Abstract:The passive location is a key in many applications. It is a difficult question to estimate trajectories of multiple moving sources with single moving station. This paper deals with the estimation of motion parameters of multiple sources in the passive array processing. It uses basically state-space model of the spatial-temporal data. The interpolation signal procedures play a fundamental role and link the spatial and temporal analysis. Using uniformity linear array and MDL and ESPRIT algorithms, the numbers, center frequencies of sources, spatial frequency and spatial frequency change speed can be estimated together. Further the trajectories (i.e., position and velocity) of every source can be estimated.