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Superresolution algorithms

Superresolution algorithms

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The word superresolution is now widely used in place of the term wavefront analysis and the phrase 'the resolution of multicomponent wave fields'. It is used to describe techniques of signal processing that can be applied in many different fields such as radar, sonar, radio astronomy, seismology and spectral analysis, as well as radio direction finding. Some hundreds of papers on superresolution algorithms designed to determine the angular spectrum of the arriving rays have appeared in the literature over the last ten years, many based on concepts described in earlier chapters. In this chapter we describe the main categories of algorithms and their performance against simulated problems. Further developments and refinements of the processing techniques are discussed in Chapter 13. The aim in both chapters is to describe and interpret the important results rather than to reproduce mathematical detail from the research papers.

Inspec keywords: signal processing

Other keywords: signal processing; radar; radio astronomy; spectral analysis; radio direction finding; seismology; angular spectrum; sonar; superresolution algorithms

Subjects: Signal processing and detection

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