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大连理工大学电子信息与电气工程学部,辽宁 大连 116024
[ "王宏禹(1929–),男,北京人,大连理工大学教授、博士生导师,主要研究方向为随机与时变信号处理。" ]
[ "邱天爽(1954–),男,江苏海门人,大连理工大学教授、博士生导师,主要研究方向为射频与医学信号处理。" ]
网络出版日期:2018-12,
纸质出版日期:2018-12-25
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王宏禹, 邱天爽. 信号特征谱表示与平稳随机信号谱分解统一的研究[J]. 通信学报, 2018,39(12):1-9.
Hongyu WANG, Tianshuang QIU. Unified study on characteristic spectrum representation of signals and spectral decomposition for stationary random signals[J]. Journal on communications, 2018, 39(12): 1-9.
王宏禹, 邱天爽. 信号特征谱表示与平稳随机信号谱分解统一的研究[J]. 通信学报, 2018,39(12):1-9. DOI: 10.11959/j.issn.1000-436x.2018219.
Hongyu WANG, Tianshuang QIU. Unified study on characteristic spectrum representation of signals and spectral decomposition for stationary random signals[J]. Journal on communications, 2018, 39(12): 1-9. DOI: 10.11959/j.issn.1000-436x.2018219.
深入研究了信号特征谱表示与平稳随机信号谱分解统一的关系。利用微分算子、积分算子与特征微分方程格林函数的关系,分析了厄尔密特微分算子与厄尔密特积分算子的互逆关系,指出了特征微分方程存在与其对应的特征积分方程,并给出了厄尔密特微分算子与厄尔密特积分算子的谱表示式,以及将这2种算子的谱表示统一的一般表示式。利用对平稳随机信号谱分解的随机振幅简谐振动叠加法及希尔伯特空间酉算子法进行分析研究,明确了信号特征谱表示与平稳随机信号谱分解的联系及数学上的统一。
The unified relationship between the signal characteristic spectrum representation and the spectral decomposition for the stationary random signal was deeply studied. By using the relations among the differential operators
the integral operator and the Green's function of the characteristic differential equation
the inverse relationship between the Hermitian differential operator and the Hermitian integral operator were given
the characteristic differential equation and corresponding characteristic integral equation were demonstrated
and the spectral representations of both Hermitian differential and integral operators and the general spectral representations for both operators were provided. Based on the superposition method of the stochastic simple harmonic vibration and the Hilbert space unitary operator method for the stationary random signal spectral decomposition
the connection and unification on mathematics of the signal characteristic spectral representation and the stationary random signal spectral decomposition are revealed.
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王宏禹 , 邱天爽 . 非平稳确定性信号与非平稳随机信号统一分类法的探讨 [J ] . 通信学报 , 2015 , 36 ( 2 ): 1 - 10 .
WANG H Y , QIU T S . Unified classification methods for determinate nonstationary signals and random nonstationary signals [J ] . Journal of Communications , 2015 , 36 ( 2 ): 1 - 10 .
王宏禹 , 邱天爽 . 确定性信号与平稳随机信号分解的统一研究 [J ] . 通信学报 , 2016 , 37 ( 10 ): 1 - 8 .
WANG H Y , QIU T S . Unified study on the decomposition for deterministic signals and stationary random signals, , Journal of Communications , 2016 , 37 ( 10 ): 1 - 8 .
王宏禹 , 邱天爽 . 零阶角长球面波函数与长球面波函数的研究 [J ] . 通信学报 , 2013 , 29 ( 7 ): 789 - 799 .
WANG H Y , QIU T S . Zero-order angular prolate spheroidal wave and prolate spheroidal wave functions [J ] . Journal of Communications , 2013 , 29 ( 7 ): 789 - 799 .
王宏禹 . 信号处理方法与应用 [M ] . 北京 : 机械工业出版社 , 2008 .
WANG H Y . The methods and applications of signal processing [M ] . Beijing : China Machine Press , 2008 .
王宏禹 , 邱天爽 . 微分方程格林函数法的研究 [J ] . 信号处理 , 2015 , 31 ( 4 ): 379 - 385 .
WANG H Y , QIU T S . Study on the differential equation using the Green's function [J ] . Signal Processing , 2015 , 31 ( 4 ): 379 - 385 .
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