Raised-cosine filter
Pulse-shaping filter in digital modulation / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Raised-cosine filter?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
The raised-cosine filter is a filter frequently used for pulse-shaping in digital modulation due to its ability to minimise intersymbol interference (ISI). Its name stems from the fact that the non-zero portion of the frequency spectrum of its simplest form () is a cosine function, 'raised' up to sit above the (horizontal) axis.