Numerical Solution Of Full Wave Equation With Mode Coupling
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Numerical Solution Of Full Wave Equation With Mode Coupling
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Author : Yuji Inoue
language : en
Publisher:
Release Date : 1966
Numerical Solution Of Full Wave Equation With Mode Coupling written by Yuji Inoue and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Electromagnetic waves categories.
A new method for the numerical solution of the wave equation governing the propagation of electromagnetic waves in a horizontally stratified, inhomogeneous, anisotropic layer is described. The wave equation is a homogeneous set of four linear differential equations of the first order. In the computer calculation, all singularities of the wave equation are removed in practical cases and a proper step-size based on the gradients of the medium properties is programmed automatically. The multiplicative nature of the solutions facilitates the procedure. Modification of solutions from one height to another is expressed in explicit form on the assumption that the propagation tensor varies linearly with height in each step of integration. In the mathematical development, matrix operations are extensively used in order to achieve a general representation. Four independent solutions of the wave equation are derived. During an ordinary integration for an inhomogeneous medium, a degradation occurs inevitably in the degree of linear independence among special solutions. This cause is analyzed. To obtain a complete set of special solutions with good linear independence, a particular device is developed for general applications. This method has been programmed for computer calculation by an IBM 7090. The resultant wave fields and wave polarizations for the independent modes are shown for a model ionosphere. The resultant wave is described as a 'scrambling' of four characteristic waves. The 'scrambling' state is visualized at each height. (Author).
Numerical Solution Of Full Wave Equation With Mode Coupling
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Author : Yuji Inoue
language : en
Publisher:
Release Date : 1966
Numerical Solution Of Full Wave Equation With Mode Coupling written by Yuji Inoue and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Electromagnetic waves categories.
A new method for the numerical solution of the wave equation governing the propagation of electromagnetic waves in a horizontally stratified, inhomogeneous, anisotropic layer is described. The wave equation is a homogeneous set of four linear differential equations of the first order. In the computer calculation, all singularities of the wave equation are removed in practical cases and a proper step-size based on the gradients of the medium properties is programmed automatically. The multiplicative nature of the solutions facilitates the procedure. Modification of solutions from one height to another is expressed in explicit form on the assumption that the propagation tensor varies linearly with height in each step of integration. In the mathematical development, matrix operations are extensively used in order to achieve a general representation. Four independent solutions of the wave equation are derived. During an ordinary integration for an inhomogeneous medium, a degradation occurs inevitably in the degree of linear independence among special solutions. This cause is analyzed. To obtain a complete set of special solutions with good linear independence, a particular device is developed for general applications. This method has been programmed for computer calculation by an IBM 7090. The resultant wave fields and wave polarizations for the independent modes are shown for a model ionosphere. The resultant wave is described as a 'scrambling' of four characteristic waves. The 'scrambling' state is visualized at each height. (Author).
Numerical Solution Of Wave Equations For Long Wavelength Radio Waves
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Author : Samuel Horowitz
language : en
Publisher:
Release Date : 1971
Numerical Solution Of Wave Equations For Long Wavelength Radio Waves written by Samuel Horowitz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Atmospheric models categories.
The long wavelength reflection coefficients for a day and night horizontally stratified model ionosphere are calculated by integrating the governing differential equations. The wave fields inside the ionosphere and the group height are also illustrated. This is useful when the measured reflection or conversion coefficients show unexpected features and a detailed examination of these wave fields may lead to a physical insight of the origin of such features. The compute time is 200 horizontally stratified slabs per second on a CDC 6600. (Author).
Technical Abstract Bulletin
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Author :
language : en
Publisher:
Release Date :
Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Science categories.
Relative Attenuation Of Tm Te Waves Propagating In The Earth Ionosphere Waveguide
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Author : Paul A. Kossey
language : en
Publisher:
Release Date : 1972
Relative Attenuation Of Tm Te Waves Propagating In The Earth Ionosphere Waveguide written by Paul A. Kossey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Ionospheric radio wave propagation categories.
Environmental Research Papers
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Author :
language : en
Publisher:
Release Date :
Environmental Research Papers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Environmental geology categories.
Ot Report
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Author : United States. Department of Commerce. Office of Telecommunications
language : en
Publisher:
Release Date : 1973
Ot Report written by United States. Department of Commerce. Office of Telecommunications and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Telecommunication categories.
Powerflux I
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Author : E. A. Lewis
language : en
Publisher:
Release Date : 1975
Powerflux I written by E. A. Lewis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Integral equations categories.
A simple integral formulation is given for the radio wave power propagating between the curved earth and the ionosphere for the case of low frequency transmitters on the surface of the earth. By making assumptions about the vertical field profiles, the field strengths at arbitrary distances and altitudes can be estimated. Field strength versus distance predictions are compared with published mode and wave-hop calculations and with experimental data.
Lf Transmitting Antennas For A Protected Null Zone Application
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Author : John L. Heckscher
language : en
Publisher:
Release Date : 1975
Lf Transmitting Antennas For A Protected Null Zone Application written by John L. Heckscher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Antenna arrays categories.
The suitability of two candidate LF transmitting arrays for a specific point-to-point communication link is assessed subject to a null zone requirement. Critical parameters are identified, and calculations are made based on both given and estimated parameters. Limitations of available information are discussed, and approaches are suggested for obtaining additional experimental data.
Instrumentation Papers
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Author :
language : en
Publisher:
Release Date :
Instrumentation Papers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Aeronautical instruments categories.