Summary
The extraction of useful information from radar echoes cannot be accomplished solely within the domain of ‘direct’ problems, that is to say, the solution of Maxwell’s equations with prescribed boundary conditions. In general, the interpretation of radar returns involves the solution of inverse problems, which are essentially illposed, even in the linear case, so special procedures are necessary in order to obtain meaningful solutions.
In this paper we illustrate the diversity of inverse problems which arise in HF radar by examining three examples: (i) the estimation of the ocean directional wave spectrum from the Doppler spectrum of scattered radar signals, (ii) the determination of an unknown S-matrix observed through a polarisation-transforming medium, and (iii) the determination of the temporal signatures of a class of wave-wave interactions in the ionosphere.
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© 2003 Springer-Verlag Berlin Heidelberg
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Anderson, S.J. (2003). Inverse Problems in HF Radar. In: Barton, N.G., Periaux, J. (eds) Coupling of Fluids, Structures and Waves in Aeronautics. Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM), vol 85. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-44873-0_11
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DOI: https://doi.org/10.1007/978-3-540-44873-0_11
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