Velocity‐tracking circuit for a laser Doppler velocimeter using real‐time spectrum analysis
作者:
R. V. Mustacich,
B. R. Ware,
期刊:
Review of Scientific Instruments
(AIP Available online 1976)
卷期:
Volume 47,
issue 1
页码: 108-111
ISSN:0034-6748
年代: 1976
DOI:10.1063/1.1134477
出版商: AIP
数据来源: AIP
摘要:
A circuit is described which will adapt a laser Doppler velocimeter using real‐time spectrum analysis for automatic velocity tracking. The circuit provides an analog voltage which is proportional to velocity by tracking the position of crossing of a selected intensity level on the spectrum analyzer output. Examples of applications to the study of protoplasmic streaming and simulated hemodynamics are presented.
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