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[null,"1.","Record Nr.",null,"UNINA9910830704703321"]
[null,null,"Autore",null,"Barue Gerard <1945->"]
[null,null,"Titolo",null,"Microwave engineering : land & space radiocommunications / / by Gérard Barué"]
[null,null,"Pubbl/distr/stampa",null,"Hoboken, New Jersey : , : J. Wiley & Sons, , c2008"]
[{"$nulls":4},"[Piscataqay, New Jersey] : , : IEEE Xplore, , [2007]"]
[null,null,"ISBN",null,"1-281-73280-X"]
[{"$nulls":4},"9786611732806"]
[{"$nulls":4},"0-470-29099-4"]
[{"$nulls":4},"0-470-29098-6"]
[null,null,"Edizione",null,"[1st edition]"]
[null,null,"Descrizione fisica",null,"1 online resource (457 p.)"]
[null,null,"Collana",null,"Wiley survival guides in engineering and science ; ; 9"]
[null,null,"Disciplina",null,"621.381/3"]
[{"$nulls":4},"621.3813"]
[{"$nulls":4},"621.384"]
[null,null,"Soggetti",null,"Microwave communication systems"]
[{"$nulls":4},"Microwaves"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (p. 425-426) and index."]
[null,null,"Nota di contenuto",null,"Foreword. -- Preface. -- Acknowledgments. -- 1. Electromagnetic Wave Propagation. -- 1.1. Properties of Plane Electromagnetic Wave. -- 1.2. Radiant Continuous Aperture. -- 1.3. General Characteristics of Antennas. -- 1.4. Free-Space Loss and Electromagnetic Field Strength. -- 1.5. Reflector and Passive Repeater. -- 1.6. Model of Propagation. -- 1.7. Reflection and Refraction. -- 1.8. Influence of Atmosphere. -- 1.9. Propagation by Diffraction. -- 1.10. Attenuation by Atmospheric Gases. -- 1.11. Attenuation and Depolarization by Hydrometeors. -- 1.12. Influence of Ionosphere. -- 1.13. Thermal Radiation. -- 1.14. Probability Distributions. -- 2. Principles of Digital Communication Systems. -- 2.1. Signal Processing. -- 2.2. Thermal Noise. -- 2.3. Digital Communication Systems Design. -- 3. Microwave Line-of-Sight Systems. -- 3.1. Engineering of Line-of-Sight Systems. -- 3.2. Design of Line-of-Sight Microwave Radio Link: Interferometric Method. -- 3.3. Link Budget. -- 3.4. Methods of Prediction. -- 3.5. Protection against Jamming. -- 3.6. Frequency Reuse Techniques. -- 3.7. Comparison between Various Diversity Techniques. -- 3.8. Availability of Microwave Line-of-Sight Systems. -- 4. Microwave Transhorizon Systems. -- 4.1. Engineering of Transhorizon Systems. -- 4.2. Method of Prediction. -- "]
[{"$nulls":4},"4.3. Link Budget. -- 4.4. Examples of Transhorizon Links. -- 4.5. Other Models of Prediction. -- 4.6. Total Availability of Troposcatter Links. -- 5. Satellite Communications. -- 5.1. Space Geometry of Satellite Systems. -- 5.2. Configuration of Satellite Communication System. -- 5.3. Link Budget. -- 5.4. Method of Prediction. -- References. -- Index."]
[null,null,null,"Sommario/riassunto","Everything readers need to implement and support a wireless point-to-point communications environment In order to cope with the tremendous explosion of the telecommunications market, the field of wireless communications has greatly expanded in the past fifty years, especially in the domains of microwave radio systems including line-of-sight, satellites, and tropospheric-scatter. Now, Microwave Engineering: Land & Space Radio- communications answers the growing worldwide demand for an authoritative book on this important and emerging subject area. In five succinct chapters, the book introduces students and practicing engineers to the main propagation phenomena that are encountered and that must be considered in the design and planning for any given system type and frequency of operation: . Electromagnetic wave propagation-An introduction to the fundamentaltheory of radiation and propagation of electromagnetic waves, polarization, antenna properties, free space attenuation, atmospheric refractivity, diffraction, reflection, multipath and scattering mechanisms, hydrometeor effects, and probability distributions . Principles of digital communication systems-Modulation techniques, signal processing, error probability, spectral characteristics, spectrum efficiency, thermal noise, intermodulation, jamming, and interference . Microwave line-of-sight systems-Path profile, flat fading and frequency-selective fading, interferometric method for space and frequency diversity techniques, International Standards and ITU Recommendations, optimization of the frequency-plan resource, link budget, quality, reliability, and availability . Microwave transhorizon systems-Design of beyond-the-horizon communication systems, properties of scattering and diffraction modes, multipath statistical relations, long-term and short-term field strength variations, quality of service, optimization of antenna alignment, and experimental analysis of various diversity and combining methods . Satellite communications-Design of satellite communications systems, orbital parameters, Earth-satellite geometry, uplink and downlink budgets for both space and Earth segments, and total system noise temperature Microwave Engineering: Land & Space Radiocommunications is suitable for engineers involved in wireless telecommunications, as well as for students and members of various seminars and workshops."]
