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Exploitation of a ship's magnetic field signatures

Surface ship and submarine magnetic field signatures have been exploited for over 80 years by naval influence mines, and both underwater and airborne surveillance systems. The generating mechanism of the four major shipboard sources of magnetic fields is explained, along with a detailed description...

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Bibliographic Details
Main Author: Holmes, John J.
Format: Electronic
Language:English
Published: San Rafael, Calif. (1537 Fourth Street, San Rafael, CA 94901 USA) : Morgan & Claypool Publishers, c2006.
Edition:1st ed.
Series:Synthesis lectures on computational electromagnetics (Online), #9.
Subjects:
Magnetic fields.
Magnetism of ships.
Submarine mines.
Submarines (Ships)
Underwater surveillance.
Online Access:View fulltext via EzAccess
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100 1 # |a Holmes, John J. 
245 1 0 |a Exploitation of a ship's magnetic field signatures  |c John J. Holmes.  |h [electronic resource] / 
250 # # |a 1st ed. 
260 # # |a San Rafael, Calif. (1537 Fourth Street, San Rafael, CA 94901 USA) :  |b Morgan & Claypool Publishers,  |c c2006. 
300 # # |a 1 electronic text (ix, 67 p. : ill. (some col.)) :  |b digital file. 
490 1 # |a Synthesis lectures on computational electromagnetics,  |v #9  |x 1932-1716 ; 
500 # # |a Part of: Synthesis digital library of engineering and computer science. 
500 # # |a Title from PDF t.p. (viewed on Oct. 19, 2008). 
500 # # |a Series from website. 
504 # # |a Includes bibliographical references. 
505 0 # |a 1. Introduction -- 2. Shipboard sources of magnetic field -- 2.1. Evolution of the magnetic ship -- 2.2. Ferromagnetic signatures -- 2.3. Other important sources of magnetic field -- 3. Exploitation of magnetic signatures by naval mines -- 3.1. Evolution of the magnetic mine -- 3.2. Modern magnetic mine technologies -- 3.3. Magnetic mine countermeasures -- 4. Exploitation of magnetic signatures by submarine surveillance systems -- 4.1. Evolution of the submarine magnetic detection system -- 4.2. Magnetic harbor loops -- 4.3. Submarine barriers using triaxial magnetic field vector sensors -- 4.4. Submarine barriers using total field magnetometers -- 5. Summary. 
506 # # |a Abstract freely available; full-text restricted to subscribers or individual document purchasers. 
510 0 # |a Compendex 
510 0 # |a INSPEC 
510 0 # |a Google scholar 
510 0 # |a Google book search 
520 # # |a Surface ship and submarine magnetic field signatures have been exploited for over 80 years by naval influence mines, and both underwater and airborne surveillance systems. The generating mechanism of the four major shipboard sources of magnetic fields is explained, along with a detailed description of the induced and permanent ferromagnetic signature characteristics. A brief historical summary of magnetic naval mine development during World War II is followed by a discussion of important improvements found in modern weapons, including an explanation of the damage mechanism for non-contact explosions. A strategy for selecting an optimum mine actuation threshold is given. A multi-layered defensive strategy against naval mines is outlined, with graphical explanations of the relationships between ship signature reduction and minefield clearing effectiveness. In addition to a brief historical discussion of underwater and airborne submarine surveillance systems and magnetic field sensing principles, mathematical formulations are presented for computing the expected target signal strengths and noise levels for several barrier types. Besides the sensor self-noise, equations for estimating geomagnetic, ocean surface wave, platform, and vector sensor motion noises will be given along with simple algorithms for their reduction. 
530 # # |a Also available in print. 
538 # # |a Mode of access: World Wide Web. 
538 # # |a System requirements: Adobe Acrobat Reader. 
650 # 0 |a Magnetic fields. 
650 # 0 |a Magnetism of ships. 
650 # 0 |a Submarine mines. 
650 # 0 |a Submarines (Ships) 
650 # 0 |a Underwater surveillance. 
690 # # |a Magnetic anomaly detection. 
690 # # |a Magnetic signatures. 
690 # # |a Naval mines. 
690 # # |a Submarine surveillance. 
730 0 # |a Synthesis digital library of engineering and computer science. 
830 # 0 |a Synthesis lectures on computational electromagnetics (Online),  |v #9.  |x 1932-1716 ; 
856 4 2 |u https://ezaccess.library.uitm.edu.my/login?url=http://dx.doi.org/10.2200/S00034ED1V01Y200605CEM009  |z View fulltext via EzAccess 

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