Correctness of Velocity Evaluation of System Using Spatial Filter
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In this paper, a velocity measurement method using the spatial filter is presented. Luminous emitance of the surface passing through the moving spatial filter and optical set is projected to the active area of photo-detector. The velocity determination is based on the frequency spectrum evaluation of the photo-detector output signal. The formula for velocity computing is derived first. Then, correctness of velocity evaluation in dependence on the surface and measuring system properties is discussed.
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2002, vol. 11, č. 3, s. 24-26. ISSN 1210-2512
- 2002/3