[null,"2.","Record Nr.",null,"UNINA9910956640103321"]
[null,null,"Autore",null,"Ferrari Fabrizio M."]
[null,null,"Titolo",null,"Religion, devotion and medicine in north India : the healing power of Śītalā / / Fabrizio M. Ferrari"]
[null,null,"Pubbl/distr/stampa",null,"New York : , : Bloomsbury Academic, , 2015"]
[null,null,"ISBN",null,"9781472598721"]
[{"$nulls":4},"1472598725"]
[{"$nulls":4},"9781441163806"]
[{"$nulls":4},"1441163808"]
[{"$nulls":4},"9781472594563"]
[{"$nulls":4},"1472594568"]
[{"$nulls":4},"9781472598714"]
[{"$nulls":4},"1472598717"]
[null,null,"Descrizione fisica",null,"1 online resource (247 p.)"]
[null,null,"Classificazione",null,"REL000000REL032020"]
[null,null,"Disciplina",null,"294.5/2114"]
[null,null,"Soggetti",null,"Hinduism - India, North - Rituals"]
[{"$nulls":4},"Śītalā (Hindu deity) - Cult - India, North"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references and index."]
[null,null,"Nota di contenuto",null,"Acknowledgements -- Note on transliteration -- Abbreviations -- Months in North India -- Introduction -- Chapter 1. Śītalā, the Cold Mother -- Chapter 2. Visions of the goddess : The iconography of Śītalā -- Chapter 3. Hosting Mā, feeding Mā. Controversies around Śītalāpūjā -- Chapter 4. The Smallpox Myth and the Creation of the Goddess of Smallpox -- Chapter 5. The Legacy of Śītalā -- Concluding Reflections -- Appendix A. Śrīśītalāsaptamīvratakathā (ŚVK 9-14)pp. 175-178 -- Appendix B. Śrīśītalāsaptamīvrata of Skandapurāṇa (VR 310-311) -- Appendix C. Śītalāsaptamīvratakathā of Bhaviṣyapurāṇa (VR 310-313) -- Appendix D. Śītalāpūjāpaddhati of Picchilātantra -- Bibliography -- Index."]
[null,null,null,"Sommario/riassunto","\"This volume examines notions of health and illness in North Indian devotional culture, with particular attention paid to the worship of the goddess Sitala, the Cold Lady. Consistently portrayed in colonial and postcolonial literature as the ambiguous 'smallpox goddess', Sitala is here discussed as a protector of children and women, a portrayal that emerges from textual sources as well as material culture. The "]
[{"$nulls":4},"eradication of smallpox did not pose a threat to Sitala and her worship. She continues to be an extremely popular goddess. Religion, Devotion and Medicine in North India critically examines the rise and affirmation of the 'smallpox myth' in India and beyond, and explains how Indian narratives, ritual texts and devotional songs have celebrated Sitala as a loving mother who protects her children from the effects, and the fear, of poxes, fevers and infantile disorders but also all sorts of new threats (such as global pandemics, addictions and environmental catastrophes). The book explores a wide range of ritual and devotional practices, including scheduled festivals, songs, vows, pageants, austerities, possession, animal sacrifices and various forms of offering. Built on extensive fieldwork and a close textual analysis of sources in Sanskrit and vernacular languages (Hindi, Bhojpuri and Bengali) as well as on a rich bibliography on the struggle against smallpox in colonial and post-colonial India, the book reflects on the ambiguous nature of Sitala as a phenomenon largely dependent on the enduring fascination with the exotic, and the horrific, that has pervaded public renditions of Indian culture in indigenous fiction, colonial reports, medical literature and now global culture. To aid study, the volume includes images, web links, appendixes and a filmography.\"--Bloomsbury Publishing."]