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干涉仪解模糊异常值检测及纠错方法

Keywords: 干涉仪,逐次解模糊,异常值,有限记忆算法

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Abstract:

针对多基线相位干涉仪测角雷达在通道相位误差较大时解模糊结果存在异常的问题,提出了一种基于有限记忆算法的干涉仪解模糊异常值检测与纠错方法.该方法利用逐次测角算法的初次解模糊结果估计角度和整周模糊值的初始值,在此基础上进行角度和整周模糊值的有限记忆递推,识别原始测角数据中存在的数据异常值,对其进行异常值剔除或重新解模糊纠错处理.仿真结果表明,该方法原理正确,对于干涉仪解模糊数据中出现的孤立型及连续型异常值都能够进行有效的检测并予以纠正,显著降低了解模糊的出错概率.

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