Instrumentation to Determine the Presence and Acoustic Effect of Microbubbles Near the Sea Surface PDF Download
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Author: Pat D. C. Barnhouse
Publisher:
ISBN:
Category : Bubbles
Languages : en
Pages : 222
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Book Description
The acoustic effects of air bubbles in water have been the subject of much investigation and speculation since the early days of World War II. Preliminary investigations have indicated the probable presence of microbubbles in varying concentrations in the body of the ocean, but their distribution and effect has not been the subject of definitive measurement. The construction and evaluation of equipment for 'in situ' measurement of bubble size and distribution, and bubble-caused sound attenuation is discussed. The determination of bubble size and distribution by photographic means is described, and the superiority of a pulse technique in obtaining sound attenuation is demonstrated. (Author).
Author: Pat D. C. Barnhouse
Publisher:
ISBN:
Category : Bubbles
Languages : en
Pages : 222
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Book Description
The acoustic effects of air bubbles in water have been the subject of much investigation and speculation since the early days of World War II. Preliminary investigations have indicated the probable presence of microbubbles in varying concentrations in the body of the ocean, but their distribution and effect has not been the subject of definitive measurement. The construction and evaluation of equipment for 'in situ' measurement of bubble size and distribution, and bubble-caused sound attenuation is discussed. The determination of bubble size and distribution by photographic means is described, and the superiority of a pulse technique in obtaining sound attenuation is demonstrated. (Author).
Author: Naval Postgraduate School (U.S.)
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 502
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Book Description
Author: Herman Medwin
Publisher: Academic Press
ISBN: 0080532160
Category : Science
Languages : en
Pages : 739
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Book Description
The developments in the field of ocean acoustics over recent years make this book an important reference for specialists in acoustics, oceanography, marine biology, and related fields. Fundamentals of Acoustical Oceanography also encourages a new generation of scientists, engineers, and entrepreneurs to apply the modern methods of acoustical physics to probe the unknown sea. The book is an authoritative, modern text with examples and exercises. It contains techniques to solve the direct problems, solutions of inverse problems, and an extensive bibliography from the earliest use of sound in the sea to present references.Written by internationally recognized scientists, the book provides background to measure ocean parameters and processes, find life and objects in the sea, communicate underwater, and survey the boundaries of the sea. Fundamentals of Acoustical Oceanography explains principles of underwater sound propagation, and describes how both actively probing sonars and passively listening hydrophones can reveal what the eye cannot see over vast ranges of the turbid ocean. This book demonstrates how to use acoustical remote sensing, variations in sound transmission, in situ acoustical measurements, and computer and laboratory models to identify the physical and biological parameters and processes in the sea.* Offers an integrated, modern approach to passive and active underwater acoustics* Contains many examples of laboratory scale models of ocean-acoustic environments, as well as descriptions of experiments at sea* Covers remote sensing of marine life and the seafloor* Includes signal processing of ocean sounds, physical and biological noises at sea, and inversions* resents sound sources, receivers, and calibration* Explains high intensities; explosive waves, parametric sources, cavitation, shock waves, and streaming* Covers microbubbles from breaking waves, rainfall, dispersion, and attenuation* Describes sound propagation along ray paths and caustics* Presents sound transmissions and normal mode methods in ocean waveguides
Author: Herman Medwin
Publisher: Cambridge University Press
ISBN: 9780521829502
Category : Science
Languages : en
Pages : 682
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Book Description
Publisher Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 760
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Book Description
Author: Raymond William Barrow Stephens
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 288
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Book Description
This is an authoritative review of a number of aspects of Underwater Acoustics by leading workers in the field. The book stems from a course of lectures given at Imperial College London for postgraduate students in Engineering and Phyhsics as well as research workers in this subject.
