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| Radar Sea Clutter Modeling of Statistical Characteristic |
| Received:March 24, 2017 Revised:July 15, 2017 |
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| DOI：10.7643/ issn.1672-9242.2017.07.006 |
| KeyWord:sea clutter modeling statistical characteristic amplitude distribution Doppler spectrum |
| Author | Institution |
| YIN Zhi-ying |
National Key Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation, Qingdao , China |
| ZHANG Yu-shi |
National Key Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation, Qingdao , China |
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| Abstract: |
| The paper introduced research states on radar sea clutter modeling of statistical characteristics from amplitude characteristic, Doppler spectrum and space correlation, compared and summarized various thoughts and model effects of modeling. There were mature models on the average amplitude value; but their range of application was different and their results were much different. The molding of amplitude distribution ware targeted to solve the trailing issue. It was a tendency to carry out compound modeling. In addition to the average spectrum, study of short-time Doppler spectrum was also started. The modeling of space correlation aimed to establish the relationship between parameters of spatial correlation length and radar and sea, but it was not comprehensive enough. In a word, it has been developed from simple experience modeling to that with certain physical meaning under the guidance of sea clutter mechanism study. Although modeling effects become closer and closer to the reality, but many problems still exist. |
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