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NASA NTRS · 19720004726

Remote detection of trailing vortices, task 3, modification 3

Abstract

The operation of a frequency tracker for use with the laser Doppler velocimeter (LDV) is reported. Topics discussed include: laser beam profile, lens matching, and LDV resolution data. It is concluded that the LDV provides good ground wind signals. The loss in sensitivity of the cavity system at high frequencies is partly compensated by an increase in the scattering cross section of the atmosphere due to dust.

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Fridman, J., Harris, C., Jelalian, A., Keene, W., Meister, K., Miller, C., Sonnenschein, C.. 1971-06-17. Remote detection of trailing vortices, task 3, modification 3. https://ntrs.nasa.gov/citations/19720004726

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