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1. 清华大学自动化系
2. 清华大学自动化系 北京 100084
Published:1992
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[1]叶龙,李衍达,常迵.利用幅度谱或多信道信息求解半盲反褶积[J].电子学报,1992(02):71-75.
Ye Long, Li Yanda. Chang Tong. Semi-Blind Deconvolution Using Magnitude Spectrum or Multichannel Information[J]. Acta Electronica Sinica, 1992, (2): 71-75.
本文指出对于一维有限时宽实序列
输入x(n)
系统单位样值响应y(n)
几乎总能由x(n)(或y(n))的幅度谱和输出z(n)唯一确定。本文进一步指出利用多信道输出信息z
1
(n)
x(n)及y
1
(n)几乎总能唯一被确定
其中i表示第i个信道。文中给出了四个利用已知信息重构有限长能量有限序列x(n)
y(n)的唯一性定理。
In this paper
we have shown that for one-dimensional finite length real sequence
input x(n) and unit impulse response y(n) can be almost uniquely defined by the magnitude spectrum of x(n) (or y(n)) and output z(n). We have also shown that using given multichannel recording
z1
x(n) and y1(n) can also be almost uniquely reconstructed. Four theorems on the uniqueness of semi-blind deconvolution are given.
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