FUN TO ALL: 09/25/09

Friday, September 25, 2009

W.T Welford - Aberrations of Optical Systems

W.T Welford - Aberrations of Optical Systems
Taylor & Francis | 1986 | ISBN: 0852745648 | Pages: 284 | DJVU | 2.19 MB

Although the subject of optical design as a branch of applied physics is over one hundred years old, the use of aberration theory has changed considerably. Aberrations of Optical Systems covers elementary optics and aberration theory of various optical systems, including the use of nonaxially symmetric systems and diffractive optical elements in complex designs, such as head-up displays and the increasing use of scanning systems with laser illumination. The book provides the complete range of mathematical tools, formulae, and derivations needed for understanding the process of optical design and for planning optical design programs. While the treatment is mainly based on geometrical optics, some excursions into physical optics are made, particularly in connection with the problems of optical tolerances.

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Boris Murmann, Bernhard E. Boser - Digitally Assisted Pipeline ADCs: Theory and Implementation PDF | 6.58 MB

Boris Murmann, Bernhard E. Boser - Digitally Assisted Pipeline ADCs: Theory and Implementation
Springer | 2004 | ISBN: 1402078390 | Pages: 175 | PDF | 6.58 MB

Digitally Assisted Pipeline ADCs: Theory and Implementation explores the opportunity to reduce ADC power dissipation by leveraging digital signal processing capabilities in fine line integrated circuit technology. The described digitally assisted pipelined ADC uses a statistics-based system identification technique as an enabling element to replace precision residue amplifiers with simple open-loop gain stages. The digital compensation of analog circuit distortion eliminates one key factor in the classical noise-speed-linearity constraint loop and thereby enables a significant power reduction.
Digitally Assisted Pipeline ADCs: Theory and Implementation describes in detail the implementation and measurement results of a 12-bit, 75-MSample/sec proof-of-concept prototype. The Experimental converter achieves power savings greater than 60% over conventional implementations.
Digitally Assisted Pipeline ADCs: Theory and Implementation will be of interest to researchers and professionals interested in advances of state-of-the-art in A/D conversion techniques.

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K. R. Rushton - Groundwater Hydrology: Conceptual and Computational Models

K. R. Rushton - Groundwater Hydrology: Conceptual and Computational Models
Wiley | 2003 | ISBN: 0470850043 | Pages: 430 | PDF | 5.60 MB

Groundwater is a vital source of water throughout the world. As the number of groundwater investigations increase, it is important to understand how to develop comprehensive quantified conceptual models and appreciate the basis of analytical solutions or numerical methods of modelling groundwater flow.
Groundwater Hydrology: Conceptual and Computational Models describes advances in both conceptual and numerical modelling. It gives insights into the interpretation of field information, the development of conceptual models, the use of computational models based on analytical and numerical techniques, the assessment of the adequacy of models, and the use of computational models for predictive purposes. It focuses on the study of groundwater flow problems and a thorough analysis of real practical field case studies.
It is divided into three parts:
* Part I deals with the basic principles, including a summary of mathematical descriptions of groundwater flow, recharge estimation using soil moisture balance techniques, and extensive studies of groundwater-surface water interactions.
* Part II focuses on the concepts and methods of analysis for radial flow to boreholes including topics such as large diameter wells, multi-layered aquifer systems, aquitard storage and the prediction of long-term yield.

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Nouredine Zettili - Quantum Mechanics: Concepts and Applications

This richly illustrated textbook provides a clear, balanced and modern approach to quantum mechanics. It combines the essential elements of the theory with the practical applications. Containing many examples and problems with stepвЂ“byвЂ“step solutions, this cleverly structured text assists the reader in mastering the machinery of quantum mechanics.
* A comprehensive introduction to the subject
* Includes over 65 solved examples integrated throughout the text
* Includes over 154 fully solved multipart problems
* Offers an indepth treatment of the practical mathematical tools of quantum mechanics
* Accessible to teachers as well as students

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Yoshimi Ito - Modular Design for Machine Tools

Yoshimi Ito - Modular Design for Machine Tools

McGraw-Hill Professional | 2008 | ISBN: 0071496602 | Pages: 530 | PDF | 6.35 MB

Harness the Latest Modular Design Methods to Increase Productivity, Save Time, and Reduce Costs in Manufacturing
Machine designers and toolmakers can turn to Modular Design for Machine Tools for a complete guide to designing and building machines using modular design methods. The information and techniques presented in this skills-building book will enable readers to shorten machine design time.improve reliabilityвЂ¦reduce costsвЂ¦and simplify service and repair.
Packed with over 100 detailed illustrations, this essential resource explores the basics of modular designвЂ¦the methodology of machine toolsвЂ¦ the description and application of machine toolsвЂ¦interfacial structural configuration in modular designвЂ¦stationary and sliding jointsвЂ¦model theory and testingвЂ¦and much more. Comprehensive and easy-to-use, Modular Design for Machine Tools includes:
* Expert classification of machine tool joints
* Concise definitions of machine tool joints and characteristics
* Similarity evaluations of structural configurations
* Design formulas and features of single flat joints under dynamic loading
* Solved examples that illustrate and prove formulas
* Hard-to-find graphs for gear design, comparative tables for machine tool drives, and simplified electrical circuit designs
Inside This Cutting-Edge Modular Design Guide
вЂў Part 1: Engineering Guide to Modular Design and Description/Methodology of Machine Tools вЂў What Is Modular Design? вЂў Engineering Guide to and Future Perspectives on Modular Design вЂў Description of Machine Tools вЂў Application of Machine Tools to Engineering Design вЂў Part 2: Engineering Design for Machine Tool Joints-Interfacial Structural Configuration in Modular Design вЂў Machine Tool Joints вЂў Engineering Design Fundamentals вЂў Practice and First-Hand Views of Related Engineering Developments: Stationary Joints and Sliding Joints вЂў Engineering Knowledge of Other Joints вЂў Measurement of Interface Pressure by Means of Ultrasonic Waves вЂў Model Theory and Testing
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