Eye violation detectors

Details Eye violation detectors Eye violation detectors

1985-03-27

1986-12-30

Harkcom, Gary V.

Excavating

371 5, 371 22, 375 10, G06F 1100, H04B 1700

Patent

active

046334653

ABSTRACT:
Eye violation detectors which provide either one of a "graded" or "half-graded" eye violation indicator technique. More particularly, the eye violation detector for practicing the "graded" technique provides an eye violation region in one or more eyes of a multiple eye pattern which is uniformly disposed on either side of the center of each of one or more eyes of the multiple pattern and includes a different amplitude in each of the eye patterns of interest. The eye violation detector for practicing the "half-graded" technique provides an eye violation region in one or more eyes of a multiple eye pattern which is disposed on only one side of the center of each of one or more eyes, except for the center eye of the multiple eye pattern, and includes a different amplitude in each of the eye patterns of interest.

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patent: 4367550 (1983-01-01), Douverne
Hammond et al., NTC'73, Atlanta, Ga., vol. 1, pp. 4C/1-8, Nov. 1973, "Extrapolation Monitors for Digital PSK Lines".
Hogge, Jr., NTC'77, Los Angeles, Calif., vol. 3, pp. 43.3.1-43.3.3, Dec. 1977, "Performance Monitoring of a Digital Radio by Pseudo-Error Detection".
Keelty et al., IEEE Trans. Comm., vol. COM-36, No. 8, Aug. 1978, pp. 1275-1282, "On-Line Pseudo-Error Monitors for Digital Transmission Systems".
Feher, Digital Communications: Microwave Applications, Prentice-Hall, pp. 51-60, 1981.
Hill, 1983 IEEE Military Comm. Conf., Wash., D.C., vol. 1, pp. 99-104.

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