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基于凸优化方法的谐波参数估计

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摘要 从多个分量叠加的谐波信号中恢复出频率信息一直以来都是统计信号处理领域的经典问题.受当前原子范数研究工作的影响,本文针对随机扰动振幅的谐波模型,基于原子范数凸优化的方法对模型参数做出估计.在模型求解上,本文将原子范数转化为一个半正定规划问题,分别使用了SDFT3工具和ADMM两种方法,最后,进一步通过仿真实验说明了原子范数凸优化的方法能成功地对具有随机扰动振幅的谐波模型参数做出估计.
作者 卢文超
出处 《数学学习与研究》 2017年第9期123-125,共3页
基金 国家自然科学基金青年基金(No.61601417)
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