Detection of Targets in Sea Clutter Using Adaptively Truncated Interleaved Spectral-Temporal Interferometry

A new method is introduced to detect targets in the presence of sea clutter. Most previous analysis methods have worked almost exclusively in the spectral domain, but the new method uses a combination of band-pass spectral filtering, autocorrelative algorithms and time-series analysis for target detection. The procedure is well adapted to deal with scenarios involving accelerating targets and de-accelerating targets, and outperforms traditional methods in this area. impulsive RF noise can also be effectively ignored. The method is at least the equal of traditional methods for uniformly moving craft. The method also has some advantages in detection of slowly moving targets in the presence of low frequency sea-clutter. The procedure is called Adaptively Truncated Interleaved Spectral-Temporal Interferometry (ATISTI).