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Record Nr. |
UNINA9910807664603321 |
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Autore |
Rogers John W. M. |
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Titolo |
Radio Frequency System Architecture and Design |
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Pubbl/distr/stampa |
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Norwood : , : Artech House, , 2013 |
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[Piscataqay, New Jersey] : , : IEEE Xplore, , [2013] |
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ISBN |
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Descrizione fisica |
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1 online resource (315 p.) |
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Collana |
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Artech House microwave library |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Radio - Receivers and reception - Design and construction |
Wireless communication systems - Design and construction |
Radio - Mathematics |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Radio Frequency System Architecture and Design; Contents; Preface; Chapter 1 Introduction to RF Systems Design; 1.1 Introduction; 1.2 What is a Radio and Why Do We Need One?; 1.3 The Radio Spectrum; 1.4 A Communication Device; 1.5 Baseband Signal Processing Versus RFIC Design; 1.6 Overview; References; Chapter 2 An Introduction to Communication Systems; 2.1 A Simple Digital Communication System; 2.2 Basic Modulation Schemes; 2.2.1 Amplitude Shift Keying (ASK); 2.2.2 Phase Shift Keying (PSK); 2.2.3 Frequency Shift Keying (FSK); 2.2.4 Quadrature Amplitude Modulation (QAM); 2.3 Signal Models. |
2.3.1 Complex Lowpass Equivalent Signal Representation2.3.2 Signal Space Diagrams; 2.4 System Model; 2.4.1 Symbol Map; 2.4.2 Pulse-Shaping Filter; 2.4.3 Modulator; 2.4.4 Additive White Gaussian Noise (AWGN) Channel Model; 2.4.5 Demodulator; 2.4.6 Receive Filter; 2.4.7 Signal Sampling; 2.4.8 Decision Device; 2.5 Probability of Error Analy. |
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Sommario/riassunto |
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Communication devices such as smart phones, GPS systems, and Bluetooth, are now part of our daily lives more than ever before. As our communication equipment becomes more sophisticated, so do the radios and other hardware required to enable that technology. Common radio architectures are required to make this technology work seamlessly. This resource describes practical aspects of radio frequency |
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communications systems design, bridging the gap between system-level design considerations and circuit-level design specifications. Industry experts not only provide detailed calculations and theory to determine block level specifications, but also discuss basic theory and operational concepts. This resource also includes extensive, up-to-date application examples. |
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2. |
Record Nr. |
UNINA9910821279103321 |
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Autore |
Moudopoulos-Athanasiou Faidon |
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Titolo |
The Early Modern Zagori of Northwest Greece : An Interdisciplinary Archaeological Inquiry into a Montane Cultural Landscape |
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Pubbl/distr/stampa |
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Leiden : , : Sidestone Press, , 2022 |
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©2022 |
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ISBN |
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9789464280388 |
9789464280364 |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (207 pages) |
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Disciplina |
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Soggetti |
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Landscape archaeology - Greece - Zagori |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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Landscape-archaeology projects have had a significant impact on our understanding of the deep history of the Greek countryside, but have overwhelmingly been limited to the plains and have rarely placed the Ottoman period at their core. This investigation of Zagori in Northwest Greece explores the archaeology and cultural history of a mountainous area that famously thrived in the Ottoman period. This engagement with an upland region in the early modern period sheds light on previously neglected aspects of Greek landscape history. The inclusive methodology combines critical historiography, archival research, oral history and landscape-archaeological survey to achieve novel insights into this montane landscape and its distinctive history and cultural heritage.Contrary to the dominant nationalist historiography, it |
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demonstrates the continuity of regional elites from the Byzantine to Ottoman period in Epirus and reveals how this shaped settlement patterns and elite/non-elite sedentary adaptations in this montane region. It also gives voice from within to the labour-intensive, engendered, cultural landscape of the Zagori peasantry and challenges the view of external scholarly observers that mountains support a predominantly pastoral way of life. |
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