A Least Squares Digital Filter for Repetitive Data Acquisition

Document Type

Article

Journal/Book Title

Journal of Chemical Information and Computer Science

Publication Date

1986

Volume

26

First Page

57

Abstract

A least-squares digital filter is proposed for impulse-response data acquisition schemes. The filter operates in real time by fitting each signal transient to a filter function. The optimal filter function is found to be the signal waveform for the case of white noise. The signal-to-noise ratio improvement of the filter is proportional to the square root of the number of data points used in the filter-function waveform.

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