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STAP Applied to
Electro-Optical Sensors

Anthony E. Filip and Stephen C. Pohlig
MIT Lincoln Laboratory
244 Wood Street
Lexington, MA 02173-9108
tel: (617) 981-7975
email: filip@ll.mit.edu
email: pohlig@ll.mit.edu

Abstract In a general sense, the problem of detecting targets with an electro-optical (EO) sensor shares many elements with that of radar target detection. For example, targets are obscured by receiver noise and clutter in both radar and EO systems. Clutter statistics are generally non-Gaussian and non-stationary in both cases. Adaptive clutter mitigation for an array radar yields the STAP approach which has at its core the exploitation of a 3-D data cube consisting of element/pulse/range-cell samples. Its counterpart in the EO world uses large format 2-D focal plane arrays to create a 3-D data cube consisting of x/y/frame-number samples. It should not be surprising, therefore, that the EO community has evolved a signal processing approach which shares many features with STAP for radar. This presentation explores those techniques as applied to a variety of electro-optical sensor systems and attempts to stimulate synergism between the two sensor domains.



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