Laser Doppler velocimeter signal processing using sampling spectrum analysis
作者:
R. L. Simpson,
P. W. Barr,
期刊:
Review of Scientific Instruments
(AIP Available online 1975)
卷期:
Volume 46,
issue 7
页码: 835-837
ISSN:0034-6748
年代: 1975
DOI:10.1063/1.1134348
出版商: AIP
数据来源: AIP
摘要:
A new technique for processing laser Doppler velocimeter signals by sampling spectrum analysis is presented. A swept‐filter spectrum analyzer and pulse‐shaping and sample‐and‐hold circuits are employed. Sampling turbulence frequencies up to 4 kHz. In contrast to most tracking techniques, high dropout of signal cases and high frequency signals normally associated with directionally sensitive velocimeter systems can be processed.
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