Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – With auxiliary means to condition stimulus/response signals
Patent
1994-07-13
1995-11-07
Wieder, Kenneth A.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
With auxiliary means to condition stimulus/response signals
324626, 324620, 324612, 330 2, 331 78, G01R 1704
Patent
active
054650500
ABSTRACT:
A dynamic range tester which simultaneously generates two signals, each of hich is composed of a clean signal plus an excess quantity of independent and isolated random noise is disclosed for use in producing real world signals which can be used to provide a simulated operating environment within which to evaluate the dynamic range or evaluate the processing gain of an electronic or acousto-optic system. The power level of the signal and power level of the noise in each of the two outputs of the dynamic range tester can be independently varied such that a range of signal-to-noise ratios may be set-up in each output.
REFERENCES:
patent: 2773186 (1956-12-01), Herrmann
patent: 2987586 (1961-06-01), Berger
patent: 3517168 (1970-06-01), McCarthy
patent: 3731186 (1973-05-01), Sadel
patent: 4028622 (1977-06-01), Evans
Marinelli Anne M. P.
Patterson Michael S.
Dynda Frank J.
Krosnick Freda L.
Solis Jose M.
The United States of America as represented by the Secretary of
Wieder Kenneth A.
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