

Signal Processing