Radio direction finding superresolution von gething (4 Ergebnisse)
Sprache: Englisch
Verlag: London: Peregrinus, 1991
- Hardcover
Anbieter: Plurabelle Books Ltd, Cambridge, Vereinigtes KönigreichPlurabelle Books Ltd
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Zustand: Gebraucht - Gut
EUR 115,31
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Hardcover. Zustand: Very Good. Series: IEE Electromagnetic Waves Series 365p hardback, green dustjacket, excellent condition, gift inscription signed by author, second edition Language: English.
Sprache: Englisch
Verlag: INSTITUTION OF ENGINEERING & T, 1991
- Hardcover
Anbieter: moluna, Greven, Deutschlandmoluna
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EUR 143,71
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Gebunden. Zustand: New. Inhaltsverzeichnisrnrnn Chapter 1: Introductionn Chapter 2: Ionospheric modesn Chapter 3: Wave-field modelsn Chapter 4: Zero-aperture bearings in two-ray wave-fieldsn Chapter 5: Directive array pattern.
Sprache: Englisch
Verlag: Peter Peregrinus Ltd, 1991
- Hardcover
Anbieter: Revaluation Books, Exeter, Vereinigtes KönigreichRevaluation Books
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EUR 190,41
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Hardcover. Zustand: Brand New. 2nd sub edition. 386 pages. 9.50x6.50x1.00 inches. In Stock.
Sprache: Englisch
Verlag: Institution Of Engineering & Technology Jun 1991, 1991
- Hardcover
Anbieter: AHA-BUCH GmbH, Einbeck, DeutschlandAHA-BUCH GmbH
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EUR 197,00
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Buch. Zustand: Neu. Neuware - This is an enlarged and revised second edition of a book first published in 1978 and reprinted twice since then. The new edition includes updates to all the original chapters, plus two new chapters on developments in superresolution techniques and their application to direction-finding arrays. Moder…n direction finders, capable of measuring elevation angles as well as azimuth angles on the components of multi-ray wavefields, have become powerful tools for research in ionospheric physics and HF radio propagation. The complexity of the problem of resolving closely-spaced rays requires the combined use of wide aperture antenna arrays, multichannel receiving systems and sophisticated digital processing techniques. Published research papers over the last 12 years provide a rich source of information on the development of superresolution algorithms for use in radar, sonar, geophysics and spectral analysis, as well as radio direction finding. Dr Gething reviews the important methods and results, showing how some of the new techniques are related to the wavefront analysis methods described in the first edition. The text is illustrated with computer plots of model wavefields and contain important results on the loci of constant phase and amplitude, and on the statistical properties of bearing-error distributions for specified models. The collection and interpretation of ionospheric data for the purpose of mode identification, and the statistical theory of DF plotting algorithms, are also discussed. Wavefront analysis and superresolution may be regarded as extensions to classical array theory. The basic principles are widely applicable and should therefore be of interest to research workers in radar, sonar, radioastronomy and adaptive array theory, as well as HF radio direction finding.
