Multi-wave Electromagnetic-Acoustic Sensing and Imaging PDF Download
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Author: Fei Gao
Publisher: Springer
ISBN: 9811037167
Category : Technology & Engineering
Languages : en
Pages : 169
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Book Description
This thesis covers a broad range of interdisciplinary topics concerning electromagnetic-acoustic (EM-Acoustic) sensing and imaging, mainly addressing three aspects: fundamental physics, critical biomedical applications, and sensing/imaging system design. From the fundamental physics perspective, it introduces several highly interesting EM-Acoustic sensing and imaging methods, which can potentially provide higher sensitivity, multi-contrast capability, and better imaging performance with less distortion. From the biomedical applications perspective, the thesis introduces useful techniques specifically designed to address selected challenging biomedical applications, delivering rich contrast, higher sensitivity and finer spatial resolution. Both phantom and ex vivo experiments are presented, and in vivo validations are progressing towards real clinical application scenarios. From the sensing and imaging system design perspective, the book proposes several promising sensing/imaging prototypes. Further, it offers concrete suggestions that could bring these systems closer to becoming “real” products and commercialization, such as replacing costly lasers with portable laser diodes, or integrating transmitting and data recording on a single board.
Author: Fei Gao
Publisher: Springer
ISBN: 9811037167
Category : Technology & Engineering
Languages : en
Pages : 169
Get Book Here
Book Description
This thesis covers a broad range of interdisciplinary topics concerning electromagnetic-acoustic (EM-Acoustic) sensing and imaging, mainly addressing three aspects: fundamental physics, critical biomedical applications, and sensing/imaging system design. From the fundamental physics perspective, it introduces several highly interesting EM-Acoustic sensing and imaging methods, which can potentially provide higher sensitivity, multi-contrast capability, and better imaging performance with less distortion. From the biomedical applications perspective, the thesis introduces useful techniques specifically designed to address selected challenging biomedical applications, delivering rich contrast, higher sensitivity and finer spatial resolution. Both phantom and ex vivo experiments are presented, and in vivo validations are progressing towards real clinical application scenarios. From the sensing and imaging system design perspective, the book proposes several promising sensing/imaging prototypes. Further, it offers concrete suggestions that could bring these systems closer to becoming “real” products and commercialization, such as replacing costly lasers with portable laser diodes, or integrating transmitting and data recording on a single board.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 297
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Book Description
Author: Joshua Beil
Publisher:
ISBN: 9781975739805
Category :
Languages : en
Pages : 154
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Book Description
This thesis covers a broad range of interdisciplinary topics concerning electromagnetic-acoustic (EM-Acoustic) sensing and imaging, mainly addressing three aspects: fundamental physics, critical biomedical applications, and sensing/imaging system design. From the fundamental physics perspective, it introduces several highly interesting EM-Acoustic sensing and imaging methods, which can potentially provide higher sensitivity, multi-contrast capability, and better imaging performance with less distortion. From the biomedical applications perspective, the thesis introduces useful techniques specifically designed to address selected challenging biomedical applications, delivering rich contrast, higher sensitivity and finer spatial resolution. Both phantom and ex vivo experiments are presented, and in vivo validations are progressing towards real clinical application scenarios.
Author: Osvaldo Olivar
Publisher:
ISBN: 9781974383542
Category :
Languages : en
Pages : 154
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Book Description
This thesis covers a broad range of interdisciplinary topics concerning electromagnetic-acoustic (EM-Acoustic) sensing and imaging, mainly addressing three aspects: fundamental physics, critical biomedical applications, and sensing/imaging system design. From the fundamental physics perspective, it introduces several highly interesting EM-Acoustic sensing and imaging methods, which can potentially provide higher sensitivity, multi-contrast capability, and better imaging performance with less distortion. From the biomedical applications perspective, the thesis introduces useful techniques specifically designed to address selected challenging biomedical applications, delivering rich contrast, higher sensitivity and finer spatial resolution. Both phantom and ex vivo experiments are presented, and in vivo validations are progressing towards real clinical application scenarios. From the sensing and imaging system design perspective, the book proposes several promising sensing imaging prototypes.
