Design of passive location radar system estimating position of a flight vehicle making approach and landing
A. V.
Dubrovin 1, T. Ya. Shevgunov 2, V. V. Nikishov 1
1 ZAO “RADIY TN”
2 Moscow Aviation Institute (National Research University)
The paper is received on February 4, 2015
Abstract.
This paper introduces an airport landing system based on passive radar
positioning principles. The proposed system consists of a set of on-ground
station receiving the signal sending by on-board transmitter. The central
station of this distributed ground passive radar performs one-stage maximum
likelihood estimation procedures for combined AOA/TDOA estimation which
implements the essence of the system. The potentially achieved accuracy of the
deployed prototype system was evaluated by means of simulation for the case of
three receiving station equipped with three-dimensional phased array antenna
consisting of four concentric antenna rings with 32 elements total. The system
is on its developing stage and the modular design applied to assembling the
receiving station of the system is also under investigation.
Keywords: position estimation, passive radar, AOA, TDOA, circular antenna
arrays, one-step maximum likelihood estimation.