Experimental study of the characteristics of electro-magnetic wave propagation along the conductors of hf band near ground antenna

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Abstract

The article presents the results of experimental studies of the dependence of the propagation constant of an electromagnetic wave along the conductors of HF band near ground antennas on the properties of the soil and a comparison with known analytical expressions. The accuracy characteristics of known formulas are estab-lished and an assessment of their applicability for solving practical problems is given.

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About the authors

Yu. A. Kostychov

Omsk Scientific Center SB RAS

Author for correspondence.
Email: fatnblan@mail.ru

Institute of Radiophysics and Physical Electronics 

Russian Federation, K. Marx Prosp., 15, Omsk, 644024

A. S. Yashchenko

Omsk Scientific Center SB RAS

Email: fatnblan@mail.ru

Institute of Radiophysics and Physical Electronics

Russian Federation, K. Marx Prosp., 15, Omsk, 644024

S. V. Krivaltsevich

Omsk Scientific Center SB RAS

Email: fatnblan@mail.ru

Institute of Radiophysics and Physical Electronics

Russian Federation, K. Marx Prosp., 15, Omsk, 644024

S. A. Varnakov

Omsk Scientific Center SB RAS

Email: fatnblan@mail.ru

Institute of Radiophysics and Physical Electronics

Russian Federation, K. Marx Prosp., 15, Omsk, 644024

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Supplementary files

Supplementary Files
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1. JATS XML
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2. Fig. 1. Scheme for measuring the impedance of the SA: 1 – conductor of the dipole SA emitter, 2 – equipment, 3 – coaxial cables, 4 – VNA, 5 – port 1, 6 – port 2.

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3. Fig. 2. Profile of the real part of the KDP ε' and conductivity σ by depth h for sandy soil (a) and clayey soil (b).

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4. Fig. 3. Impedance of the SA on sandy (a) and clayey (b) soils. Curves 1 and 2 are the real and imaginary parts; curves 3 and 4 are the approximation results.

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5. Fig. 4. Phase coefficient for sandy (a) and clayey (b) soils, determined experimentally (by formula (1) (curve 1), by the position of the first successive resonance (curve 2), by the wave resistance (curve 3)) and according to [6] (curve 4).

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6. Fig. 5. Attenuation coefficient for sandy (a) and clayey (b) soils, determined: experimentally (curve 1) and according to [6] (curve 2).

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7. Fig. 6. Values ​​of the phase coefficient (a) and attenuation (b), related to the phase coefficient in free space, obtained: 1 according to [6], 2 according to [9] and 3 according to [7, 8].

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