Impulse calibration of mechanical to electrical transducers

Details Impulse calibration of mechanical to electrical transducers Impulse calibration of mechanical to electrical transducers

1988-07-22

1990-03-20

Raevis, Robert R.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01L 2700

Patent

active

049090640

ABSTRACT:
A wide frequency spectrum mechanical impulse calibration apparatus for a microphone or other pressure wave to electrical signal transducer apparatus is disclosed. Calibration is accomplished using the Fourier series based transfer function of the transducer as obtained from its response to a time domain mechanical impulse input signal. Details of a mechanical impulse signal source, an improved time gated signal processing arrangement, and exemplary calibration signals are also disclosed.

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