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A dual zero‐crossing detection circuit for fractional fringe interferometry

 

作者: T. W. Fehr,   W. F. Pierce,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1992）
卷期: Volume 63, issue 11  

页码: 5475-5476

 

ISSN:0034-6748

 

年代: 1992

 

DOI:10.1063/1.1143421

 

出版商: AIP

 

数据来源: AIP

 

摘要:

An easily constructed zero‐crossing detection circuit, used in conjunction with common background fringe signal control techniques, vastly improves the dependability and accuracy of a fractional fringe interferometry system.

 

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