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基于算子和局部正交约束的信号自适应分解方法 被引量：6

An Approach of Adaptive Signal Separation Based on Operator and Locally Orthogonal Constraint
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摘要 该文利用局部正交约束,采用反向投影策略,提出一种基于算子的信号自适应分解方法。该方法将输入信号建模为多个基本信号和一个残差信号之和,并且基本信号落在所定义算子的零空间中。通过仿真和实际信号的实验,展示了所提算法对于解决信号处理中的模式混叠问题的可行性,有效性和实用性。 An operator-based approach for adaptive signal separation is proposed by using the locally orthogonal constraint and adopting back projection strategy. The approach adaptively separates a signal into additive subcomponents and a residual signal, where the subcomponents are in the null space of the operators. Experiments, including simulated signals and a real-life signal, demonstrate the feasibility, efficiency, and practicability of the proposed approach for solving the mode mixing phenomenon.
作者 衣晓蕾 彭思龙 栾世超
机构地区 中国科学院自动化研究所 中国航空综合技术研究所
出处 《电子与信息学报》 EI CSCD 北大核心 2015年第11期2613-2620,共8页 Journal of Electronics & Information Technology
基金 国家自然科学基金(61032007 61201375)~~
关键词 自适应信号分解 局部正交 反向投影策略 零空间追踪 Adaptive signal separation Locally orthogonal Back projection strategy Null space pursuit
分类号 TN911.7 [电子电信—通信与信息系统]
  • 相关文献

参考文献18

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二级参考文献9

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共引文献4

同被引文献44

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  • 6Peng S L, Huang W L. Null space pursuit: An operator- based approach to adaptive signal separation [ J ]. IEEE Transactions on Signal Processing, 2010, 58 ( 5 ) : 2475 - 2483.
  • 7Kumar A, Pooja R, Singh G K. Design and performance of closed form method for cosine modulated filter bank using different windows functions [ J ]. International Journal of Speech Technology, 2014,17 (4) :427 - 441.
  • 8Rajapaksha N, Madanayake A, Bruton L T. 2D space- time wave-digital multi fan filter banks for signals consistingof multiple plane waves [ J ]. Multidimensional Systems and Sig- nal Processing,2014,25 ( 1 ) : 17 - 39.
  • 9韩慧鹏,梁红,胡旭娟.自适应IIR陷波器在信号检测中的应用[J].弹箭与制导学报,2008,28(2):315-317. 被引量：19
  • 10于晗,钟志勇,黄杰波,张建华.采用拉丁超立方采样的电力系统概率潮流计算方法[J].电力系统自动化,2009,33(21):32-35. 被引量：135

引证文献6

二级引证文献52

电子与信息学报
2015年 第11期

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