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Alias Errors in Precision Rotary Encoder Calibration

J D Smith · Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science · 1992

Discrepancies between errors measured by back-to-back tests on rotary encoders and the errors quoted by the manufacturers led to investigation of the causes for the difference. An error that was apparently at 96 cycles per revolution was found to be due to a much higher frequency which was well outside the normal operating range for transmission error work.

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