Method and system for displaying the amplitude distortions...

Details Method and system for displaying the amplitude distortions... Method and system for displaying the amplitude distortions...

2001-01-16

2008-10-28

Burd, Kevin M (Department: 2611)

Pulse or digital communications

Testing

With indicator

C702S067000

Reexamination Certificate

active

07443912

ABSTRACT:
In order to display the amplitude distortions of a transmission channel, the amplitude distribution of a measurement signal of a known amplitude distribution is measured at the output of the transmission channel. Based on a given multitude of amplitude measured values that are measured and digitized in succession, the frequency of occurrence of the amplitude distribution is then determined and displayed in adjacently connected amplitude windows.

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Shake et al.,Electronics Letters, “Optical signal quality monnitoring method based on optical sampling”, vol. 34, No. 22, pp. 2152-2154 (Oct. 29, 1998).
Mueller, et al., ECOC 98, “Application of Amplitude Histograms for Quality of Service Measurements of Optical Channels and Fault Identification”, pp. 707-708, 20-24, Sep. 1998.

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