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[null,"1.","Record Nr.",null,"UNINA9910140643403321"]
[null,null,"Autore",null,"Ghannouchi Fadhel M. <1958->"]
[null,null,"Titolo",null,"Behavioral modelling and predistortion of wideband wireless transmitters / / Fadhel Ghannouchi, Oualid Hammi, Mohamed Helaoui"]
[null,null,"Pubbl/distr/stampa",null,"Chichester, England : , : Wiley, , 2015"]
[{"$nulls":4},"©2015"]
[null,null,"ISBN",null,"1-119-00444-6"]
[{"$nulls":4},"1-119-00442-X"]
[null,null,"Edizione",null,"[1st edition]"]
[null,null,"Descrizione fisica",null,"1 online resource (272 p.)"]
[null,null,"Disciplina",null,"621.384131"]
[null,null,"Soggetti",null,"Wireless communication systems - Mathematical models"]
[{"$nulls":4},"Broadband communication systems - Mathematical models"]
[{"$nulls":4},"Signal theory (Telecommunication) - Mathematics"]
[{"$nulls":4},"Telecommunication - Transmitters and transmission - Mathematics"]
[{"$nulls":4},"Nonlinear systems - Mathematical models"]
[{"$nulls":4},"Electric distortion - Mathematical models"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references at the end of each chapters and index."]
[null,null,"Nota di contenuto",null,"Cover; Title Page; Copyright; Contents; About the Authors; Preface; Acknowledgments; Chapter 1 Characterization of Wireless Transmitter Distortions; 1.1 Introduction; 1.1.1 RF Power Amplifier Nonlinearity; 1.1.2 Inter-Modulation Distortion and Spectrum Regrowth; 1.2 Impact of Distortions on Transmitter Performances; 1.3 Output Power versus Input Power Characteristic; 1.4 AM/AM and AM/PM Characteristics; 1.5 1 dB Compression Point; 1.6 Third and Fifth Order Intercept Points; 1.7 Carrier to Inter-Modulation Distortion Ratio; 1.8 Adjacent Channel Leakage Ratio; 1.9 Error Vector Magnitude"]
[{"$nulls":4},"ReferencesChapter 2 Dynamic Nonlinear Systems; 2.1 Classification of Nonlinear Systems; 2.1.1 Memoryless Systems; 2.1.2 Systems with Memory; 2.2 Memory in Microwave Power Amplification Systems; 2.2.1 Nonlinear Systems without Memory; 2.2.2 Weakly Nonlinear and Quasi-Memoryless Systems; 2.2.3 Nonlinear System with Memory; 2.3 Baseband and Low-Pass Equivalent Signals; 2.4 Origins and Types of Memory Effects in Power Amplification Systems; 2.4.1 Origins of Memory Effects; 2.4.2 Electrical Memory Effects; 2.4.3 Thermal Memory Effects; 2.5 Volterra Series Models; References"]
[{"$nulls":4},"Chapter 3 Model Performance Evaluation3.1 Introduction; 3.2 Behavioral Modeling versus Digital Predistortion; 3.3 Time Domain Metrics; 3.3.1 Normalized Mean Square Error; 3.3.2 Memory Effects Modeling Ratio; 3.4 Frequency Domain Metrics; 3.4.1 Frequency Domain Normalized Mean Square Error; 3.4.2 Adjacent Channel Error Power Ratio; 3.4.3 Weighted Error Spectrum Power Ratio; 3.4.4 Normalized Absolute Mean Spectrum Error; 3.5 Static Nonlinearity Cancelation Techniques; 3.5.1 Static Nonlinearity Pre-Compensation Technique; 3.5.2 Static Nonlinearity Post-Compensation Technique"]
[{"$nulls":4},"3.5.3 Memory Effect Intensity3.6 Discussion and Conclusion; References; Chapter 4 Quasi-Memoryless Behavioral Models; 4.1 Introduction; 4.2 Modeling and Simulation of Memoryless/Quasi-Memoryless Nonlinear Systems; 4.3 Bandpass to Baseband Equivalent Transformation; 4.4 Look-Up Table Models; 4.4.1 Uniformly Indexed Loop-Up Tables; 4.4.2 Non-Uniformly Indexed Look-Up Tables; 4.5 Generic Nonlinear Amplifier Behavioral Model; 4.6 Empirical Analytical Based Models; 4.6.1 Polar Saleh Model; 4.6.2 Cartesian Saleh Model; 4.6.3 Frequency-Dependent Saleh Model; 4.6.4 Ghorbani Model"]
[{"$nulls":4},"4.6.5 Berman and Mahle Phase Model4.6.6 Thomas-Weidner-Durrani Amplitude Model; 4.6.7 Limiter Model; 4.6.8 ARCTAN Model; 4.6.9 Rapp Model; 4.6.10 White Model; 4.7 Power Series Models; 4.7.1 Polynomial Model; 4.7.2 Bessel Function Based Model; 4.7.3 Chebyshev Series Based Model; 4.7.4 Gegenbauer Polynomials Based Model; 4.7.5 Zernike Polynomials Based Model; References; Chapter 5 Memory Polynomial Based Models; 5.1 Introduction; 5.2 Generic Memory Polynomial Model Formulation; 5.3 Memory Polynomial Model; 5.4 Variants of the Memory Polynomial Model; 5.4.1 Orthogonal Memory Polynomial Model"]
