Graded display of digitally compressed waveforms

Details Graded display of digitally compressed waveforms Graded display of digitally compressed waveforms

1994-12-08

1996-08-27

Nguyen, Phu K.

G06F 1500

Patent

active

055509630

ABSTRACT:
A visually graded display of digitally compressed waveforms for a digital storage oscilloscope. A histogram is formed by sampling or otherwise resolving a data set of values corresponding to an independent variable to produce a quantized set of values over a selected compression interval of the independent variable. The compression interval represents equal quanta of the independent variable and has associated therewith a set of histogram bins, each containing a number, wherein the number contained within each bin represents a weighted number of hits associated with vectors connecting selected pairs of such dependent variable values, wherein each vector is associated uniquely with one pair. The numbers are weighted for each vector according to drawing techniques, the drawing techniques alone or in combination allowing choices for signal display ranging between retaining maximal signal information, for emulating the display of an analog oscilloscope, or retaining less signal information. The numbers within the histogram bins are representative of an accumulation of vectors within a compression interval and are mapped to a display having a data axis and an independent variable axis. The mapping associates the contents of the histogram bins to a portion of the display and provides for the gradation of a visual characteristic, such as intensity or color, to represent, along the data axis, the data set of values.

REFERENCES:
patent: 5097430 (1992-03-01), Birang
patent: 5434593 (1995-07-01), Lecklider et al.
patent: 5462438 (1995-10-01), Becker et al.
patent: 5473742 (1995-12-01), Polyakov et al.

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