After nearly two decades, Paul Yoder's Opto-Mechanical Systems Design continues to be the reference of choice for professionals fusing optical and mechanical components into advanced, high-performance instruments. Yoder's authoritative systems-oriented coverage and down-to-earth approach fosters the deep-seated knowledge needed to continually push
After nearly two decades, Paul Yoder's Opto-Mechanical Systems Design continues to be the reference of choice for professionals fusing optical and mechanical components into advanced, high-performance instruments. Yoder's authoritative systems-oriented coverage and down-to-earth approach fosters the deep-seated knowledge needed to continually push
In order to utilize digital images effectively, specific techniques are needed to reduce the number of bits required for their representation. This Tutorial Text provides the groundwork for understanding these image compression tecniques and presents a number of different schemes that have proven useful. The algorithms discussed in this book are concerned mainly with the compression of still-frame, continuous-tone, monochrome and color images, but some of the techniques, such as arithmetic coding, have found widespread use in the compression of bilevel images. Both lossless (bit-preserving) and lossy techniques are considered. A detailed description of the compression algorithm proposed as the world standard (the JPEG baseline algorithm) is provided. The book contains approximately 30 pages of reconstructed and error images illustrating the effect of each compression technique on a consistent image set, thus allowing for a direct comparison of bit rates and reconstucted image quality. For each algorithm, issues such as quality vs. bit rate, implementation complexity, and susceptibility to channel errors are considered.
This text examines the various ways in which prisms and small mirrors typically are designed and mounted in optical instruments. It provides analytical tools for evaluating different designs, and discusses the advantages and disadvantages of various techniques. The book, in part, is an outgrowth of SPIE short courses taught by the author and is a companion to his 1995 volume Mounting Lenses in Optical Instruments. The work should be useful for engineers and other practitioners in the fields of optical engineering and optomechanical design.
Rewritten and updated, this text provides information on opto-mechanical systems design guidelines and their day-to-day applications in real environments. It emphasizes proven techniques for accomplishing design tasks and outlines techniques for mounting various optical elements and groupings.
This tutorial text provides the reader with an understanding of artificial neural networks (ANNs), and their application, beginning with the biological systems which inspired them, through the learning methods that have been developed, and the data collection processes, to the many ways ANNs are being used today. The material is presented with a minimum of math (although the mathematical details are included in the appendices for interested readers), and with a maximum of hands-on experience. All specialized terms are included in a glossary. The result is a highly readable text that will teach the engineer the guiding principles necessary to use and apply artificial neural networks.
Opto-Mechanical Systems Design, Fourth Edition is different in many ways from its three earlier editions: coauthor Daniel Vukobratovich has brought his broad expertise in materials, opto-mechanical design, analysis of optical instruments, large mirrors, and structures to bear throughout the book; Jan Nijenhuis has contributed a comprehensive new chapter on kinematics and applications of flexures; and several other experts in special aspects of opto-mechanics have contributed portions of other chapters. An expanded feature—a total of 110 worked-out design examples—has been added to several chapters to show how the theory, equations, and analytical methods can be applied by the reader. Finally, the extended text, new illustrations, new tables of data, and new references have warranted publication of this work in the form of two separate but closely entwined volumes. The first volume, Design and Analysis of Opto-Mechanical Assemblies, addresses topics pertaining primarily to optics smaller than 50 cm aperture. It summarizes the opto-mechanical design process, considers pertinent environmental influences, lists and updates key parameters for materials, illustrates numerous ways for mounting individual and multiple lenses, shows typical ways to design and mount windows and similar components, details designs for many types of prisms and techniques for mounting them, suggests designs and mounting techniques for small mirrors, explains the benefits of kinematic design and uses of flexures, describes how to analyze various types of opto-mechanical interfaces, demonstrates how the strength of glass can be determined and how to estimate stress generated in optics, and explains how changing temperature affects opto-mechanical assemblies. The second volume, Design and Analysis of Large Mirrors and Structures, concentrates on the design and mounting of significantly larger optics and their structures, including a new and important topic: detailed consideration of factors affecting large mirror performance. The book details how to design and fabricate very large single-substrate, segmented, and lightweight mirrors; describes mountings for large mirrors with their optical axes in vertical, horizontal, and variable orientations; indicates how metal and composite mirrors differ from ones made of glass; explains key design aspects of optical instrument structural design; and takes a look at an emerging technology—the evolution and applications of silicon and silicon carbide in mirrors and other types of components for optical applications.
Entirely updated to cover the latest technology, this Second Edition gives optical designers and optomechanical engineers a thorough understanding of the principal ways in which optical components - lenses, windows, filters, shells, domes, prisms, and mirrors of all sizes - are mounted in optical instruments.Along with new information on tolerancing, sealing considerations, elastomeric mountings, alignment, stress estimation, and temperature control, two new chapters address the mounting of metallic mirrors and the alignment of reflective and catadioptric systems.The updated accompanying CD-ROM offers a convenient spreadsheet of the many equations that are helpful in solving problems encountered when mounting optics in instruments.
This Tutorial Text is intended for practitioners in the fields of optical engineering and optomechanical design. It provides a comprehensive examination of the different ways in which lenses typically are mounted in optical instruments, of the advantages and disadvantages of various mounting arrangements, and of the analytical tools that can be used to evaluate and compare different designs. Each section contains an illustrated discussion of the technology involved and one or more practical examples, where feasible.
This introduction to uncooled infrared focal plane arrays and their applications is aimed at professionals, students, and end users. Topics include principal uncooled thermal detection mechanisms; fundamental performance limits and theoretical performance; the state of the art; and applications, technical trends, and systems employing uncooled arrays.
Spanning the entire childhood developmental period, Language Disorders from Infancy Through Adolescence, 5th Edition is the go-to text for learning how to properly assess childhood language disorders and provide appropriate treatment. The most comprehensive title available on childhood language disorders, it uses a descriptive-developmental approach to present basic concepts and vocabulary, an overview of key issues and controversies, the scope of communicative difficulties that make up child language disorders, and information on how language pathologists approach the assessment and intervention processes. This new edition also features significant updates in research, trends, social skills assessment, and instruction best practices. Clinical application focus featuring case studies, clinical vignettes, and suggested projects helps you apply concepts to professional practice. UNIQUE! Practice exercises with sample transcripts allow you to apply different methods of analysis. UNIQUE! Helpful study guides at the end of each chapter help you review and apply what you have learned. Highly regarded lead author who is an expert in language disorders in children provides authoritative guidance on the diagnosis and management of pediatric language disorders. More than 230 tables and boxes summarize important information such as dialogue examples, sample assessment plans, assessment and intervention principles, activities, and sample transcripts. Student/Professional Resources on Evolve include an image bank, video clips, and references linked to PubMed. NEW! Common core standards for language arts incorporated into the preschool and school-age chapters. NEW! Updated content features the latest research, theories, trends and techniques in the field. Information on preparing high-functioning students with autism for college Social skills training for students with autism The role of the speech-language pathologist on school literacy teams and in response to intervention Emerging theories of etiology and psychopathology added to Models of Child Language Disorders chapter Use of emerging technologies for assessment and intervention
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