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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v69.i19.60
pages 1751-1759

ON DIAGNOSTICS OF THE TROPOSPHERE UPON BEYOND‐THE‐HORIZON OCULTATIONS OF THE USW‐SOURCE

G. A. Alexeev
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine
M. V. Belobrova
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine

要約

The analysis of possibility of determining the altitude gradient of the troposphere refraction factor upon the altitude and range gradients of the attenuation factor of the USW signal in the domain of shadow or half‐shadow of the satellite radio‐wave radiation path of the Earth atmosphere is contained in this paper. Numerical calculation of spatial gradients of the attenuation factor of the diffraction field is performed for the case of linear variation of the refraction factor with the altitude. Exact ratios, taking into account the electromagnetic wave diffraction and asymptotic ones in the equivalent radius approximation considered. It is determined that sensitivity of the range gradient of the radio signal attenuation factor to variation of the altitude gradient refraction factor is substantially (by more than two orders) exceeding the sensitivity of the range gradient of the attenuation factor. The performed analysis confirms the opportunity of using spatial gradients of the attenuation factor of a radio signal for radio occultation monitoring of the Earth atmosphere.

参考

  1. Kolosov, M.A. and Shabelnikov, A.V, Electromagnetic waves refraction in atmospheres of Earth, Venus and Mars.

  2. Yakovlev, O.I., Radio waves propagation in space.

  3. Kolosov, M.A. and Pavelyev, A.G., Radio-raying of the atmosphere with sources of artificial and natural origin.

  4. Pavelyev, A.G., Solving of inverse problem of refraction.

  5. Sinitskiy, V.B., Turgenev, I.S., and Shirmanova, S.A., Measurement and calculation of atmospheric refraction angles upon AES radio settings over the sea.

  6. Alexeev, G.A. and Shirmanova, S.A., On capabilities of the interferometric method for atmosphere diagnostics using the radiation from AES.

  7. Alexeev, G.A., Kusaykin, A.P., and Poyedinchuk, A.Ye., An analytical numerical method for solution of refraction inverse problem.

  8. Yakovlev, O.I., Pavelyev, A.G., and Matyugov, S.S., Development of the satellite radio occultation method for monitoring of atmosphere and ionosphere.

  9. Arenberg, A.G., Propagation of decimeter and centimeter waves.

  10. Fok, V.A., Problems of electromagnetic waves diffraction and propagation.

  11. Vinogradova, M.B. and Semenov, A.A., Basics of the theory of ultra-short band (USB) radio waves propagation in the troposphere.

  12. Kalinin, A.I., Radio waves propagation along the paths of terrain and space radio lines.

  13. Belobrova, M.V., Ivanov, V.K., Kukushkin, A.V. et al., Software packet for diagnostics of the conditions for propagation of ultra-short band (USB) radio waves over the sea.

  14. Kalinin, A.I., To calculation of field intensity in shadow and half-shadow domains at ultrashort band waves propagation along the smooth spherical surface of the Earth.


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