Study of the Doppler Spectrum of the Microwave Radar Signal Backscattered from the Water Surface at Low Incidence Angles in the Presence of a Constant Current: Experiment and Modeling

被引：0
|
作者：
Ryabkova, M. [1 ]
Karaev, V [1 ]
Panfilova, M. [1 ]
Titchenko, Yu [1 ]
Meshkov, Eu [1 ]
Zuikova, E. [1 ]
机构：
[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod, Russia
来源：
2020 XXXIIIRD GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM OF THE INTERNATIONAL UNION OF RADIO SCIENCE | 2020年
基金：
俄罗斯基础研究基金会;
关键词：
KINEMATICS; WAVES;
D O I：
10.23919/ursigass49373.2020.9232433
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Measurements of the water surface backscatter at low incidence angles were performed using a Ka-band Doppler radar from the bridge over the Oka river in Nizhny Novgorod in June-October of 2019. Incidence angles varied from nadir to 25 degrees during experiments. In this paper the first results of experimental data processing are presented and the dependency of Doppler frequency shift on incidence angle and an azimuth angle are analyzed. Data acquired in the experiments can be used for validation of theoretical models. The method for the estimation of the velocity of surface current using Doppler central frequency shift is introduced and validated.
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页数：4
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