[{"$nulls":4},"5.4.2 Sparse-Delay Memory Polynomial Model"]
[null,null,null,"Sommario/riassunto","Covers theoretical and practical aspects related to the behavioral modelling and predistortion of wireless transmitters and power amplifiers. It includes simulation software that enables the users to apply the theory presented in the book. In the first section, the reader is given the general background of nonlinear dynamic systems along with their behavioral modelling from all its aspects. In the second part, a comprehensive compilation of behavioral models formulations and structures is provided including memory polynomial based models, box oriented models such as Hammerstein-based and Wiener-based models, and neural networks-based models. The book will be a valuable resource for design engineers, industrial engineers, applications engineers, postgraduate students, and researchers working on power amplifiers modelling, linearization, and design."]
[null,"2.","Record Nr.",null,"UNINA9910973869203321"]
[null,null,"Autore",null,"Gillespie Andra"]
[null,null,"Titolo",null,"Race and the Obama Administration : Substance, symbols and hope / / Andra Gillespie"]
[null,null,"Pubbl/distr/stampa",null,"Manchester : , : Manchester University Press, , [2019]"]
[{"$nulls":4},"©2019"]
[null,null,"ISBN",null,"9781526105035"]
[{"$nulls":4},"1526105039"]
[{"$nulls":4},"9781526155177"]
[{"$nulls":4},"1526155176"]
[null,null,"Edizione",null,"[1st ed.]"]
[null,null,"Descrizione fisica",null,"1 online resource (xiii, 237 pages) : illustrations"]
[null,null,"Disciplina",null,"973.932"]
[null,null,"Soggetti",null,"Relations interethniques - États-Unis - 21e siecle"]
[{"$nulls":4},"Noirs américains - Conditions economiques - 21e siecle"]
[{"$nulls":4},"Noirs américains - Conditions sociales - 21e siecle"]
[{"$nulls":4},"Politique et gouvernement - États-Unis - 2009-2017"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Bibliogr. p. 208-230. Index."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (pages 208-230) and index."]
[null,null,"Nota di contenuto",null,"Front matter -- Dedication -- Contents -- List of figures -- List of tables -- Acknowledgments -- Introduction: My president was black So what? -- The triple bind -- How he did: The racial successes, failures, and impact of the Obama presidency -- Was Obama a paddling duck?: Seven vignettes of substantive politics in the Obama Administration -- The right person saying the right thing: Descriptive representation and rhetoric in the Obama Administration -- The political power of symbolic representation: Artistic performances and commencement speeches from... -- The substance of hope: Public opinion and black attitudes toward the Obama presidency -- Conclusion: Was it worth it? -- Epilogue: Considering the Obama legacy in the age of Trump -- Appendix -- Bibliography -- Index."]
[null,null,null,"Sommario/riassunto","\"The election of Barack Obama marked a critical point in American political and social history. Did the historic election of a black president actually change the status of blacks in the United States? Did these changes (or lack thereof) inform blacks' perceptions of the President? This book explores these questions by comparing Obama's promotion of substantive and symbolic initiatives for blacks to efforts by the two "]
[{"$nulls":4},"previous presidential administrations. By employing a comparative analysis, the reader can judge whether Obama did more or less to promote black interests than his predecessors. Taking a more empirical approach to judging Barack Obama, this book hopes to contribute to current debates about the significance of the first African American presidency. It takes care to make distinctions between Obama's substantive and symbolic accomplishments and to explore the significance of both\" (ed.)."]