TDOA location algorithm with four space stations and performance analysis
Jie Yang · 2012
For the problem of TDOA location with four stations,a direct location solution algorithm is proposed.It first expresses the target coordinates as the radical range equations relative to the reference station,and then solves the equations to get the radical range.So the estimation of the target coordinates is obtained.Therefore,for the spatial TDOA location algorithm,the problem of target position solving is solved well.The existence of solution in the solving method is discussed in detail.By the computer simulations,the effect of the geometrical distribution of observation stations to the ambiguity area in the solving method is analyzed.Finally,the precision of the TDOA location algorithm is analyzed.