Alias detector for digital oscilloscopes

Details Alias detector for digital oscilloscopes Alias detector for digital oscilloscopes

1984-11-06

1987-04-07

Lall, Parshotam S.

Boots, shoes, and leggings

364724, 340347SH, H03K 1302

Patent

active

046565981

ABSTRACT:
An alias detector for digital oscilloscopes is provided to detect inaccurate reconstructions of waveforms. Testing may be done according to the Nyquist criterion of a minimum of two points per period of the waveform or according to a user-specified criterion. The testing may be useful for detecting perceptual aliasing. The alias detector may automatically correct the error or display a warning to the user. The time frame for testing may be varied with reference to the time frame displayed to the user.

REFERENCES:
patent: 3156899 (1964-11-01), Reich et al.
patent: 4143365 (1979-03-01), Cayzac et al.
patent: 4222077 (1980-09-01), Yamada
patent: 4283713 (1981-08-01), Philipp
patent: 4313195 (1982-01-01), Lehmann
patent: 4568912 (1986-02-01), Kitamura et al.

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