Engineering, 14.05.2020 11:57 Leffew

. Let hd(n) be the impulse response of an ideal lowpass filter. With w1(n) = 1, n = 0, . . . , M − 1 0, otherwise w2(n) = ( 1 − 2|n− M−1 2 | M−1 , n = 0, . . . , M − 1 0, otherwise consider two FIR filters with impulse responses h1(n) = w1(n)hd n − M − 1 2 h2(n) = w2(n)hd n − M − 1 2 (you can assume M is odd). (a) Which filter, h1(n) or h2(n), has a sharper transition between passband and stopband? (b) Which filter has lower sidelobes in the stopband?

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. Let hd(n) be the impulse response of an ideal lowpass filter. With w1(n) = 1, n = 0, . . . , M − 1...