A practical guide to next-generation wireless terrestrial optical communication through the atmospheric channel Terrestrial Wireless Optical Communication provides in-depth details on free space optics (FSO), from basic concepts to design implementation. The book explains channel characteristics in the near-IR and IR range of the spectrum, atmospheric channel models, modulation and detection techniques, optimal performance, capacity enhancement methods, and forward-error coding schemes. Link and system design issues, reliability, and safety standards are also discussed. The information in this essential guide enables you to deliver cost-effective and transparent wireless network interoperability and expandability. Coverage includes: Introduction--optical wireless communication systems Wireless optical channels Channel modeling Modulation techniques Diversity and detection techniques in optical fading channels Channel capacity Coding in FSO channels FSO link and system design
Provides a comprehensive and updated account of WDM optical network systems Optical networking has advanced considerably since 2010. A host of new technologies and applications has brought a significant change in optical networks, migrating it towards an all-optical network. This book places great emphasis on the network concepts, technology, and methodologies that will stand the test of time and also help in understanding and developing advanced optical network systems. The first part of Optical WDM Networks: From Static to Elastic Networks provides a qualitative foundation for what follows—presenting an overview of optical networking, the different network architectures, basic concepts, and a high-level view of the different network structures considered in subsequent chapters. It offers a survey of enabling technologies and the hardware devices in the physical layer, followed by a more detailed picture of the network in the remaining chapters. The next sections give an in-depth study of the three basic network structures: the static broadcast networks, wavelength routed networks, and the electronic/optical logically routed networks, covering the characteristics of the optical networks in the access, metropolitan area, and long-haul reach. It discusses the networking picture; network control and management, impairment management and survivability. The last section of the book covers the upcoming technologies of flex-grid and software defined optical networking. Provides concise, updated, and comprehensive coverage of WDM optical networks Features numerous examples and exercise problems for the student to practice Covers, in detail, important topics, such as, access, local area, metropolitan, wide area all-optical and elastic networks Includes protocols, design, and analysis along with the control and management of the networks Offers exclusive chapters on advance topics to cover the present and future technological trends, such as, software defined optical networking and the flexible grid optical networks Optical WDM Networks: From Static to Elastic Networks is an excellent book for under and post graduate students in electrical/communication engineering. It will also be very useful to practicing professionals in communications, networking, and optical systems.
Provides a comprehensive and updated account of WDM optical network systems Optical networking has advanced considerably since 2010. A host of new technologies and applications has brought a significant change in optical networks, migrating it towards an all-optical network. This book places great emphasis on the network concepts, technology, and methodologies that will stand the test of time and also help in understanding and developing advanced optical network systems. The first part of Optical WDM Networks: From Static to Elastic Networks provides a qualitative foundation for what follows—presenting an overview of optical networking, the different network architectures, basic concepts, and a high-level view of the different network structures considered in subsequent chapters. It offers a survey of enabling technologies and the hardware devices in the physical layer, followed by a more detailed picture of the network in the remaining chapters. The next sections give an in-depth study of the three basic network structures: the static broadcast networks, wavelength routed networks, and the electronic/optical logically routed networks, covering the characteristics of the optical networks in the access, metropolitan area, and long-haul reach. It discusses the networking picture; network control and management, impairment management and survivability. The last section of the book covers the upcoming technologies of flex-grid and software defined optical networking. Provides concise, updated, and comprehensive coverage of WDM optical networks Features numerous examples and exercise problems for the student to practice Covers, in detail, important topics, such as, access, local area, metropolitan, wide area all-optical and elastic networks Includes protocols, design, and analysis along with the control and management of the networks Offers exclusive chapters on advance topics to cover the present and future technological trends, such as, software defined optical networking and the flexible grid optical networks Optical WDM Networks: From Static to Elastic Networks is an excellent book for under and post graduate students in electrical/communication engineering. It will also be very useful to practicing professionals in communications, networking, and optical systems.
This illustrated memoir and biography unfolds the inspiring internal and external spiritual odyssey of Yamuna devi's devotional life recalled in her memories, talks, journals and writings, as well as the remembrances of the author and other associates and friends. It is richly supplemented with 100s of rare photos, Yamuna's calligraphic works, illustrations and art. In Part 1, Yamuna devi meets her spiritual preceptor, Srila Prabhupada, at her sister's wedding in 1966 and begins her first tentative steps in bhakti. In San Francisco she and a group of friends establish a vibrant temple and celebrate Rathayatra. Yamuna is initiated, married and begins cooking for Srila Prabhupada. She, her husband, and two other couples then travel to London and ignite the fire of Sankirtan in England. She records with George Harrison at Apple Studios and helps establish a temple in London. Her Guru's promise to take her to India is fulfilled in 1970, when she travels with the World Sankirtan Party throughout India. Despite hardships and obstacles along the path, the seed of Yamuna devi's Bhakti grows and matures into a life of unalloyed devotion" - Amazon.com.
