Sinonim background signal

English Thesaurus

1. extraneous signals that can be confused with the phenomenon to be observed or measured (noun.event)

hypernym	:	disturbance, interference, noise,
definition	:	electrical or acoustic activity that can disturb communication (noun.event)

hyponym	:	background noise, ground noise,
definition	:	extraneous noise contaminating sound measurements that cannot be separated from the desired signal (noun.event)

hyponym	:	background radiation,
definition	:	radiation coming from sources other than those being observed (noun.event)