Method of signal analysis employing histograms to establish stab

Details Method of signal analysis employing histograms to establish stab Method of signal analysis employing histograms to establish stab

1994-09-12

1996-02-27

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Cathode ray

364487, G01R 1320

Patent

active

054951682

ABSTRACT:
A method of signal analysis for establishing display scaling and stable triggering for digital oscilloscopes employs amplitude and time histograms to analyze an input signal and establish the required conditions. An amplitude histogram analysis method is first used to determine the minimum and maximum amplitude levels of the signal, and then a time histogram analysis method is used to determine the predominant time intervals occurring in the input signal. From these two analyses, vertical gain adjustments and time base settings adjustments may be made either manually or automatically, and triggering levels established to provide a stable, usable display.

REFERENCES:
patent: 4743844 (1988-05-01), Odenheimer et al.
patent: 5003248 (1991-03-01), Johnson
patent: 5343405 (1994-08-01), Kucera et al.

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