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Showing 1 - 8 of 8 matches in All Departments

Index Modulation for OFDM Communications Systems (Hardcover, 1st ed. 2021): Miaowen Wen, Qiang Li, Xiang Cheng Index Modulation for OFDM Communications Systems (Hardcover, 1st ed. 2021)
Miaowen Wen, Qiang Li, Xiang Cheng
R3,508 Discovery Miles 35 080 Ships in 10 - 15 working days

Thanks to their considerable advantages, index modulation and orthogonal frequency division multiplexing (OFDM) are considered to be promising candidates for future wireless communications. This book focuses on the index modulation techniques for OFDM communications systems, which allow information to be conveyed not only via constellation symbols, but also by the indices of various transmission entities in OFDM systems, such as signal constellations, spreading codes, and pilots. The book discusses representative transmitter and receiver designs, optimization and performance analysis of index modulation based on various transmission entities. It first introduces readers to constellation-based index modulation via a combinatorial approach, including the classical index modulation scheme and two embodiments of information-guided precoding for OFDM systems. It further discusses constellation-based index modulation via a permutational approach, including the basic, generalized, and diversity-enhancing forms. It then describes how the spreading code is used to design an index modulated spread spectrum for OFDM systems, and the extensions to multi-code and multi-user scenarios. In addition it explores information guided pilot insertion for OFDM systems, followed by applications to carrier phase tracking and channel estimation. Lastly, the book highlights a number of open problems and discusses future research directions in the general field of index modulation. Intended for professionals and researchers in the field of wireless communications, this book is also a valuable resource for advanced-level electrical engineering and computer science students.

Big Data-Driven Intelligent Fault Diagnosis and Prognosis for Mechanical Systems (Hardcover, 1st ed. 2023): Yaguo Lei, Naipeng... Big Data-Driven Intelligent Fault Diagnosis and Prognosis for Mechanical Systems (Hardcover, 1st ed. 2023)
Yaguo Lei, Naipeng Li, Xiang Li
R2,819 Discovery Miles 28 190 Ships in 10 - 15 working days

This book presents systematic overviews and bright insights into big data-driven intelligent fault diagnosis and prognosis for mechanical systems. The recent research results on deep transfer learning-based fault diagnosis, data-model fusion remaining useful life (RUL) prediction, etc., are focused on in the book. The contents are valuable and interesting to attract academic researchers, practitioners, and students in the field of prognostics and health management (PHM). Essential guidelines are provided for readers to understand, explore, and implement the presented methodologies, which promote further development of PHM in the big data era. Features: Addresses the critical challenges in the field of PHM at present Presents both fundamental and cutting-edge research theories on intelligent fault diagnosis and prognosis Provides abundant experimental validations and engineering cases of the presented methodologies

Passive Intermodulation - Concepts and Technology (Hardcover): Wanzhao Cui, Jun Li, Xiang Chen Passive Intermodulation - Concepts and Technology (Hardcover)
Wanzhao Cui, Jun Li, Xiang Chen; Contributions by Shan Guo; Edited by Huan Wei
R2,171 Discovery Miles 21 710 Ships in 12 - 17 working days

Describes the passive intermodulation mechanism, analysis and evaluation methods, location detection and suppression technology of microwave components passive intermodulation from a theoretical and engineering perspective Gives practical suppression technology in the book, which provides reference for the engineers Introduces the latest achievements of microwave components passive intermodulation in a certain technical depth, guidance and inspiration

Index Modulation for OFDM Communications Systems (Paperback, 1st ed. 2021): Miaowen Wen, Qiang Li, Xiang Cheng Index Modulation for OFDM Communications Systems (Paperback, 1st ed. 2021)
Miaowen Wen, Qiang Li, Xiang Cheng
R3,477 Discovery Miles 34 770 Ships in 10 - 15 working days

Thanks to their considerable advantages, index modulation and orthogonal frequency division multiplexing (OFDM) are considered to be promising candidates for future wireless communications. This book focuses on the index modulation techniques for OFDM communications systems, which allow information to be conveyed not only via constellation symbols, but also by the indices of various transmission entities in OFDM systems, such as signal constellations, spreading codes, and pilots. The book discusses representative transmitter and receiver designs, optimization and performance analysis of index modulation based on various transmission entities. It first introduces readers to constellation-based index modulation via a combinatorial approach, including the classical index modulation scheme and two embodiments of information-guided precoding for OFDM systems. It further discusses constellation-based index modulation via a permutational approach, including the basic, generalized, and diversity-enhancing forms. It then describes how the spreading code is used to design an index modulated spread spectrum for OFDM systems, and the extensions to multi-code and multi-user scenarios. In addition it explores information guided pilot insertion for OFDM systems, followed by applications to carrier phase tracking and channel estimation. Lastly, the book highlights a number of open problems and discusses future research directions in the general field of index modulation. Intended for professionals and researchers in the field of wireless communications, this book is also a valuable resource for advanced-level electrical engineering and computer science students.

