Analytical solution for target location using bistatic multi-transmitter and multi-receiver techniques

The 3D bistatic radar solution determines the coordinates of a target from bistatic radar measurements, where the transmitter and receiver are at different positions. This involves the solution of non-linear equations. The conventional approach is linearising these equations. In this paper, we propose a direct solution of the non-linear equations. This allows the evaluation of the multiple solutions, study of singularities and the design of geometric configurations which lead to unique solutions. The solution is demonstrated for satellite based transmitters which are used as sources of opportunity.