1 September 1970 Optical FM System for Measuring Mechanical Shock
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Abstract
A technique is described for calibrating shock accelerometers by measuring the Doppler shift in light frequency produced by the change in velocity of a target. The system employs a quadrature laser interferometer and a single-side-band carrier insertion circuit to distinguish between positive and negative velocities. Key words: Accelerometer; calibration; Doppler; interferometer; laser; shock measuring; single-side-band.
L. D. Ballard, L. D. Ballard, Wm. S. Epstein, Wm. S. Epstein, Ernest R. Smith, Ernest R. Smith, Seymour Edelman, Seymour Edelman, } "Optical FM System for Measuring Mechanical Shock," Optical Engineering 8(6), 806229 (1 September 1970). https://doi.org/10.1117/12.7971525 . Submission:
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