| 阵元指向未知条件下的信号波达方向估计 |
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| 引用本文： | 马静艳,徐友根,刘志文.阵元指向未知条件下的信号波达方向估计[J].航天电子对抗,2011,27(2):35-38. |
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| 作者姓名： | 马静艳 徐友根 刘志文 |
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| 作者单位： | 北京理工大学信息与电子学院,北京,100081 |
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| 基金项目： | 国家自然科学基金资助课题 |
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| 摘 要： | 提出了一种适用于阵元指向未知情形的极化敏感阵列信号波达方向(DOA)估计方法.该方法利用降秩准则将信号方向、极化和阵元指向信息进行解耦,通过唯角度参数搜索完成信号DOA估计,避免了复杂的多维寻优.讨论了新方法实现无模糊DOA估计的必要条件,并将其与利用错误指向信息的DOA估计方法进行了性能比较.结果表明:对于阵元指向未...
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| 关 键 词： | 极化敏感阵列 波达方向估计 阵列信号处理 阵列校正 极化 |
Direction finding with unknown antenna orientation |
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| Ma Jingyan,Xu Yougen,Liu Zhiwen.Direction finding with unknown antenna orientation[J].Aerospace Electronic Warfare,2011,27(2):35-38. |
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| Authors: | Ma Jingyan Xu Yougen Liu Zhiwen |
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| Institution: | Ma Jingyan,Xu Yougen,Liu Zhiwen(School of Information and Electronics,Beijing Institute of Technology,Beijing 100081,China) |
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| Abstract: | A new DOA estimation method is proposed for polarization sensitive array with unknown or uncalibrated antenna orientation.Signal direction,polarization and sensor orientation information are uncoupled by exploiting the rank-reduction criterion,enabling direction finding with angle-only searching.Necessary condition for unambiguous DOA estimation is studied,and its performance is compared with the method which exploits the error sensor orientation information.The result shows that the performance of the porp... |
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| Keywords: | polarization sensitive array DOA estimation array signal processing array calibration polarization |
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