NASA NTRS · 19860065524
Frequency domain laser velocimeter signal processor
Abstract
A laser velocimeter frequency domain signal processor is described which utilizes smart instrumentation to configure itself to maximize measurement accuracy based on the determined characteristics of the input signals. The stystem provides the same measurement capabilities as the high-speed burst counter in instantaneous measurements of signal frequency, the same automatic gain control and automatic frequency control as the frequency tracker, and the same immunity to signal-to-noise derived errors as the photon correlator. Simulation results demonstrate measurement accuracies of better than 0.2 percent for signal frequencies up to 100 MHz.
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Meyers, J. F., Stoughton, J. W.. 1986-07-01. Frequency domain laser velocimeter signal processor. https://ntrs.nasa.gov/citations/19860065524
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