Equivalent time pseudorandom sampling system

Details Equivalent time pseudorandom sampling system Equivalent time pseudorandom sampling system

1986-05-01

1987-07-07

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

368120, 377 20, 324 77R, G04F 800, G03K 2132

Patent

active

046783458

ABSTRACT:
An equivalent time pseudorandom sampling system samples a repetitive waveform within each of several narrow acquisition windows bounding repetitive sections of the waveform in order to obtain equivalent time sample data characterizing the shape of the waveform included within the acquisition windows. The period between successive triggering events is measured and sampling is delayed following an initiating triggering event by delay time adjusted according to the measured period so as to maximize the probability that sampling will occur within an acquisition window. The time difference between samples and subsequent triggering event is measured with high accuracy and resolution utilizing a time interval measurement system based on a dual vernier interpolation.

REFERENCES:
patent: 4164648 (1979-08-01), Chu
patent: 4165459 (1979-08-01), Curtice
patent: 4383166 (1983-05-01), Chu et al.
patent: 4507740 (1985-03-01), Star et al.

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