Exploitation Of A Ship S Magnetic Field Signatures
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Exploitation of a Ship’s Magnetic Field Signatures
"Exploitation of a Ship’s Magnetic Field Signatures" by John Holmes is a groundbreaking exploration of naval technology and strategic warfare. Holmes delves into the intricate realm of magnetic field signatures emanating from ships, unraveling their implications for military operations and defense systems. The book meticulously examines how adversaries can exploit these magnetic signatures for tactical advantage or to devise countermeasures. Holmes, with authoritative expertise, offers insights into the implications for naval tactics, submarine warfare, and the development of magnetic signature mitigation technologies. This work stands as an indispensable guide for naval professionals, defense analysts, and technology enthusiasts, providing a thorough understanding of the nuanced interplay between magnetic fields and maritime security. As a seminal contribution to the field, Holmes' work navigates the complex waters of magnetic signature exploitation, making it a must-read for anyone seeking a deeper comprehension of naval strategy and modern defense mechanisms.
Exploitation of a Ship's Magnetic Field Signatures
Author: John J. Holmes
language: en
Publisher: Morgan & Claypool Publishers
Release Date: 2006
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. In this book, author John Holmes presents the generating mechanism of the four major shipboard sources of magnetic fields, along with a detailed description of the induced and permanent ferromagnetic signature characteristics.Holmes presents a brief historical summary of magnetic naval mine development during World War II followed by a discussion of important improvements found in modern weapons, including an explanation of the damage mechanism for non-contact explosions. This is followed by a brief historical discussion of underwater and airborne submarine surveillance systems and magnetic field sensing principles, in which mathematical formulations are presented for computing expected target signal strengths and noise levels for several barrier types.Also outlined is a multi-layered defensive strategy against naval mines, with graphical explanations of the relationships between ship signature reduction and minefield clearing effectiveness. Equations for estimating geomagnetic, ocean surface wave, platform, and vector sensor motion noises are presented along with simple algorithms for their reduction.
Reduction of a Ship's Magnetic Field Signatures
Decreasing the magnetic field signature of a naval vessel will reduce its susceptibility to detonating naval influence mines and the probability of a submarine being detected by underwater barriers and maritime patrol aircraft. Both passive and active techniques for reducing the magnetic signatures produced by a vessel's ferromagnetism, roll-induced eddy currents, corrosion-related sources, and stray fields are presented. Mathematical models of simple hull shapes are used to predict the levels of signature reduction that might be achieved through the use of alternate construction materials. Also, the process of demagnetizing a steel-hulled ship is presented, along with the operation of shaft-grounding systems, paints, and alternate configurations for power distribution cables. In addition, active signature reduction technologies are described, such as degaussing and deamping, which attempt to cancel the fields surrounding a surface ship or submarine rather than eliminate its source. Table of Contents: Introduction / Passive Magnetic Silencing Techniques / Active Signature Compensation / Summary