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Transmission line models for describing the behavior of certain magnon-phonon modes in ferrites are developed. The analogies between magnon-phonon and transmission line variables apply to other modes as well. Models for circularly polarized shear waves and magnons are described in detail. Voltage and current variables are defined in terms of magnetic and mechanical variables and the distributed transmission line elements are related to 'material' parameters. Some examples of the use of the models are given. (Author).
Book Synopsis Transmission Line Models of Magnon-phonon Modes in Ferrites by : James C. Sethares
Download or read book Transmission Line Models of Magnon-phonon Modes in Ferrites written by James C. Sethares and published by . This book was released on 1966 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transmission line models for describing the behavior of certain magnon-phonon modes in ferrites are developed. The analogies between magnon-phonon and transmission line variables apply to other modes as well. Models for circularly polarized shear waves and magnons are described in detail. Voltage and current variables are defined in terms of magnetic and mechanical variables and the distributed transmission line elements are related to 'material' parameters. Some examples of the use of the models are given. (Author).
Transmission line models for describing the behavior of certain magnon-phonon modes in ferrites are developed. The analogies between magnon-phonon and transmission line variables apply to other modes as well. Models for circularly polarized shear waves and magnons are described in detail. Voltage and current variables are defined in terms of magnetic and mechanical variables and the distributed transmission line elements are related to 'material' parameters. Some examples of the use of the models are given. (Author)
Book Synopsis Transmission Line Models of Magnon-Phonon Modes in Ferrites by : James C. Sethares
Download or read book Transmission Line Models of Magnon-Phonon Modes in Ferrites written by James C. Sethares and published by . This book was released on 1966 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transmission line models for describing the behavior of certain magnon-phonon modes in ferrites are developed. The analogies between magnon-phonon and transmission line variables apply to other modes as well. Models for circularly polarized shear waves and magnons are described in detail. Voltage and current variables are defined in terms of magnetic and mechanical variables and the distributed transmission line elements are related to 'material' parameters. Some examples of the use of the models are given. (Author)
In AD-641 638 uncoupled transmission line models for circularly-polarized shear waves and magnons in ferrites are described. Voltage and current variables are defined in terms of magnetic and mechanical variables and line elements are related to magnon-phonon parameters. Three models of coupled modes are now developed. The models are analytically equivalent but they differ in their physical interpretation. One model uses controlled sources as the coupling elements, and another uses a distributed transformer. Coupling in the final model is accounted for by line element modifications in the presence of mutual coupling. Boundary conditions for the distributed transformer coupling model are given. They include capacitive terminations on the magnetic line, a lumped transformer between magnetic and acoustic lines, and the loading of the combined system with a third acoustic line. These boundary conditions account for arbitrary acoustic loading of the magneto-acoustic media by a phonon supporting substrate and a range of boundary conditions between pinned and unpinned spin for the magnetic system. Distributed and nondistributed externally controlled sources may be placed anywhere in the coupled system. A Poyntings-type theorem for each model and expressions for group velocity, magneto-elastic resonant frequencies, and Q's are derived. A brief summary and conclusion which discusses various aspects of the coupled transmission line models is given. (Author).
Book Synopsis Transmission Line Models of Magnon-Phonon Modes in Ferrites by : James C. Sethares
Download or read book Transmission Line Models of Magnon-Phonon Modes in Ferrites written by James C. Sethares and published by . This book was released on 1967 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: In AD-641 638 uncoupled transmission line models for circularly-polarized shear waves and magnons in ferrites are described. Voltage and current variables are defined in terms of magnetic and mechanical variables and line elements are related to magnon-phonon parameters. Three models of coupled modes are now developed. The models are analytically equivalent but they differ in their physical interpretation. One model uses controlled sources as the coupling elements, and another uses a distributed transformer. Coupling in the final model is accounted for by line element modifications in the presence of mutual coupling. Boundary conditions for the distributed transformer coupling model are given. They include capacitive terminations on the magnetic line, a lumped transformer between magnetic and acoustic lines, and the loading of the combined system with a third acoustic line. These boundary conditions account for arbitrary acoustic loading of the magneto-acoustic media by a phonon supporting substrate and a range of boundary conditions between pinned and unpinned spin for the magnetic system. Distributed and nondistributed externally controlled sources may be placed anywhere in the coupled system. A Poyntings-type theorem for each model and expressions for group velocity, magneto-elastic resonant frequencies, and Q's are derived. A brief summary and conclusion which discusses various aspects of the coupled transmission line models is given. (Author).
Book Synopsis U.S. Government Research & Development Reports by :
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1966-11 with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis OAR Cumulative Index of Research Results by : United States. Air Force. Office of Aerospace Research
Download or read book OAR Cumulative Index of Research Results written by United States. Air Force. Office of Aerospace Research and published by . This book was released on 1965 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
This bibliography lists all in-house reports, journal articles, and contractor reports issued from 1 July 1966 to 30 September 1967. Part I lists all in-house reports by the series in which they were issued; Part II lists all in-house reports, journal articles, and contractor reports by the Laboratory responsible for their preparation. In Part I, the reports are listed numerically by series; in Part II, in-house reports and journal articles are listed alphabetically by author, and contractor reports are listed numerically by the AFCRL report number.
Book Synopsis Bibliography of AFCRL Publications from 1 July 1966 to 30 September 1967 by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Bibliography of AFCRL Publications from 1 July 1966 to 30 September 1967 written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1968 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This bibliography lists all in-house reports, journal articles, and contractor reports issued from 1 July 1966 to 30 September 1967. Part I lists all in-house reports by the series in which they were issued; Part II lists all in-house reports, journal articles, and contractor reports by the Laboratory responsible for their preparation. In Part I, the reports are listed numerically by series; in Part II, in-house reports and journal articles are listed alphabetically by author, and contractor reports are listed numerically by the AFCRL report number.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1969 with total page 1508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report on Research at AFCRL. by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Report on Research at AFCRL. written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1965 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1967 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt:
