Summary: A Two Stage Hybrid Space-Time Adaptive Processing Algorithm
Raviraj S. Adve*,Todd B. Hale, and Michael C. Wicks
Air Force Research Laboratory
Sensors Directorate/Radar Signal Processing Branch
Rome, NY, USA
Abstruct- This research presents two new Space-
Time Adaptive Processing (STAP) algorithms; a two-
dimensional non-statistical method and a hybridiza-
tion of this approach with statistically based methods.
The non-statistical algorithm developed here allows
filtering of uncorrelated interference, such as discrete
interferers, within the range cell of interest. However,
performance of these algorithms in homogeneous cor-
related interference scenarios is inherently inferior to
traditional statistical STAP algorithms.
The proposed hybrid algorithm alleviates this draw-
back by implementing a second stage of statistical
adaptive processing. This paper illustrates the ad-
vantages of using a two stage adaptive process to com-
bine the direct data domain and statistical algorithms.