Space-time Characteristics and Experimental Analysis of Broadening First-order Sea Clutter in HF Hybrid Sky-surface Wave Radar
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In high frequency (HF) hybrid sky-surface wave radar, the first-order sea clutter broadening is very complex and serious under the influence of ionosphere and bistatic angle, which affects the detection of ship target. This paper analyzes the space-time characteristics based on the HF sky-surface wave experimental system. We first introduce the basic structure, working principle and position principle based on our experimental system. Also analyzed is the influence of ionosphere and bistatic angle on the space-time coupling characteristics of broadening first-order sea clutter and the performance of space-time adaptive processing (STAP). Finally, the results of theoretic analysis are examined with the experimental data. Simulation results show that the results of experiment consist with that of theoretic analysis.
KeywordsSpace-time characteristics of first-order sea clutter, bistatic angle, ionosphere, STAP, HF hybrid sky-surface wave radar
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2014, vol. 23, č. 3, s. 831-841. ISSN 1210-2512
- 2014/3