Author: Yingping Li
Publisher: John Wiley & Sons
ISBN: 1119521793
Category : Science
Languages : en
Pages : 324
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Book Description
A comprehensive handbook on state-of-the-art DAS technology and applications Distributed Acoustic Sensing (DAS) is a technology that records sound and vibration signals along a fiber optic cable. Its advantages of high resolution, continuous, and real-time measurements mean that DAS systems have been rapidly adopted for a range of applications, including hazard mitigation, energy industries, geohydrology, environmental monitoring, and civil engineering. Distributed Acoustic Sensing in Geophysics: Methods and Applications presents experiences from both industry and academia on using DAS in a range of geophysical applications. Volume highlights include: DAS concepts, principles, and measurements Comprehensive review of the historical development of DAS and related technologies DAS applications in hydrocarbon, geothermal, and mining industries DAS applications in seismology DAS applications in environmental and shallow geophysics The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.
Author: Hua Lee
Publisher: CRC Press
ISBN: 1498788289
Category : Technology & Engineering
Languages : en
Pages : 99
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Book Description
For complex operating modalities and dimensionalities, the design and development of high-performance sensing and imaging systems represent the most direct and significant advances in the field of system analysis and signal processing. In this field, the core components are physical modeling, mathematical analysis, formulation of image reconstructi
Author: Hua Lee
Publisher: CRC Press
ISBN: 1498725740
Category : Technology & Engineering
Languages : en
Pages : 131
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Book Description
For complex operating modalities and dimensionalities, the design and development of high-performance sensing and imaging systems represent the most direct and significant advances in the field of system analysis and signal processing. In this field, the core components are physical modeling, mathematical analysis, formulation of image reconstructi
Author: John A. Richards
Publisher: Springer Science & Business Media
ISBN: 3642020208
Category : Technology & Engineering
Languages : en
Pages : 376
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Book Description
This book is concerned with remote sensing based on the technology of imaging radar. It assumes no prior knowledge of radar on the part of the reader, commencing with a treatment of the essential concepts of microwave imaging and progressing through to the development of multipolarisation and interferometric radar, modes which underpin contemporary applications of the technology. The use of radar for imaging the earth’s surface and its resources is not recent. Aircraft-based microwave systems were operating in the 1960s, ahead of optical systems that image in the visible and infrared regions of the spectrum. Optical remote sensing was given a strong impetus with the launch of the first of the Landsat series of satellites in the mid 1970s. Although the Seasat satellite launched in the same era (1978) carried an imaging radar, it operated only for about 12 months and there were not nearly so many microwave systems as optical platforms in service during the 1980s. As a result, the remote sensing community globally tended to develop strongly around optical imaging until Shuttle missions in the early to mid 1980s and free-flying imaging radar satellites in the early to mid 1990s became available, along with several sophisticated aircraft platforms. Since then, and particularly with the unique capabilities and flexibility of imaging radar, there has been an enormous surge of interest in microwave imaging technology. Unlike optical imaging, understanding the theoretical underpinnings of imaging radar can be challenging, particularly when new to the field.
Author:
Publisher:
ISBN: 9780852965757
Category : Acoustic imaging
Languages : en
Pages : 297
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 98
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Book Description
Distributed Acoustic Sensing (DAS) is a relatively new technology that uses a fiber-optic cable as a sensor. DAS got its start in the energy industry for borehole monitoring and more recently has started being used in horizontal arrays. The DAS technique senses strain rates every 1 m over distances of up to 100 km of cable length with sampling rates as fast as 100 kHz. This dissertation uses a horizontal DAS array in Southern California to evaluate the use of DAS for imaging near-surface geology and monitoring traffic. The first chapter uses Multichannel Analysis of Surface Waves to evaluate the response of DAS to surface waves. Dispersion curves from the DAS array match well with results from 1) other instruments at the site, 2) ambient noise correlation functions using the same DAS array, and 3) previous studies at the site. The second chapter uses the DAS array to create 2D tomographic images of the site for a number of pixel sizes and the directional sensitivity of DAS is discussed. The third chapter explores the possibility of using DAS for traffic monitoring. Vehicle counts, relative amplitudes, and velocities are identified and prove DAS could be used for traffic monitoring.
