基于降维Capon的双基地MIMO阵列目标DOD和DOA联合估计算法

TN911; 针对双基地多输入多输出(MIMO)阵列目标DOD(发射角)和DOA(接收角)联合估计问题,提出了一种基于泰勒级数展开的降维Capon联合收发角估计算法.该算法首先利用泰勒级数将阵列流型矢量展开,将需要二维搜索的MIMO Capon算法降为一维搜索,然后利用拉格朗日算子通过一维搜索获得目标的DOD,最后将估计的DOD代入阵列流型矢量中获得接收阵列流型矢量,从而估计出与DOD相对应的DOA.该算法无需二维谱峰搜索,通过一维搜索得到目标收发角,且DOD和DOA自动配对.与现有算法相比,该算法不仅能够获得较好的角度分辨率,而且有效降低了运算量.仿真结果验证了所提算法的有效性....

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Published in西北工业大学学报 Vol. 37; no. 5; pp. 857 - 864
Main Authors 史文涛, 张群飞, 何成兵
Format Journal Article
LanguageChinese
Published 西北工业大学 航海学院,陕西 西安,710072 01.10.2019
Subjects
发射角(DOD)
泰勒级数展开
Capon
接收角(DOA)
双基地多输入多输出(MIMO)阵列
Online AccessGet full text
ISSN1000-2758
DOI10.1051/jnwpu/20193750857

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Abstract TN911; 针对双基地多输入多输出(MIMO)阵列目标DOD(发射角)和DOA(接收角)联合估计问题,提出了一种基于泰勒级数展开的降维Capon联合收发角估计算法.该算法首先利用泰勒级数将阵列流型矢量展开,将需要二维搜索的MIMO Capon算法降为一维搜索,然后利用拉格朗日算子通过一维搜索获得目标的DOD,最后将估计的DOD代入阵列流型矢量中获得接收阵列流型矢量,从而估计出与DOD相对应的DOA.该算法无需二维谱峰搜索,通过一维搜索得到目标收发角,且DOD和DOA自动配对.与现有算法相比,该算法不仅能够获得较好的角度分辨率,而且有效降低了运算量.仿真结果验证了所提算法的有效性.
AbstractList TN911; 针对双基地多输入多输出(MIMO)阵列目标DOD(发射角)和DOA(接收角)联合估计问题,提出了一种基于泰勒级数展开的降维Capon联合收发角估计算法.该算法首先利用泰勒级数将阵列流型矢量展开,将需要二维搜索的MIMO Capon算法降为一维搜索,然后利用拉格朗日算子通过一维搜索获得目标的DOD,最后将估计的DOD代入阵列流型矢量中获得接收阵列流型矢量,从而估计出与DOD相对应的DOA.该算法无需二维谱峰搜索,通过一维搜索得到目标收发角,且DOD和DOA自动配对.与现有算法相比,该算法不仅能够获得较好的角度分辨率,而且有效降低了运算量.仿真结果验证了所提算法的有效性.
Author 史文涛
张群飞
何成兵
AuthorAffiliation 西北工业大学 航海学院,陕西 西安,710072
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HE Chengbing
SHI Wentao
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Keywords 发射角(DOD)
泰勒级数展开
Capon
接收角(DOA)
双基地多输入多输出(MIMO)阵列
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Snippet TN911; 针对双基地多输入多输出(MIMO)阵列目标DOD(发射角)和DOA(接收角)联合估计问题,提出了一种基于泰勒级数展开的降维Capon联合收发角估计算法.该算法首先利用泰勒级数...
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Title 基于降维Capon的双基地MIMO阵列目标DOD和DOA联合估计算法
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