Probability density histogram display

Details Probability density histogram display Probability density histogram display

1990-06-15

1991-03-26

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Cathode ray

324 77A, 340722, 364487, G01R 1320, G01R 2316, G09G 106

Patent

active

050032488

ABSTRACT:
Disclosed is a probability density histogram display for a digital oscilloscope which shows a probability density histogram display of an input signal waveform alongside the conventional voltage-versus-time time-domain display of the waveform. The histogram shows the relative frequency of occurrence of voltage amplitude levels of the waveform. The histogram is optional and shown simultaneously with the time-domain display of the waveform.

REFERENCES:
patent: 4072851 (1978-02-01), Rose
patent: 4495585 (1985-01-01), Buckley
IBM Research Development, May 1971, pp. 204-212; A. A. Guido et al.: "Automatic Pulse Parameter Determination with the Computer Augmented Oscilloscope System", *pp. 205, 210, FIGS. 3, 10*.
IEEE, "Pulse Measurement and Analysis by Objective Techniques", Section 4.3.1, Standard 181-1977.
Fred D. Rampey, Art Porter and Mike Karin, "1-GHz Digital Scope Keeps a Close Watch on Subnanosecond Logic", Oct. 18, 1984, Electronic Design.
Ed Evel, "Digital Oscilloscope is Quick on the Trigger to Nab Elusive Glitches", Oct. 31, 1984, Electronic Design, pp. 247-256.
Art Porter, "Sampling Sees Skinny Signals", Jan. 7, 1985, Electronics Week, pp. 41-44.
Bruce Webster, "A Simple Windowing System", Mar., 1986, Byte, pp. 129-133.
"Statistical Analysis of Waveforms and Digital Time-Waveform Measurements", Application Note 93, Hewlett Packard Company, Feb. 1969, pp. 3-5.
Sapankevych et al; "Measurement . . . ", Electronics; Sep. 22, 1981; vol. 54; No. 19; pp. 113-120.
Ganesan et al; "A Real-Time . . . "; IEEE Transactions on Industrial Electronics; vol. IE-29; No. 1; Feb. 1982; pp. 73-82.
Tektronix Catalog; Tektronix Inc., Beaverton, Ore.; 1971; pp. 137-139.

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