https://wiki.sarg.dev/index.php?action=history&feed=atom&title=Forward_echo 2026-04-23T15:38:46Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wiki.sarg.dev/index.php?title=Forward_echo&diff=27293&oldid=prev 2022-12-01T02:39:35Z

<p>short description, links, rewording</p> <p><b>New page</b></p><div>{{short description|Propagation of a signal reflection in the same direction as the original}}<br /> <br /> In [[telecommunications]], a &#039;&#039;&#039;forward echo&#039;&#039;&#039; is the propagation of a [[signal reflection]] in the same direction as the original [[signal]] and consisting of [[energy]] reflected back by one discontinuity and then forward again by another discontinuity. Forward echoes can be supported by reflections caused by splices or other discontinuities in the [[transmission medium]] (e.g. [[optical fiber]], twisted pair, or coaxial tube). In [[metal]]lic lines, they may be supported by [[Impedance matching|impedance mismatches]] between the source or [[Electrical load|load]] and the [[characteristic impedance]] of the transmission medium. They may cause [[attenuation distortion]].<br /> <br /> ==See also==<br /> * [[Pre-echo]]<br /> <br /> ==References==<br /> {{FS1037C MS188}}<br /> <br /> [[Category:Telecommunications engineering]]<br /> [[Category:Telephony]]<br /> <br /> <br /> {{telephony-stub}}</div>

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