Passive Acoustic Imaging And Monitoring Using Ambient Noise
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Passive Acoustic Imaging And Monitoring Using Ambient Noise
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Author : Shane W. Lani
language : en
Publisher:
Release Date : 2012
Passive Acoustic Imaging And Monitoring Using Ambient Noise written by Shane W. Lani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Ambient sounds categories.
An approximate of the Green's function can be obtained by taking the cross-correlation of ambient noise that has been simultaneously recorded on separate sensors. This method is applied for two experiments, which illustrate the advantages and challenges of this technique. The first experiment is in the ultrasonic regime [5-30] MHz and uses capacitive micromachined ultrasonic transducer arrays to image the near field and compares the passive imaging to the conventional pulse-echo imaging. Both the array and target are immersed in a fluid with the sensors recording the fluid's random thermal-mechanical motion as the ambient noise. The second experiment is a passive ocean monitoring experiment, which uses spatiotemporal filtering to rapidly extract coherent arrivals between two vertical line arrays. In this case the ambient noise in the frequency band [250 1500] Hz is dominated by non-stationary shipping noise. For imaging purposes, the cross-correlation needs to extract the Green's function so that the imaging can be done correctly. While for monitoring purposes, the important feature is the change in arrivals, which corresponds to the environment changing. Results of both experiments are presented along with the advantages of this passive method over the more accepted active methods.
Passive Acoustic Monitoring Of Cetaceans
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Author : Walter M. X. Zimmer
language : en
Publisher: Cambridge University Press
Release Date : 2011-04-21
Passive Acoustic Monitoring Of Cetaceans written by Walter M. X. Zimmer and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-21 with Science categories.
Passive acoustic monitoring is increasingly used by the scientific community to study, survey and census marine mammals, especially cetaceans, many of which are easier to hear than to see. PAM is also used to support efforts to mitigate potential negative effects of human activities such as ship traffic, military and civilian sonar and offshore exploration. Walter Zimmer provides an integrated approach to PAM, combining physical principles, discussion of technical tools and application-oriented concepts of operations. Additionally, relevant information and tools necessary to assess existing and future PAM systems are presented, with Matlab code used to generate figures and results so readers can reproduce data and modify code to analyse the impact of changes. This allows the principles to be studied whilst discovering potential difficulties and side effects. Aimed at graduate students and researchers, the book provides all information and tools necessary to gain a comprehensive understanding of this interdisciplinary subject.
Acoustic Daylight
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Author : Chad Lawrence Epifanio
language : en
Publisher:
Release Date : 1997
Acoustic Daylight written by Chad Lawrence Epifanio and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Ocean sounds categories.
Distributed Acoustic Sensing In Geophysics
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Author : Yingping Li
language : en
Publisher: John Wiley & Sons
Release Date : 2022-01-26
Distributed Acoustic Sensing In Geophysics written by Yingping Li and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-26 with Science categories.
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.
Seismic Ambient Noise
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Author : Nori Nakata
language : en
Publisher: Cambridge University Press
Release Date : 2019-03-21
Seismic Ambient Noise written by Nori Nakata and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-21 with Nature categories.
A comprehensive overview of seismic ambient noise, covering observations, physical origins, modelling, processing methods and applications in imaging and monitoring.
European Workshop On Structural Health Monitoring
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Author : Piervincenzo Rizzo
language : en
Publisher: Springer Nature
Release Date : 2021-01-10
European Workshop On Structural Health Monitoring written by Piervincenzo Rizzo and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-10 with Technology & Engineering categories.
This volume gathers the latest advances, innovations, and applications in the field of structural health monitoring (SHM) and more broadly in the fields of smart materials and intelligent systems. The volume covers highly diverse topics, including signal processing, smart sensors, autonomous systems, remote sensing and support, UAV platforms for SHM, Internet of Things, Industry 4.0, and SHM for civil structures and infrastructures. The contributions, which are published after a rigorous international peer-review process, highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaboration among different specialists. The contents of this volume reflect the outcomes of the activities of EWSHM (European Workshop on Structural Health Monitoring) in 2020.
Fisheries Acoustics
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Author : Gaurav Shekhar
language : en
Publisher: Educohack Press
Release Date : 2025-02-20
Fisheries Acoustics written by Gaurav Shekhar and has been published by Educohack Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-02-20 with Science categories.
