QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:宽带双基地MIMO雷达的参数联合估计的新方法

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Date of Publication:2014-06-25

Journal:通信学报

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:35

Issue:6

Page Number:192-199

ISSN No.:1000-436X

Key Words:宽带双基地MIMO雷达;分数阶功率谱;参数估计;FPSD-MUSIC算法;FPSD-ESPRIT算法;克拉美罗界

Abstract:提出了一种基于分数阶功率谱的宽带双基地MIMO雷达中参数联合估计的新方法.在许多情况下,根据窄带信号模型对宽带回波信号中的参数进行估计是不合适的,因此提出一个新的宽带回波信号模型对运动目标参数进行估计.根据分数阶功率谱(FPSD)的峰值点对多普勒频移因子和时延参数进行联合估计,并依据分数阶功率谱的峰值点构造2个子阵,提出的FPSD-MUSIC算法和FPSD-ESPRIT算法实现了对收发角的联合估计.接下来推导了该信号模型中参数估计的克拉美罗界.仿真实验验证了算法的有效性.

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