In
telecommunications the Kendall effect is a spurious pattern or other
distortion in a
facsimile
A facsimile (from Latin ''fac simile'', "to make alike") is a copy or reproduction of an old book, manuscript, map, Old master print, art print, or other item of historical value that is as true to the original source as possible. It differs from ...
.
It is caused by unwanted
modulation
In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the ''carrier signal'', with a separate signal called the ''modulation signal'' that typically contains informatio ...
products which arise from the
transmission
Transmission may refer to:
Medicine, science and technology
* Power transmission
** Electric power transmission
** Propulsion transmission, technology allowing controlled application of power
*** Automatic transmission
*** Manual transmission
*** ...
of the
carrier signal, and appear in the form of a rectified
baseband that interferes with the lower
sideband of the carrier.
The Kendall effect occurs principally when the single-sideband width is greater than half of the facsimile
carrier frequency.
References
Fax
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