Abstract:

Based on the net-worked radar observation model,we analyze the relationship between the ISAR images obtained simultaneously by different radars.We also propose a rotation velocity estimation algorithm based on image rotation and matching,and realize the target palstance estimation by one-dimensional search of rotation velocity.Simulation results show that the proposed algorithm can estimate the rotation velocity robustly based on the multi-radar images and the cross-range scaling can be achieved.The proposed algorithm can deal with the radar echoes for slowly moving targets and translation compensated targets,and fits for wide-band net worked radars of different center frequency and different bandwidth.Key words:

Key words: net-worked radar;ISAR image;cross-range scaling