Computational Intelligence and Intelligent Systems - 6th International Symposium, ISICA 2012, Wuhan, China, October 27-28,... Computational Intelligence and Intelligent Systems - 6th International Symposium, ISICA 2012, Wuhan, China, October 27-28, 2012. Proceedings (Paperback, 2012 ed.)
Zhenhua Li, Xiang Li, Yong Liu, Zhihua Cai
R1,575 Discovery Miles 15 750 Ships in 10 - 15 working days

This book constitutes the refereed proceedings of the 6th International Symposium on Intelligence Computation and Applications, ISICA 2012, held in Wuhan, China, in October 2012. The 72 revised full papers presented were carefully reviewed and selected from numerous submissions. The papers are organized in topical sections on artificial life, adaptive behavior, agents, and ant colony optimization; combinatorial and numerical optimization; communications and computer networks; data mining; evolutionary multi-objective and dynamic optimization; intelligent computation, intelligent learning systems; neural networks; real-world applications.

Plum Shadows and Plank Bridge - Two Memoirs About Courtesans (Paperback): Wai-yee Li Plum Shadows and Plank Bridge - Two Memoirs About Courtesans (Paperback)
Wai-yee Li; Xiang Mao, Huai Yu
bundle available
R444 Discovery Miles 4 440 Ships in 12 - 17 working days

Amid the turmoil of the Ming-Qing dynastic transition in seventeenth-century China, some intellectuals sought refuge in romantic memories from what they perceived as cataclysmic events. This volume presents two memoirs by famous men of letters, Reminiscences of the Plum Shadows Convent by Mao Xiang (1611-93) and Miscellaneous Records of Plank Bridge by Yu Huai (1616-96), that recall times spent with courtesans. They evoke the courtesan world in the final decades of the Ming dynasty and the aftermath of its collapse. Mao Xiang chronicles his relationship with the courtesan Dong Bai, who became his concubine two years before the Ming dynasty fell. His mournful remembrance of their life together, written shortly after her early death, includes harrowing descriptions of their wartime sufferings as well as idyllic depictions of romantic bliss. Yu Huai offers a group portrait of Nanjing courtesans, mixing personal memories with reported anecdotes. Writing fifty years after the fall of the Ming, he expresses a deep nostalgia for courtesan culture that bears the toll of individual loss and national calamity. Together, they shed light on the sensibilities of late Ming intellectuals: their recollections of refined pleasures and ruminations on the vagaries of memory coexist with political engagement and a belief in bearing witness. With an introduction and extensive annotations, Plum Shadows and Plank Bridge is a valuable source for the literature of remembrance, the representation of women, and the social role of intellectuals during a tumultuous period in Chinese history.

Plum Shadows and Plank Bridge - Two Memoirs About Courtesans (Hardcover): Wai-yee Li Plum Shadows and Plank Bridge - Two Memoirs About Courtesans (Hardcover)
Wai-yee Li; Xiang Mao, Huai Yu
bundle available
R1,770 Discovery Miles 17 700 Ships in 10 - 15 working days

Amid the turmoil of the Ming-Qing dynastic transition in seventeenth-century China, some intellectuals sought refuge in romantic memories from what they perceived as cataclysmic events. This volume presents two memoirs by famous men of letters, Reminiscences of the Plum Shadows Convent by Mao Xiang (1611-93) and Miscellaneous Records of Plank Bridge by Yu Huai (1616-96), that recall times spent with courtesans. They evoke the courtesan world in the final decades of the Ming dynasty and the aftermath of its collapse. Mao Xiang chronicles his relationship with the courtesan Dong Bai, who became his concubine two years before the Ming dynasty fell. His mournful remembrance of their life together, written shortly after her early death, includes harrowing descriptions of their wartime sufferings as well as idyllic depictions of romantic bliss. Yu Huai offers a group portrait of Nanjing courtesans, mixing personal memories with reported anecdotes. Writing fifty years after the fall of the Ming, he expresses a deep nostalgia for courtesan culture that bears the toll of individual loss and national calamity. Together, they shed light on the sensibilities of late Ming intellectuals: their recollections of refined pleasures and ruminations on the vagaries of memory coexist with political engagement and a belief in bearing witness. With an introduction and extensive annotations, Plum Shadows and Plank Bridge is a valuable source for the literature of remembrance, the representation of women, and the social role of intellectuals during a tumultuous period in Chinese history.

Bayesian Modeling in Ophthalmology (Paperback): Wong Wan Ling, Li Xiang Bayesian Modeling in Ophthalmology (Paperback)
Wong Wan Ling, Li Xiang
R1,776 Discovery Miles 17 760 Ships in 10 - 15 working days
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