| PRC_CW 雷达地杂波分布特性模型分析 |
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| 引用本文： | 曹治国,张志勇,张天序.PRC_CW 雷达地杂波分布特性模型分析[J].华中科技大学学报(自然科学版),1998(6). |
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| 作者姓名： | 曹治国 张志勇 张天序 |
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| 作者单位： | 华中理工大学图像识别与人工智能研究所 |
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| 基金项目： | 航天工业总公司九五预研项目 |
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| 摘 要： | 针对伪码调相连续波（ＰＲＣ－ＣＷ）雷达的特殊性，指出在低俯视角情形时雷达回波信号存在展宽现象，提出了对码元回波幅度进行空间矢量叠加以得到ＰＲＣ－ＣＷ雷达回波信号的方法．通过理论分析，指出ＰＲＣ－ＣＷ雷达的概率密度分布趋近于瑞利分布，并用计算机模拟的方法进行了验证．
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| 关 键 词： | 伪码调相 连续波雷达 Weibull分布 瑞利分布 |
Model Analysis of the Characteristic of Land Clutter for PRC -CW Radar |
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| Cao Zhiguo,Lect..Model Analysis of the Characteristic of Land Clutter for PRC -CW Radar[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1998(6). |
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| Authors: | Cao Zhiguo Lect |
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| Institution: | Cao Zhiguo Lect., Institute of Pattern Recognition and Artificial Intelligence,HUST,Wuhan 430074,China. Zhang Zhiyong Zhang Tianxu |
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| Abstract: | Based on the specialty of phase modulated pseudo random coded continuous wave (PRC -CW) radar, it is found that the time spread of radar echo signal will appear under the condition of low grazing angle. An algorithm of vector superposition to calculate PRC -CW radar echo signals is proposed. Through theoretical analysis, it is proved that the model of pdf (probability density function) for PRC -CW radar echo signals tends to approach the Rayleigh distribution. At last, the result is verified by using simulation method. |
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| Keywords: | pseudo random code CW radar Weibull distribution Rayleigh distribution |
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