Written in 1980, this novel by prize-winning Indian writer Mahasweta Devi, translated and introduced by Gayatri Chakravorty Sprivak, is remarkable for the way in which it touches on vital issues that have in subsequent decades grown into matters of urgent social conern. Written by one of India’s foremost novelists, and translated by an eminent cultural and critical theorist. Ranges over decades in the life of Chotti – the central character – in which India moves from colonial rule to independence, and then to the unrest of the 1970s. Traces the changes, some forced, some welcome, in the daily lives of a marginalized rural community. Raises questions about the place of the tribal on the map of national identity, land rights and human rights, the ‘museumization’ of ‘ethnic’ cultures, and the justifications of violent resistance as the last resort of a desperate people. Represents enlightening reading for students and scholars of postcolonial literature and postcolonial studies.
Amma's Enlightening Conversations From The Year 1984 Have Been Faithfully Recorded In The Awaken Children Series Volume 6. We Can Find Amma's Teachings On A Variety Of Subjects Such As: A Great Healer Of Hearts; The Art Of Dying; Deluded By The Ego; Study Of Scriptures; The Omniscient Gem; The Theory Of Karma; Faith; Surrender To Face Karma; Live In Anticipation Of The Lord; How To Handle Insults; God The Uninvited Guest; Contentment; Humiliation And Renunciation; Be Content With What You Have; Respect For All Life; Don’t Be Self Centered; A Mahatma Cannot Destroy; Selflessness And Intellect; Satya And Dharma, Truth And Righteousness; Fear Of God; Do Not Compare Yourself With Other; The Child Within; The Consciously Innocent Child; Forgiving And Forgetting. Translated By Swami Amritaswarupananda. Published By The Disciples Of Mata Amritanandamayi Devi, Affectionately Known As Mother, Or Amma The Hugging Saint.
The creative expression of rural and tribal artists has always been seen by most art historians as a product of ethnic collectivity whose authenticity lies in the remoteness of time and space. This study is the first of its kind, tracing the growth of a rural artist's work from her early paintings to her venturing out into narrative and autobiographical work, and the invention of a new pictorial vocabulary."--BOOK JACKET.
A practical guide to next-generation wireless terrestrial optical communication through the atmospheric channel Terrestrial Wireless Optical Communication provides in-depth details on free space optics (FSO), from basic concepts to design implementation. The book explains channel characteristics in the near-IR and IR range of the spectrum, atmospheric channel models, modulation and detection techniques, optimal performance, capacity enhancement methods, and forward-error coding schemes. Link and system design issues, reliability, and safety standards are also discussed. The information in this essential guide enables you to deliver cost-effective and transparent wireless network interoperability and expandability. Coverage includes: Introduction--optical wireless communication systems Wireless optical channels Channel modeling Modulation techniques Diversity and detection techniques in optical fading channels Channel capacity Coding in FSO channels FSO link and system design
This book examines the historical trajectory of the growth of the television news and critically analyzes the role of private television news in framing the nature of public discourse in contemporary India. Set in the context of a transformed media landscape, the book attempts to understand and analyze the role of two private national news channels, NDTV 24×7 and Aaj Tak, in producing mediatized narratives that offer a commentary on the various social, political, cultural, religious and economic issues in the public domain. This is achieved by critically examining the process and techniques of production, representation and consumption of current affairs programs such as studio debates, panel discussions, audience talk shows and documentaries aired on both the channels. Highlighting some of the key trends that impinge on the structure and mode of operation of television news media in contemporary India, the book offers a simultaneous examination of how the production, representation and consumption of the mediatized discourses shape the nature of public discourse and have social-political ramifications for the functioning of Indian democracy. The book will be of interest to researchers in sociology, media and communication studies, popular culture and South Asian Studies.
In coastal aquifers, saltwater intrusion may cause serious consequences in terms of both environmental and economic impacts. An attempt has been made in the present study to elucidate the quality of groundwaterin the study area in terms of the chemical parameter change due to the seasonal variation of water level. The present study deals with the physio-chemical characteristics of groundwater quality in Nagapattinam district.The study area showed generally similar hydrochemical characteristics slightly higher level of Cl-, Na+, and EC was observed. Based on the Cl- , Na+ and EC data, the groundwater falls within high salinity.
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.