artificial echo

artificial echo

[¦ärd·ə¦fish·əl ′ek·ō]
(electromagnetism)
Received reflections of a transmitted pulse from an artificial target, such as an echo box, corner reflector, or other metallic reflecting surface.
Delayed signal from a pulsed radio-frequency signal generator.
References in periodicals archive ?
The recently refurbished Muir Street District Museum also has interesting local heritage exhibitions, while the Hamilton Mausoleum in Strathclyde Park features one of the world's longest and loudest artificial echoes. The grand Hamilton Water Palace on Almada Street has a 25-metre pool and flumes.