Nonintrusive method for removal of vibration from aero-optic measurements

Timothy Scott Blackwell; David A. Kalin

doi:10.1117/12.55786

1 February 1991 Nonintrusive method for removal of vibration from aero-optic measurements

Timothy Scott Blackwell, David A. Kalin

Author Affiliations +

Optical Engineering, Vol. 30, Issue 2, (February 1991). https://doi.org/10.1117/12.55786

Abstract

This paper presents a simple, nonintrusive technique to separate mechanical jitter and aero-optic jitter from the combined measured jitter. This technique has the advantages of being relatively simple to implement, deriving information from the imaging data, and giving insight into the nature of the flow-field turbulence. The method employs variable collection apertures and a subtraction algorithm designed to separate aero-optic jitter from mechanical jitter. Several levels of vibration and aero-optic effects were measured and then separated in the posttest data processing.

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Timothy Scott Blackwell and David A. Kalin "Nonintrusive method for removal of vibration from aero-optic measurements," Optical Engineering 30(2), (1 February 1991). https://doi.org/10.1117/12.55786

Published: 1 February 1991

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