Influence of quantization noise on informative parameters of the echo signal under the condition of a perturbed atmosphere


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Abstract

A physical and mathematical model of the echo signal reflected from cloud-rain systems is presented and substantiated. Algorithms for obtaining unbiased, efficient and consistent estimates of the first and second initial moments of the echo signal from the rain are proposed. Schemes of estimation of physical parameters of raindrops on the basis of estimation of power of the reflected signal: induced dipole moment of a raindrop, attenuation at propagation of a signal along a spherical coordinate of range there and back and parameters of cloudy-rain system: intensity of a rain, water content of cloudy-rain system are offered. The connection of induced dipole moment of a raindrop with the estimation of dielectric permittivity and conductivity of raindrops is shown.

About the authors

V.V. Zavolokin

South Ural State University (national research university)

Author for correspondence.
Email: tamboval@mail.ru

V.I. Tambovtsev

South Ural State University (national research university)

Email: tamboval@mail.ru

References

  1. Muchnik V.M. Thunderstorms Physics. Leningrad: Gidrometeoizdat, 1974, 352 p. [In Russian].Bondarenko T.G. Some data on the electrical conductivity of precipitation. Trudy GGO, 1962, no. 134, pp. 33–37. [In Russian].Shimoni K. Theoretical Electrical Engineering. Moscow: Mir, 1964, 775 p. [In Russian].Doviak R., Zrnich D. Doppler Radar and Meteorological Observations. Trans. from English. Saint-Petersburg: Gidrometeoizdat, 1988, 511 p. [In Russian].Gradshtejn A.S., Ryzhik I.M. Table of Integrals, Series and Products. 4th ed. Moscow: Gosudarstvennoe izdatel’stvo fiziko-matematicheskoj literatury, 1963, 1100 p. [In Russian].Baljasnikov B.M. et al. A mathematical model of quantization noise signals reflected from the extended spatial interference. Trudy VKA im. A.F. Mozhajskogo, 2011, no. 633, pp. 131–138. [In Russian].Zavolokin V.V., Zubkov V.A., Chepel’ E.V. Construction of mathematical models meteosignalov to coherently pulsed radar. Voprosy radioelektroniki. Serija RLT, 2008, no. 2, pp. 129–136. [In Russian].

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Copyright (c) 2019 Zavolokin V., Tambovtsev V.

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