Abstract
In this article,the received signal models are constructed for multi-receiver synthetic aperture sonar (SAS) using CW pulses and LFM pulses when considering the change of acoustic velocity in seawater and the Doppler effect. With a more complete description of the physical processes than the traditional models and the mathematical representation of signals, the proposed model can provide data sets for the research and thedevelopment of SAS imaging algorithms to save time and cost in actual data collection. The simulation results illustrate the characteristics of the signals generated from the proposed model with real data of acoustic velocity in Vietnam’s sea.
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