Author:
Publisher:
ISBN:
Category : Underwater acoustics
Languages : en
Pages : 66
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 446
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Book Description
Author: Richard C. Dorf
Publisher: CRC Press
ISBN: 1420003089
Category : Technology & Engineering
Languages : en
Pages : 694
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Book Description
In two editions spanning more than a decade, The Electrical Engineering Handbook stands as the definitive reference to the multidisciplinary field of electrical engineering. Our knowledge continues to grow, and so does the Handbook. For the third edition, it has expanded into a set of six books carefully focused on a specialized area or field of study. Each book represents a concise yet definitive collection of key concepts, models, and equations in its respective domain, thoughtfully gathered for convenient access. Circuits, Signals, and Speech and Image Processing presents all of the basic information related to electric circuits and components, analysis of circuits, the use of the Laplace transform, as well as signal, speech, and image processing using filters and algorithms. It also examines emerging areas such as text-to-speech synthesis, real-time processing, and embedded signal processing. Each article includes defining terms, references, and sources of further information. Encompassing the work of the world's foremost experts in their respective specialties, Circuits, Signals, and Speech and Image Processing features the latest developments, the broadest scope of coverage, and new material on biometrics.
Author: Richard C. Dorf
Publisher: CRC Press
ISBN: 1420049755
Category : Technology & Engineering
Languages : en
Pages : 3627
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Book Description
In two editions spanning more than a decade, The Electrical Engineering Handbook stands as the definitive reference to the multidisciplinary field of electrical engineering. Our knowledge continues to grow, and so does the Handbook. For the third edition, it has grown into a set of six books carefully focused on specialized areas or fields of study. Each one represents a concise yet definitive collection of key concepts, models, and equations in its respective domain, thoughtfully gathered for convenient access. Combined, they constitute the most comprehensive, authoritative resource available. Circuits, Signals, and Speech and Image Processing presents all of the basic information related to electric circuits and components, analysis of circuits, the use of the Laplace transform, as well as signal, speech, and image processing using filters and algorithms. It also examines emerging areas such as text to speech synthesis, real-time processing, and embedded signal processing. Electronics, Power Electronics, Optoelectronics, Microwaves, Electromagnetics, and Radar delves into the fields of electronics, integrated circuits, power electronics, optoelectronics, electromagnetics, light waves, and radar, supplying all of the basic information required for a deep understanding of each area. It also devotes a section to electrical effects and devices and explores the emerging fields of microlithography and power electronics. Sensors, Nanoscience, Biomedical Engineering, and Instruments provides thorough coverage of sensors, materials and nanoscience, instruments and measurements, and biomedical systems and devices, including all of the basic information required to thoroughly understand each area. It explores the emerging fields of sensors, nanotechnologies, and biological effects. Broadcasting and Optical Communication Technology explores communications, information theory, and devices, covering all of the basic information needed for a thorough understanding of these areas. It also examines the emerging areas of adaptive estimation and optical communication. Computers, Software Engineering, and Digital Devices examines digital and logical devices, displays, testing, software, and computers, presenting the fundamental concepts needed to ensure a thorough understanding of each field. It treats the emerging fields of programmable logic, hardware description languages, and parallel computing in detail. Systems, Controls, Embedded Systems, Energy, and Machines explores in detail the fields of energy devices, machines, and systems as well as control systems. It provides all of the fundamental concepts needed for thorough, in-depth understanding of each area and devotes special attention to the emerging area of embedded systems. Encompassing the work of the world's foremost experts in their respective specialties, The Electrical Engineering Handbook, Third Edition remains the most convenient, reliable source of information available. This edition features the latest developments, the broadest scope of coverage, and new material on nanotechnologies, fuel cells, embedded systems, and biometrics. The engineering community has relied on the Handbook for more than twelve years, and it will continue to be a platform to launch the next wave of advancements. The Handbook's latest incarnation features a protective slipcase, which helps you stay organized without overwhelming your bookshelf. It is an attractive addition to any collection, and will help keep each volume of the Handbook as fresh as your latest research.
