On the Uniquaness of Signal Reconstruction Using Phasa Information Only

Ye Long; Li Yanda & Chang Tong

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On the Uniquaness of Signal Reconstruction Using Phasa Information Only

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- On the Uniquaness of Signal Reconstruction Using Phasa Information Only
- Acta Electronica Sinica Issue 4, Pages: 104-106(1991)
- 作者机构：
  
  清华大学自动化系
- 作者简介：
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- Published：1991
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[1]叶龙,李衍达,常迵.利用相位谱信息重构信号唯一性的研究[J].电子学报,1991(04):104-106.

Ye Long, Li Yanda & Chang Tong. On the Uniquaness of Signal Reconstruction Using Phasa Information Only[J]. Acta Electronica Sinica, 1991, (4): 104-106.
[1]叶龙,李衍达,常迵.利用相位谱信息重构信号唯一性的研究[J].电子学报,1991(04):104-106. DOI：

Ye Long, Li Yanda & Chang Tong. On the Uniquaness of Signal Reconstruction Using Phasa Information Only[J]. Acta Electronica Sinica, 1991, (4): 104-106. DOI：

摘要

本文讨论了信号频域相位与零点的关系

着重研究了频域非重零点对信号重构唯一性的影响。证明了仅利用相位信息唯一重构原信号的充要条件

并进一步给出了仅用频域有限样本点处相位信息重构原信号的唯一性定理。

Abstract

In this paper the relation between phase and zeros in frequency domain is given

special attention is paid to the influence of simple real zeros on the uniqueness of reconstruction. A sufficient and necessary condition for unique reconstruction is proved. Furthermore

conditions for unique reconstruction of a finite-length signal using only finite number phase samples are consideid.

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