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Study of a Microwave Radar Signal Backscattered at Small Incidence Angles: In-Situ Measurements

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Abstract

We present the results of data processing of the field experiment devoted to a study of a microwave signal backscattered by a rough water surface and compare them with the theoretical estimates. The measurements were conducted sequentially using a radar with parabolic and knife-beam antennas. The radar was mounted on the Molitovsky bridge at a height of 40 m across the Oka river in Nizhny Novgorod, Russia. For the radar with knife-shaped antenna pattern, we examined the reflected-signal power and the shift and width of the Doppler spectrum as functions of the azimuthal angle for the nadir sounding. For the parabolic antenna, we studied the reflected-signal power as a function of the incidence angle. Comparison with the experimental data shows that the developed theoretical model of a Doppler spectrum is in good agreement with the observations.

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Authors and Affiliations

  1. Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, Russia

    V. Yu. Karaev, E. M. Meshkov, G. N. Balandina, E. M. Zuikova, V. Yu. Gol'dblat & V. I. Titov

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  1. V. Yu. Karaev
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  2. E. M. Meshkov
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  3. G. N. Balandina
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  4. E. M. Zuikova
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  5. V. Yu. Gol'dblat
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  6. V. I. Titov
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__________

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 48, No. 8, pp. 661–673, August 2005.

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Karaev, V.Y., Meshkov, E.M., Balandina, G.N. et al. Study of a Microwave Radar Signal Backscattered at Small Incidence Angles: In-Situ Measurements. Radiophys Quantum Electron 48, 587–598 (2005). https://doi.org/10.1007/s11141-005-0103-9

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  • DOI: https://doi.org/10.1007/s11141-005-0103-9

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