VHF/UHF filters and multicouplers : applications of air resonators / / Bernard Piette

• Record Nr.: UNINA9910812838603321
• Autore: Bernard Piette
• Pubbl/distr/stampa: London, : ISTE; Hoboken, N.J., : Wiley, 2010
• ISBN: 9781118558249; 1118558243; 9781118620670; 1118620674; 9781299315464; 1299315461; 9781118620618; 1118620615
• Edizione: [1st edition]
• Descrizione fisica: 1 online resource (309 p.)
• Collana: ISTE
• Disciplina: 621.384/12
• Soggetti: Radio filters; Directional couplers
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: English translation of: Multicoupleurs et filtres VHF/UHF, France : Lavoisier, 2007.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Calling to mind and generalities -- HF measurements -- Resonant cavities -- Manufacturing and tuning of cavities -- The bandpass filter -- The combline filter -- Channel multiplexing -- Auxiliary devices -- Directional couplers -- Helical resonators -- Multicouplers -- Utilities -- Miscellaneous.
• Sommario/riassunto: This book describes the various devices used in radio communication and broadcasting to achieve high selectivity filtering and coupling. After providing a background in the basics of microwave theory and more detailed material - including a special chapter on precision and errors in measurement - the reader will find detailed descriptions, manufacturing processes, and, for the most useful instances, a number of worked-through formulas, which will allow engineers and technicians to design circuits or components for filtering or coupling ; applications. Content is covered in this format across a b

Big Data Analysis : High Dimensional Probability, Statistics, Optimization, and Inference / / by Junwei Lu

• Record Nr.: UNINA9911039317303321
• Autore: Lu Junwei
• Pubbl/distr/stampa: Cham : , : Springer Nature Switzerland : , : Imprint : Springer, , 2025
• ISBN: 9783032031617; 9783032031600
• Edizione: [1st ed. 2025.]
• Descrizione fisica: 1 online resource (266 pages)
• Collana: Mathematics and Statistics Series
• Disciplina: 005.7
• Soggetti: Big data; Statistics; Probabilities; Big Data; Applied Probability
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di contenuto: Part I Foundations of Big Data Analysis -- Chapter 1 Introduction -- Chapter 2 Preliminaries in Probability -- Chapter 3 Preliminaries in Linear Algebra -- Part II High-Dimensional Probability -- Chapter 4 Concentration Inequalities -- Chapter 5 Sub-Exponential Random Variables -- Chapter 6 Maximal Inequality -- Part III High-Dimensional Statistics -- Chapter 7 Ordinary Least Squares -- Chapter 8 Compressive Sensing -- Chapter 9 Restricted Isometry Property -- Chapter 10 Statistical Properties of Lasso -- Chapter 11 Variations of Lasso -- Part IV High-Dimensional Optimization -- Chapter 12 Convexity and Subgradient -- Chapter 13 Gradient Descent -- Chapter 14 Proximal Gradient Descent -- Chapter 15 Mirror Descent and Nesterov’s Smoothing -- Chapter 16 Duality and ADMM -- Part V High-Dimensional Inference -- Chapter 17 High Dimensional Inference -- Chapter 18 Debiased Lasso -- Chapter 19 Multiple Hypotheses -- Chapter 20 False Discovery Rate -- Chapter 21 Knock-Off -- ; References.
• Sommario/riassunto: This book covers the methods and theory of high dimensional probability, statistics, large-scale optimization, and inference. We aim to quickly bring readers to the frontier and interdisciplinary areas of statistics, optimization, probability, and machine learning. This book covers topics in: High dimensional probability, Concentration inequality, Sub-Gaussian random variables, Chernoff bounds, Hoeffding's inequality, Maximal inequalities, High dimensional linear regression, Ordinary least square, Compressed sensing, Lasso, Variations of Lasso including group lasso, fused lasso, adaptive lasso, etc., General high dimensional M- estimators, Variable selection consistency, High dimensional Optimization, Convex geometry, Lagrange duality, Gradient descent, Proximal gradient descent, LARS, ADMM, Mirror descent, Stochastic optimization, Large-Scale Inference, Linear model hypothesis testing, high dimensional inference, Chi-square test, maximal test, and Higher criticism, False discovery rate control.