| 基于ESPRIT-LS的幅相补偿参数估计算法 |
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| 引用本文： | 王成,胡卫东,郁文贤.基于ESPRIT-LS的幅相补偿参数估计算法[J].系统工程与电子技术,2006,28(3):350-354. |
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| 作者姓名： | 王成 胡卫东 郁文贤 |
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| 作者单位： | 国防科技大学ATR重点实验室,湖南,长沙,410073 |
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| 摘 要： | 幅相补偿是多频带雷达信号融合一维距离成像中的关键问题,其补偿的精度直接影响了信号融合的最终效果。分析了多雷达信号融合中的幅度相位模型,并基于旋转不变技术提出一种新的幅度相位补偿参数估计方法。该方法首先对幅相补偿模型进行预处理,使得处理后的阵列导向矢量具有旋转不变特性,然后采用ES-PRIT-LS算法同时估计多个雷达的幅相补偿参数。仿真结果表明该算法具有较高的估计精度,受噪声影响较小。
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| 关 键 词： | 信号融合 幅相补偿 最小二乘 |
| 文章编号： | 1001-506X(2006)03-0350-05 |
| 修稿时间： | 2004年11月9日 |
ESPRIT-LS based amplitude-phase compensation parameters estimation algorithm |
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| WANG Cheng,HU Wei-dong,YU Wen-xian.ESPRIT-LS based amplitude-phase compensation parameters estimation algorithm[J].System Engineering and Electronics,2006,28(3):350-354. |
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| Authors: | WANG Cheng HU Wei-dong YU Wen-xian |
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| Abstract: | Amplitude-phase compensation parameters estimation is an important problem in high range resolution profile formation of multi-band radar signal fusion.Compensation precision directly makes a great impact on the effect of signal fusion.The amplitude-phase compensation model of multi-band radar signal fusion is analyzed and the new amplitude-phase compensation algorithm based on the ESPRIT is presented.Firstly,the amplitude-phase model is pre-processed,so that the array steering vector has the rotational invariance characteristic.So the ESPRIT-LS algorithm is applied to estimate amplitude-phase compensation parameters of multiple radars.The simulation results show the algorithm has higher estimated precision and is little affected by noise. |
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| Keywords: | signal fusion amplitude-phase compensate least square |
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