RING: An integral equation algorithm for HF-VHF radio wave propagation over irregular, inhomogeneous terrain

A modification in the mathematical derivation of an integral equation for propagation over irregular, inhomogeneous terrain and a numerically stable algorithm, RING, is developed to extend the frequency range of program WAGNER to frequencies in the VHF region. The solution to the integral equation i...

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Published inRadio science Vol. 27; no. 6; pp. 867 - 882
Main Author Ott, R. H.
Format Journal Article
LanguageEnglish
Published Washington, DC Blackwell Publishing Ltd 01.11.1992
American Geophysical Union
Subjects
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ISSN0048-6604
1944-799X
DOI10.1029/92RS01778

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Abstract A modification in the mathematical derivation of an integral equation for propagation over irregular, inhomogeneous terrain and a numerically stable algorithm, RING, is developed to extend the frequency range of program WAGNER to frequencies in the VHF region. The solution to the integral equation is compared to residue theory and Fock theory and excellent agreement is obtained.
AbstractList A modification in the mathematical derivation of an integral equation for propagation over irregular, inhomogeneous terrain and a numerically stable algorithm, RING, is developed to extend the frequency range of program WAGNER to frequencies in the VHF region. The solution to the integral equation is compared to residue theory and Fock theory and excellent agreement is obtained.
Author Ott, R. H.
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Cites_doi 10.1029/RS005i005p00767
10.1049/el:19660148
10.1029/RS006i004p00429
10.1109/TAP.1974.1140770
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Issue 6
Keywords Radio wave
Very high frequency
Wave attenuation
Wave propagation
Integral equation
High frequency
Green function
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References Hacking, K., Approximate methods for calculating multiple diffraction losses, Electron. Lett., 2, 179-180, 1966.
Hacking, K., UHF propagatoin over rounded hills, Proc. IEEE, 1173, 499-511, 1970.
Fock, V. A., Electromagnetic Diffraction and Propagation Problems,Pergamon,New York, p.206, equation 5.13,1965.
Ott, R. H., Fock currents for concave surfaces, IEEE Trans. Antennas Propag., AP-222, 357-360, 1974.
Ott, R. H., An alternative integral equation for propagation over irregular terrain, Radio Sci., 55, 767-771, 1970.
Wait, J. R., Electromagnetic Surface Waves in Advances in Radio Research, 1J. Saxton, 157-217, Academic, San Diego, Calif., 1964.
Ott, R. H., L. A. Berry, An alternative integral equation for propagation over irregular terrain, Part 2, Radio Sci., 64, 429-435, 1971.
1965
1964; 1
1966; 2
1970; 117
1974; AP‐22
1970; 5
1971; 6
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e_1_2_1_5_1
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Fock V. A. (e_1_2_1_2_1) 1965
Hacking K. (e_1_2_1_4_1) 1970; 117
References_xml – reference: Ott, R. H., Fock currents for concave surfaces, IEEE Trans. Antennas Propag., AP-222, 357-360, 1974.
– reference: Hacking, K., UHF propagatoin over rounded hills, Proc. IEEE, 1173, 499-511, 1970.
– reference: Ott, R. H., An alternative integral equation for propagation over irregular terrain, Radio Sci., 55, 767-771, 1970.
– reference: Hacking, K., Approximate methods for calculating multiple diffraction losses, Electron. Lett., 2, 179-180, 1966.
– reference: Ott, R. H., L. A. Berry, An alternative integral equation for propagation over irregular terrain, Part 2, Radio Sci., 64, 429-435, 1971.
– reference: Fock, V. A., Electromagnetic Diffraction and Propagation Problems,Pergamon,New York, p.206, equation 5.13,1965.
– reference: Wait, J. R., Electromagnetic Surface Waves in Advances in Radio Research, 1J. Saxton, 157-217, Academic, San Diego, Calif., 1964.
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– volume: 1
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– start-page: 206
  volume-title: Electromagnetic Diffraction and Propagation Problems
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SubjectTerms Algorithms
Applied sciences
Derivation
Exact sciences and technology
Frequency ranges
Integral equations
Mathematical models
Propagation through the atmosphere
Radiocommunications
Radiowave propagation
Rings (mathematics)
Telecommunications
Telecommunications and information theory
Terrain
Wave propagation
Title RING: An integral equation algorithm for HF-VHF radio wave propagation over irregular, inhomogeneous terrain
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