Nonintrusive method for removal of vibration from aero-optic measurements

Timothy Scott Blackwell; David A. Kalin

doi:10.1117/12.21810

1 September 1990 Nonintrusive method for removal of vibration from aero-optic measurements

Timothy Scott Blackwell, David A. Kalin

Proceedings Volume 1310, Signal and Image Processing Systems Performance Evaluation; (1990) https://doi.org/10.1117/12.21810
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

A simple, non-intrusive technique to separate mechanical jitter and aero-optic jitter from the combined measured jitter is presented. 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. This 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 post-test data processing.

Citation Download Citation

Timothy Scott Blackwell and David A. Kalin "Nonintrusive method for removal of vibration from aero-optic measurements", Proc. SPIE 1310, Signal and Image Processing Systems Performance Evaluation, (1 September 1990); https://doi.org/10.1117/12.21810

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