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Neural Net Processed Electronic Holography For Rotating Machines
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781720637813 Total Pages :66 pages Book Rating :4.6/5 (378 download)
Book Synopsis Neural-Net Processed Electronic Holography for Rotating Machines by : National Aeronautics and Space Administration (NASA)
Download or read book Neural-Net Processed Electronic Holography for Rotating Machines written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-03 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of an R&D effort to apply neural-net processed electronic holography to NDE of rotors. Electronic holography was used to generate characteristic patterns or mode shapes of vibrating rotors and rotor components. Artificial neural networks were trained to identify damage-induced changes in the characteristic patterns. The development and optimization of a neural-net training method were the most significant contributions of this work, and the training method and its optimization are discussed in detail. A second positive result was the assembly and testing of a fiber-optic holocamera. A major disappointment was the inadequacy of the high-speed-holography hardware selected for this effort, but the use of scaled holograms to match the low effective resolution of an image intensifier was one interesting attempt to compensate. This report also discusses in some detail the physics and environmental requirements for rotor electronic holography. The major conclusions were that neural-net and electronic-holography inspections of stationary components in the laboratory and the field are quite practical and worthy of continuing development, but that electronic holography of moving rotors is still an expensive high-risk endeavor.Decker, Arthur J.Glenn Research CenterNEURAL NETS; HOLOGRAPHY; ROTORS; NONDESTRUCTIVE TESTS; VIBRATION MODE; IMAGE INTENSIFIERS; FIBER OPTICS
Book Synopsis Neural-Net Processed Electronic Holography for Rotating Machines by :
Download or read book Neural-Net Processed Electronic Holography for Rotating Machines written by and published by . This book was released on 2003 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neural-Net Processing of Characteristic Patterns From Electronic Holograms of Vibrating Blades by :
Download or read book Neural-Net Processing of Characteristic Patterns From Electronic Holograms of Vibrating Blades written by and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neural-Net Based Optical NDE Method for Structural Health Monitoring by :
Download or read book Neural-Net Based Optical NDE Method for Structural Health Monitoring written by and published by . This book was released on 2003 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Vibrational Analysis of Engine Components Using Neural-Net Processing and Electronic Holography by :
Download or read book Vibrational Analysis of Engine Components Using Neural-Net Processing and Electronic Holography written by and published by . This book was released on 1997 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Digital Holography: Applications and Emerging Technologies by : Peter Wai Ming Tsang
Download or read book Digital Holography: Applications and Emerging Technologies written by Peter Wai Ming Tsang and published by Frontiers Media SA. This book was released on 2023-07-13 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the rapid growth of computing and display technologies, digital holography (DH) has undergone significant advancement in the past two decades. Contemporary research works have enabled holography, a technology which is originally intended for displaying three-dimensional (3-D) images, to be deployed in numerous scientific, engineering, and bio-medical applications. Notably, digital holography has been incorporated into quite a number of contemporary applications, such as, but limited to holographic cryptography, optical metrology, remote sensing and inspection, and more recently, quantum computing. The success attained with DH so far does not limit its development to its current state-of-the-art, but rather research on holography keeps on expanding, with new ideas and methods keep coming up in a sustainable manner. This Research Topic aims to collect representative works from experts in the field, with the aim of providing an insight on the overall picture on digital holography, as well as reporting existing methodologies and emerging technologies that are likely to have strong impact on future research directions. Participating in the Research Topic, either as authors or readers, also facilitates establishing a platform for researchers to network, and to share their knowledge.
