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Dr. J. R. Huynen's main contributions in the development of polarimetric radar techniques and how the 'Radar Targets Phenomenological Concept' becomes a theory

Among the engineering scientists who have most decisively contributed toward forefront advances for the 'Development of POLARIMETRIC Radar Theory, Techniques and Target Phenomenology', Dr. Jean Richard HUYNEN stands out as one of the towering giants. This paper is dedicated to him, and it is a great honor for the author to present here a summary on some of the main Dr. J.R. HUYNEN's contributions in the development of Polarimetric Radar Techniques, including the 'Mueller Matrix Decomposition' approaches which this Senior Radar Polarimetrist considers as his 'life's main contribution'.