首页> 中文期刊> 《空军预警学院学报》 >一种改进的天波雷达海杂波循环对消方法

一种改进的天波雷达海杂波循环对消方法

         

摘要

Considering that the times of cancellation can not be determined adaptively by using the conventional sea clutter cancellation of circulation for sky wave radar, this paper puts forward an algorithm, namely a sea clutter cancellation of circulation based on referring to the adjacent cells. This proposed algorithm constructs a reference signal using the echoe signals from other resolution cells in the sub zone where the resolution cells for current sea surface detection are located, and implements the sea clutter cancellation of circulation using the sea clutter's Doppler frequency parameter extracted from the reference signals. By theoretical analysis and test of the measured data, it is proved that this algorithm is of availability.%针对传统的天波雷达海杂波循环对消法无法自适应判断对消次数的问题,研究了一种改进的方法即基于参考相邻单元的海杂波循环对消法。该方法用当前海面检测分辨单元所在的子区内其他分辨单元的回波信号构建参考信号,并利用从参考信号提取出的海杂波多普勒频率参数对检测单元进行海杂波循环对消。通过理论分析和实测数据验证,证明了该方法的有效性。

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