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A digital velocity transducer

 

作者: Roger R. Stone,  

 

期刊: Review of Scientific Instruments  (AIP Available online 1974)
卷期: Volume 45, issue 1  

页码: 16-18

 

ISSN:0034-6748

 

年代: 1974

 

DOI:10.1063/1.1686438

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A new velocity gauge that allows use of as many as 64 gauges per signal cable has been developed and tested. The gauge, designated ``make‐wire,'' uses moving wires contacting a printed circuit board to provide a digital signal consisting of a series of electrical offs and ons. The distance and the time between these discrete electrical changes are known; therefore, the velocity of the moving system can be determined. The gauge allows scaling up or down to obtain a sample exposure area as small as 0.6 cm2. The gauges have been used in an underground nuclear effects test. The minimum velocity measured with the present configuration was estimated to be 50 cm/sec.

 

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