Published by New Age International (P) Ltd., 2015
ISBN 10: 8122433596 ISBN 13: 9788122433593
Language: English
Seller: Biblios, Frankfurt am main, HESSE, Germany
£ 10.54
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Published by Rupa Publications India Pvt. Ltd, IN, 2023
ISBN 10: 935702770X ISBN 13: 9789357027700
Language: English
Seller: Rarewaves.com UK, London, United Kingdom
£ 33.25
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Published by Editions Notre Savoir, 2024
ISBN 10: 6208139554 ISBN 13: 9786208139551
Language: French
Seller: Ria Christie Collections, Uxbridge, United Kingdom
£ 36.40
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Seller: Ria Christie Collections, Uxbridge, United Kingdom
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Published by LAP LAMBERT Academic Publishing, 2022
ISBN 10: 6203581852 ISBN 13: 9786203581850
Language: English
Seller: Books Puddle, New York, NY, U.S.A.
£ 45.42
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Published by LAP LAMBERT Academic Publishing, 2022
ISBN 10: 6205493500 ISBN 13: 9786205493502
Language: English
Seller: Books Puddle, New York, NY, U.S.A.
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Seller: Ria Christie Collections, Uxbridge, United Kingdom
£ 50.82
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Published by Editions Notre Savoir, 2023
ISBN 10: 620601858X ISBN 13: 9786206018582
Language: French
Seller: moluna, Greven, Germany
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Seller: Ria Christie Collections, Uxbridge, United Kingdom
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Published by Edições Nosso Conhecimento, 2024
ISBN 10: 6208139570 ISBN 13: 9786208139575
Language: Portuguese
Seller: Ria Christie Collections, Uxbridge, United Kingdom
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Published by LAP LAMBERT Academic Publishing, 2018
ISBN 10: 613573539X ISBN 13: 9786135735390
Language: English
Seller: Revaluation Books, Exeter, United Kingdom
Paperback. Condition: Brand New. 88 pages. 8.66x5.91x0.20 inches. In Stock.
Seller: Biblios, Frankfurt am main, HESSE, Germany
£ 82.67
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Published by Sciencia Scripts Mai 2023, 2023
ISBN 10: 620601861X ISBN 13: 9786206018612
Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Germany
£ 17.65
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Add to basketTaschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Sistemy shirokopolosnogo besprowodnogo dostupa, ispol'zuemye w zhilyh i kommercheskih pomescheniqh, stalkiwaütsq s neblagopriqtnoj sredoj rasprostraneniq radiowoln s mnogoluchewoj zaderzhkoj, rasprostranqüschejsq na desqtki i sotni bitowyh interwalow. OFDM qwlqetsq mnogokanal'nym resheniem problemy, woznikaüschej iz-za mnogoluchewyh äffektow. Kak izwestno, naibolee wazhnoj harakteristikoj OFDM qwlqetsq sinhronizaciq chastoty i wremeni, poskol'ku imenno oni obespechiwaüt ortogonal'nost' mezhdu podnesuschimi. V sisteme swqzi OFDM suschestwuet oshibka sinhronizacii mezhdu chastotami lokal'nogo generatora peredatchika i priemnika, izwestnaq kak smeschenie nesuschej chastoty, wyzywaüschee ICI i razrushaüschee ortogonal'nost' mezhdu podnesuschimi. V ätoj knige my izuchaem, kak CFO mozhet wliqt' na SNR w sisteme OFDM, w osnownom w sisteme C-OFDM, i rasschitywaem welichinu smescheniq chastoty, a takzhe prowodim issledowanie w mnogoputewoj srede. 60 pp. Russisch.
Published by Verlag Unser Wissen Mai 2023, 2023
ISBN 10: 6206018563 ISBN 13: 9786206018568
Language: German
Seller: buchversandmimpf2000, Emtmannsberg, BAYE, Germany
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Add to basketTaschenbuch. Condition: Neu. Neuware -Drahtlose Breitband-Zugangssysteme, die in Wohn- und Geschäftsumgebungen eingesetzt werden, sind mit ungünstigen Funkausbreitungsbedingungen konfrontiert, bei denen sich die Mehrwegeverzögerung über Dutzende oder Hunderte von Bitintervallen erstreckt. OFDM ist eine Mehrträgerlösung für das durch Mehrwegeffekte verursachte Problem. Wie wir wissen, ist das wichtigste Merkmal von OFDM die Frequenz- und Zeitsynchronisation, da sie der Grund für die Orthogonalität zwischen den Unterträgern sind. In OFDM-Kommunikationssystemen gibt es Synchronisationsfehler zwischen den Frequenzen des lokalen Oszillators des Senders und des Empfängers, die als Trägerfrequenz-Offset bekannt sind und ICI verursachen und die Orthogonalität zwischen den Unterträgern zerstören. In diesem Buch untersuchen wir, wie sich der CFO auf das SNR in einem OFDM-System auswirken kann, vor allem in einem C-OFDM-System, und wir berechnen die Höhe des Frequenzversatzes und untersuchen ihn auch in einer Mehrwegeumgebung.Books on Demand GmbH, Überseering 33, 22297 Hamburg 60 pp. Deutsch.
Published by Zoological Survey of India, 2021
ISBN 10: 8181715675 ISBN 13: 9788181715678
Language: English
Seller: Vedams eBooks (P) Ltd, New Delhi, India
£ 149.98
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Add to basketHardcover. Condition: New. Contents: 1. Preface. 2. Abbreviations. 3. Wetland: an overview. 4. Introduction to Indian Ramsar Wetlands. 5. Faunal Groups. 6. Threatened Fauna (Vertebrates). 7. References. From the preface: Wetlands are ecologically as well as economically important systems which harbour rich natural resources and play a crucial role in various hydrological cycle. carbon sequestration, and global greenhouse gas emission. As defined by Ramsar convention 1971, Wetlands are area of marsh, fen, peat-land or water. whether natural or artificial, permanent or temporary, with water that is static or flowing, fresh, brackish or salt, including areas of marine water, the depth of which at low tide does not exceed six meter The wetlands act as buffers for terrestrial run-off and thus prevent eutrophication of inlands and coastal waters. Further, it not only acts as a reservoir of biodiversity but also triggers the mass movement of living creature, e., refuge for migratory birds. The system often creates an oxic- anoxic condition which facilitates simultaneous activity of both aerobic and anaerobic life forms, e.g., microbes, larvae of insects, and fishes. However, due to anthropogenic activity and climate change the wetlands are under high pressure not only in India but globally and our understanding of the various life forms it harbours, remains far from complete. Even the wetlands in biodiversity hotspots of India are under stress and thus strive to conserve itself and the associated diversity. The Convention on Wetlands is an intergovernmental treaty that provides the framework for national action and international cooperation for the conservation and wise use of wetlands and their resources. As of now there are 171 Contracting Parties on the convention on wetlands. The total number of wetlands of international importance around the world is 2,414 covering and area of 254,543,972 ha. Since India became a contracting party to the Ramsar convention in 1981 a total of 42 Ramsar sites spread over an area of 11,528.574 sq. km ha have been identified thus far.
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Published by Ediciones Nuestro Conocimiento, 2023
ISBN 10: 6206018571 ISBN 13: 9786206018575
Language: Spanish
Seller: moluna, Greven, Germany
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Published by Edições Nosso Conhecimento, 2023
ISBN 10: 6206018601 ISBN 13: 9786206018605
Language: Portuguese
Seller: moluna, Greven, Germany
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