"Fisheries Acoustics: Understanding Aquatic Environments" takes you on a captivating journey into the hidden world beneath the waves. This comprehensive guide helps readers appreciate the intricate ecosystems thriving in the ocean's depths. We offer a unique perspective on the wonders of marine life. From vibrant coral reefs to mysterious deep-sea trenches, each chapter explores different underwater ecosystems, revealing the diversity of life forms and the interconnectedness of marine environments. Starting with the fundamental principles of marine life, we provide essential background knowledge for understanding the complex interactions that shape underwater ecosystems. Readers are taken on a virtual dive, exploring various underwater habitats and fascinating creatures. Stunning photography and detailed illustrations bring the underwater world to life, capturing the beauty and diversity of marine life. The book explains the crucial role of ocean life in maintaining Earth's biodiversity, regulating climate patterns, and providing valuable resources. Emphasizing conservation efforts, we highlight the importance of protecting fragile ecosystems from threats like pollution and overfishing. We also explore technological advancements revolutionizing our ability to study ocean depths. Whether you're a marine biologist or an ocean enthusiast, "Fisheries Acoustics: Understanding Aquatic Environments" offers a wealth of knowledge and inspiration.
Distributed Acoustic Sensing In Borehole Geophysics
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Author : Yingping Li
language : en
Publisher: John Wiley & Sons
Release Date : 2024-12-18
Distributed Acoustic Sensing In Borehole Geophysics written by Yingping Li and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-12-18 with Science categories.
Distributed Acoustic Sensing in Borehole Geophysics Borehole geophysics involves measuring, imaging, and monitoring subsurface structures and activities by putting instruments into wellbores. Distributed acoustic sensing (DAS) technology is emerging as an effective and reliable tool in borehole geophysics because fiber-optic cables deployed at depth can produce high-quality data and images, even in harsh high-temperature and high-pressure environments. Distributed Acoustic Sensing in Borehole Geophysics is a comprehensive handbook on cutting-edge advances in borehole DAS technologies and their practical applications across geophysics. Volume highlights include: Summary of the evolution of DAS technologies and their primary applications New developments in borehole DAS instrumentation and modeling Examples of DAS data acquisition and processing in different contexts Variety of imaging methods and techniques for integration of images with other data Applications of borehole DAS systems, including monitoring earthquakes and hydraulic fracturing operations Case studies of borehole DAS projects at diverse sites around the world, ranging from glaciers to geothermal fields 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.
Oceanography And Marine Biology
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Author : S. J. Hawkins
language : en
Publisher: CRC Press
Release Date : 2020-11-15
Oceanography And Marine Biology written by S. J. Hawkins and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-15 with Science categories.
Oceanography and Marine Biology: An Annual Review remains one of the most cited sources in marine science and oceanography. The ever-increasing interest in work in oceanography and marine biology and its relevance to global environmental issues, especially global climate change and its impacts, creates a demand for authoritative refereed reviews summarizing and synthesizing the results of recent research. For more than 50 years, OMBAR has been an essential reference for research workers and students in all fields of marine science. If you are interested in submitting a review for consideration for publication in OMBAR, please email the Editor in Chief, Stephen Hawkins, at [email protected]. This volume considers such diverse topics as optimal design for ecosystem-level ocean observatories, the oceanography and ecology of Ningaloo, human pressures and the emergence of novel marine ecosystems and priority species to support the functional integrity of coral reefs. Six of the nine peer-reviewed contributions in Volume 58 are available to read Open Access via the links on the Routledge.com webpage. An international Editorial Board ensures global relevance and expert peer review, with editors from Australia, Canada, Hong Kong, Ireland, Singapore, South Africa and the United Kingdom. The series volumes find a place in the libraries of not only marine laboratories and oceanographic institutes, but also universities worldwide. Chapters 1, 2, 3, 4, 5, 7, and 8 of this book are freely available as downloadable Open Access PDFs at http://www.taylorfrancis.com under a Creative Commons Attribution-Non Commercial-No Derivatives (CC-BY-NC-ND) 4.0 license.
Innovation And Discoveries In Marine Soundscape Research
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Author : Bob Dziak
language : en
Publisher: Frontiers Media SA
Release Date : 2022-04-04
Innovation And Discoveries In Marine Soundscape Research written by Bob Dziak and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-04-04 with Science categories.