Abstract
Motion compensation, referred to as micronavigation, is an unavoidable issue to obtain a high quality image for multiple receiver synthetic aperture sonar (SAS). A feasible micronavigation method based on the inertial navigation system (INS) data is presented in this paper. The INS data is obtained from some high-precision inertial navigation equipment, thus the accuracy of motion errors can be guaranteed. Using the back projection algorithm, some imaging results of experiment data are shown in the end of paper. Meanwhile, some imaging results focused by the conventional chirp scaling algorithm are also given, and the compared results show the effectiveness of the presented method.
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