Analysis of Phase Error Effects on Stripmap SAS

Daniel A. Cook, Daniel C. Brown

Research output: Contribution to journalArticlepeer-review

50 Scopus citations


It is often of interest to consider how uncompensated platform motion can degrade the ideal point scatterer response (PSR) of a synthetic aperture sonar (SAS). This information can be used to shape the design of the sonar itself as well as that of the platform carrying it. Also, knowledge of how certain types of motion affect a SAS image can reduce the time spent in troubleshooting motion estimation and compensation schemes. In the field of spotlight-mode synthetic aperture radar (SAR), the effects of phase errors across the synthetic aperture are well documented (for example, Chapter 5 of Carrara et al., 1995). The counterpart problem for the stripmap mode is less well developed in the literature. This paper explores the effects of uncompensated phase errors on stripmap imagery and shows that, under certain conditions, they are similar to those for spotlight mode processing.

Original languageEnglish (US)
Pages (from-to)250-261
Number of pages12
JournalIEEE Journal of Oceanic Engineering
Issue number3
StatePublished - Jul 2009

All Science Journal Classification (ASJC) codes

  • Ocean Engineering
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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