एक वास्तविक अनुक्रम (real sequence) दिया गया है, जिसके 8-पॉइंट DFT आउटपुट मान X(0) = 5, X(1) = 1 + j, X(2) = 3 + j, और X(3) = 2 + 3j हैं। X(6) का मान क्या होगा?

A digital filter preserves the waveform shape of all frequency components of a signal. Which property does it exhibit?

Which of the following methods is NOT used to design an Infinite Impulse Response (IIR) digital filter?

Linear phase FIR filters have ______ group and phase delay responses.