Wind Effects On Structures - Modern Structural Design For Wind, 4E (4版)

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【簡介】 Provides structural engineers with the knowledge and practical tools needed to perform structural designs for wind that incorporate major technological, conceptual, analytical and computational advances achieved in the last two decades.With clear explanations and documentation of the concepts, methods, algorithms, and software available for accounting for wind loads in structural design, it also describes the wind engineer's contributions in sufficient detail that they can be effectively scrutinized by the structural engineer in charge of the design.Wind Effects on Structures: Modern Structural Design for Wind, 4th Edition is organized in four sections. The first covers atmospheric flows, extreme wind speeds, and bluff body aerodynamics. The second examines the design of buildings, and includes chapters on aerodynamic loads; dynamic and effective wind-induced loads; wind effects with specified MRIs; low-rise buildings; tall buildings; and more. The third part is devoted to aeroelastic effects, and covers both fundamentals and applications. The last part considers other structures and special topics such as trussed frameworks; offshore structures; and tornado effects.Offering readers the knowledge and practical tools needed to develop structural designs for wind loadings, this book: Points out significant limitations in the design of buildings based on such techniques as the high-frequency force balanceDiscusses powerful algorithms, tools, and software needed for the effective design for wind, and provides numerous examples of application Discusses techniques applicable to structures other than buildings, including stacks and suspended-span bridges Features several appendices on Elements of Probability and Statistics; Peaks-over-Threshold Poisson-Process Procedure for Estimating Peaks; estimates of the WTC Towers' Response to Wind and their shortcomings; and moreWind Effects on Structures: Modern Structural Design for Wind, 4th Edition is an excellent text for structural engineers, wind engineers, and structural engineering students and faculty.

Microwave and Millimeter-Wave Antenna Design for 5g Smartphone Applications

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簡介 《5G智慧型手機應用之微波與毫米波天線設計》是一本深入且實用的書籍，全面介紹了5G天線設計的考量。兩位傑出的研究人員提供了一種全面的、跨學科的天線設計方法論。本書涵蓋了從次6GHz微波到毫米波頻譜的各種方法，解釋了微波和毫米波5G天線如何獨立和協同工作。 本書涵蓋了在空間受限的移動設備中設計毫米波5G天線的關鍵考慮因素，以及成本、製造產量和散熱等實際問題。讀者還將找到對5G天線演進可能的未來方向的探索，以及以下內容： - 對5G FR1頻段移動天線設計的基本概念進行全面介紹，包括天線放置、元件設計和拓撲討論。 - 對天線供電機制和阻抗匹配進行全面探討，包括底盤考慮和影響。 - 對頻率可調的毫米波5G天線封裝進行實際討論。 - 對緊湊型毫米波5G天線解決方案和毫米波天線顯示技術在5G移動設備中的應用進行詳細介紹。 這本書非常適合天線、微波、通信和射頻工程師閱讀，同時也對研究生、政策制定者、監管機構和對通信和天線感興趣的研究人員有所裨益。