What is the width of the main lobe of the frequency response of a rectangular window of length M-1?
A. π/M
B. 2π/M
C. 4π/M
D. 8π/M
Answer:A
What is the width of the main lobe of the frequency response of a rectangular window of length M-1?
A. π/M B. 2π/M C. 4π/M D. 8π/M
Explanation: The width of the main lobe width is measured to the first zero of W(ω)) is 4π/M.