MIMO Radar Waveform Design for Multi-target ISAR Imaging

Abstract

Existing MIMO radar waveform design is mostly studied for narrowband signal according to the need of radar tasks like tracking and detection, and the need of imaging task is not considered. A kind of method about MIMO radar waveform design for multi-target ISAR imaging is proposed in the paper. The prior information like target location, RCS, velocity as well as bandwidth limitation of imaging task is considered in waveform optimization as important constraints, there are a waveform optimization model for multi-target imaging is established and is solved by least squares estimation and the nearest neighbor algorithm. The designed waveform can achieve the imaging of the targets in different directions at the same time.