Get the most out of your questions with the extensive resources available on IDNLearn.com. Get step-by-step guidance for all your technical questions from our knowledgeable community members.

In the context of signal processing or communications, what does "threshold distance" typically refer to?
a) The minimum distance at which a signal can be reliably detected
b) The maximum distance a signal can travel before it is amplified
c) The distance at which a signal starts to degrade
d) The distance between two signal sources in a network