Method and apparatus for measuring a transfer function

Details Method and apparatus for measuring a transfer function Method and apparatus for measuring a transfer function

1984-08-23

1987-12-15

Lall, Parshotam S.

Boots, shoes, and leggings

364726, 364733, 371 24, 375 18, G06F 1520, G06F 734

Patent

active

047137827

ABSTRACT:
A transfer function analyzer measures the real and imaginary parts of the Fourier transform of a stimulus signal applied to a device and of a resulting response signal. The integration which is performed as part of the Fourier transformation is performed as a summation of a central sector of discrete data points within the period of integration plus the products of the coefficients of weighting polynomials multiplied by preceding and succeeding sectors of data points beyond the central sector. An accurate integration is obtained whether or not the period of integration begins or ends upon discrete data points.

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patent: 4375692 (1983-03-01), Shensa et al.
patent: 4397029 (1983-08-01), Satorius et al.

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