Book Synopsis Optical Diagnostics for Fluids, Solids, and Combustion by :
Download or read book Optical Diagnostics for Fluids, Solids, and Combustion written by and published by . This book was released on 2003 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neural-Net Processed Characteristic Patterns for Measurement of Structural Integrity of Pressure Cycled Components by :
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Book Synopsis Digital Holography: Techniques and Applications by : Liangcai Cao
Download or read book Digital Holography: Techniques and Applications written by Liangcai Cao and published by Frontiers Media SA. This book was released on 2022-11-16 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Neural Networks: Best Practice In Europe - Proceedings Of The Stichting Neurale Netwerken Conference 1997, Progre by : Bert Kappen
Download or read book Neural Networks: Best Practice In Europe - Proceedings Of The Stichting Neurale Netwerken Conference 1997, Progre written by Bert Kappen and published by World Scientific. This book was released on 1998-01-15 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: After the explosion of research on neural networks in the eighties, the nineties have seen a boom in industrial applications of neural networks. In contrast to the large output of publications in international neural network journals, which reflects the increase in neural network research, the large number of successful applications are less accessible. To make a survey of successful applications in industry in Europe, a project called SIENA was initiated with support from the European Community. The aim of SIENA was to assess the business impact of neural networks. Data were collected on both the supplier side and the end-user side of the market. In addition, case studies of successful 'money-making' applications using neural networks were gathered. This book contains detailed descriptions of some of the applications.
Book Synopsis Optoelectronics in Machine Vision-Based Theories and Applications by : Rivas-Lopez, Moises
Download or read book Optoelectronics in Machine Vision-Based Theories and Applications written by Rivas-Lopez, Moises and published by IGI Global. This book was released on 2018-08-17 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sensor technologies play a large part in modern life, as they are present in things like security systems, digital cameras, smartphones, and motion sensors. While these devices are always evolving, research is being done to further develop this technology to help detect and analyze threats, perform in-depth inspections, and perform tracking services. Optoelectronics in Machine Vision-Based Theories and Applications provides innovative insights on theories and applications of optoelectronics in machine vision-based systems. It also covers topics such as applications of unmanned aerial vehicle, autonomous and mobile robots, medical scanning, industrial applications, agriculture, and structural health monitoring. This publication is a vital reference source for engineers, technology developers, academicians, researchers, and advanced-level students seeking emerging research on sensor technologies and machine vision.
Book Synopsis Digital Holography by : Pascal Picart
Download or read book Digital Holography written by Pascal Picart and published by John Wiley & Sons. This book was released on 2013-01-24 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a substantial description of the principles and applications of digital holography. The first part of the book deals with mathematical basics and the linear filtering theory necessary to approach the topic. The next part describes the fundamentals of diffraction theory and exhaustively details the numerical computation of diffracted fields using FFT algorithms. A thorough presentation of the principles of holography and digital holography, including digital color holography, is proposed in the third part. A special section is devoted to the algorithms and methods for the numerical reconstruction of holograms. There is also a chapter devoted to digital holographic interferometry with applications in holographic microscopy, quantitative phase contrast imaging, multidimensional deformation investigations, surface shape measurements, fluid mechanics, refractive index investigations, synthetic aperture imaging and information encrypting. Keys so as to understand the differences between digital holography and speckle interferometry and examples of software for hologram reconstructions are also treated in brief. Contents 1. Mathematical Prerequisites. 2. The Scalar Theory of Diffraction. 3. Calculating Diffraction by Fast Fourier Transform. 4. Fundamentals of Holography. 5. Digital Off-Axis Fresnel Holography. 6. Reconstructing Wavefronts Propagated through an Optical System. 7. Digital Holographic Interferometry and Its Applications. Appendix. Examples of Digital Hologram Reconstruction Programs
Book Synopsis Nonlinear Vision: Determination of Neural Receptive Fields, Function, and Networks by : Robert B. Pinter
Download or read book Nonlinear Vision: Determination of Neural Receptive Fields, Function, and Networks written by Robert B. Pinter and published by CRC Press. This book was released on 2018-05-04 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text brings to vision research a treatment different from that often found in books on the subject in its emphasis on nonlinear aspects of vision, from human perception to eye cells of the fly. There is considerable emphasis on mathematics, which forms not only models but the algorithms for processing data.
Book Synopsis Optical Neural Networks by : Cornelia Denz
Download or read book Optical Neural Networks written by Cornelia Denz and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the next years neural networks and systems amenable to instructions will extend their influence in science and technology. A prominent point of interest in this field is assigned to optical networks: they are small and flexible, and due to their ability of parallel processing they are devoted to the construction of small systems. This monograph explains the fundamentals of optical neural networks to physicists, engineers and device constructors.
