Robust Adaptive Array Processing for Radar


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Adaptive array processing techniques represent a key element for enhancing the performance and capabilities of multi-channel radar systems that must operate in demanding and complex disturbance environments, which in general includes clutter, man-made interference and naturally-occurring noise. The first part of this lecture recalls some foundational adaptive processing principles and the main assumption and conditions under which seminal theoretical results have been derived. The second contrasts these main assumptions and conditions with those actually encountered by a wide range of practical radar systems that operate in real-world environments. In the presence of environmental uncertainties, instrumental imperfections, and operational constraints, which are ubiquitously faced by practical systems, the implementation of robust adaptive techniques becomes an essential ingredient for effective and efficient operation. The third part of this lecture discusses the design and application of robust adaptive array processing techniques in the dimensions of space, time and space-time. Experimental results are illustrated for OTH radar systems to lend concreteness by way of example. This lecture is expected to benefit students, researchers and practitioners with an interest in the effective and efficient application of advanced processing techniques to practical radar systems.