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New Way of Generating Electromagnetic Waves

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dc.contributor.authorHosseini-Fahraji, Alien
dc.contributor.authorManteghi, Majiden
dc.contributor.authorNgo, Khai D. T.en
dc.date.accessioned2021-02-18T17:14:17Zen
dc.date.available2021-02-18T17:14:17Zen
dc.date.issued2020-05en
dc.date.updated2021-02-18T17:14:15Zen
dc.description.abstractThis paper presents a new method for generating low-frequency electromagnetic waves for navigation and communication in challenging environments, such as underwater and underground. The main idea is to store magnetic energy in two different spaces using the interaction between a permanent magnet and a magnetic material. The magnetic reluctance of the medium around the permanent magnet is modulated to change the magnetic flux path. The nonlinear properties of magnetic material as a critical phenomenon are used for effective modulation. As a result, a time-variant field is generated by the modulation of the permanent magnet flux. This non-resonant time-variant characterization means that the transmitter is not bound to the fundamental limits of the antennas and can transmit higher data rates. A prototype transmitter as a prove-of-concept is designed and tested based on the proposed idea. Compared to the rotating magnet, the prototyped transmitter can modulate $50\%$ of the stored energy of the permanent magnet with much lower power consumption.en
dc.description.notes8 pages, 9 figuresen
dc.format.mimetypeapplication/pdfen
dc.identifier.orcidNgo, Khai [0000-0002-0326-3055]en
dc.identifier.orcidManteghi, Majid [0000-0002-1683-569X]en
dc.identifier.urihttp://hdl.handle.net/10919/102388en
dc.language.isoenen
dc.rightsIn Copyright (InC)en
dc.rightsThis Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).en
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectphysics.app-phen
dc.titleNew Way of Generating Electromagnetic Wavesen
dc.typeArticleen
dc.type.dcmitypeTexten
pubs.organisational-group/Virginia Tech/Engineeringen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Engineering/Electrical and Computer Engineeringen
pubs.organisational-group/Virginia Tech/Engineering/COE T&R Facultyen
pubs.organisational-group/Virginia Techen

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