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Instantaneous velocity correlations from a single dopplermeter

 

作者: Ferren MacIntyre,  

 

期刊: Applied Physics Letters  （AIP Available online 1972）
卷期: Volume 21, issue 9  

页码: 430-432

 

ISSN:0003-6951

 

年代: 1972

 

DOI:10.1063/1.1654443

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A new method for measuring velocities and velocity structure functions of turbulence with a single dopplermeter (laser Doppler‐shift velocimeter) is analyzed by optical mixing theory. The zero‐mean‐velocity signal is mixed electronically with a local oscillator before FM demodulation to recover the instantaneous velocity.

 

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