The transition band refers to the frequency range in a filter where the response changes from passband to stopband. It is a crucial feature of filters, indicating how quickly a filter transitions between allowing certain frequencies to pass and attenuating others. The width of the transition band is important as it affects both the sharpness of the filter's cutoff and the amount of ripple in the filter's response.
congrats on reading the definition of transition band. now let's actually learn it.