Guangli Cheng

Aug 20, 2023 | mdpi.com | Jiafeng Zhang |Guangli Cheng |Jinsong Tang |Haoran Wu

This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessArticleby, , *, and Institute of Electronic Engineering, Naval University of Engineering, Wuhan 430000, China*Author to whom correspondence should be addressed. J. Mar. Sci. Eng.

Jul 27, 2023 | mdpi.com | Jiafeng Zhang |Jinsong Tang |Zhimin Xie |Guangli Cheng

Abstract:In existing imaging algorithms for wide-beam multiple-receiver synthetic aperture sonar (SAS) systems, the double-square-root (DSR) range history of each receiver is generally converted into the sum of a single-square-root (SSR) range history and an error term using displaced phase center aperture (DPCA) approximation. Therefore, before imaging, each receiver’s error term needs to be individually compensated in the azimuth frequency domain, which is computationally expensive.