AC calibration method and device by determining transfer charact

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371 24, G06F 1100

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active

048130010

ABSTRACT:
A method for determining the transfer function of a data acquisition system involves inputting a set of bilevel input test patterns to the system and measuring the system's response. The input test patterns from a complete orthogonal set. The input test patterns or the system's response can be weighted to correct for aliasing error and/or to represent any arbitrary input waveform. From the ratio of the Fourier transform of the sum of the responses to the Fourier transform of the sum of the input test patterns the transfer function is derived. In operation, the transfer function is used to accurately determine the characteristics of any input waveform to the system.

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patent: 3526832 (1970-09-01), Post
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patent: 4352160 (1982-09-01), Frech et al.
patent: 4673917 (1987-06-01), Urschel et al.
"A General Method For Increasing Converter Accuracy and Resolution," a paper by E. A. Sloane and P. W. Dodd, presented to the ITC, Oct. 18-20, 1983.
Abstract and Summary For a Paper Entitled "A General Method For Increasing Converter Accuracy and Resolution," by E. A. Sloane and P. W. Dodd, dated 3/9/83.

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