| 通道幅相差下的多阵列直接定位算法 |
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| 引用本文： | 黄志英,吴 江,甘 戈. 通道幅相差下的多阵列直接定位算法[J]. 太赫兹科学与电子信息学报, 2015, 13(5): 745-749 |
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| 作者姓名： | 黄志英 吴 江 甘 戈 |
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| 作者单位： | Information System Engineering Institute，Information Engineering University，Zhengzhou Henan 450002，China,Information System Engineering Institute，Information Engineering University，Zhengzhou Henan 450002，China and Unit 63618 of the PLA，Korla Xinjiang 841000，China |
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| 摘 要： | 通道幅相差的存在会导致直接定位算法(DPD)精确度下降。分析了通道幅相差对多阵列直接定位算法的影响，并在通道幅相差存在的情况下提出了一种改进算法。该算法利用各阵列通道幅相差的校正结果对阵列流型矢量进行补偿，然后用直接定位算法估计目标位置。仿真表明该算法较之无校正直接定位算法，具有更高的精确度。
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| 关 键 词： | 无源定位；多阵列；直接定位；通道幅相差 |
| 收稿时间： | 2014-09-30 |
| 修稿时间： | 2014-11-19 |
Multi-array direct position determination algorithm with gain-phase error |
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| HUANG Zhiying,WU Jiang and GAN Ge. Multi-array direct position determination algorithm with gain-phase error[J]. Journal of Terahertz Science and Electronic Information Technology, 2015, 13(5): 745-749 |
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| Authors: | HUANG Zhiying WU Jiang GAN Ge |
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| Abstract: | In order to solve the problem of accuracy decrease of Direct Position Determination(DPD) in the presence of gain-phase error, the effect of the gain-phase error on the DPD algorithm is analyzed, and an improved DPD algorithm with gain-phase error is introduced. In this algorithm, array response vector is compensated by the correction results of gain-phase error, and the target location is estimated by DPD algorithm. Simulation result shows that the improved algorithm has higher accuracy than the DPD algorithm without correction. |
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