An FIR filter Bartlett window has lower peak side-lobes than a rectangular windo

Question

An FIR filter Bartlett window has lower peak side-lobes than a rectangular window, a) True b) False The system with impulse response h[n] = 2 2n u[n-1] is an FIR filter, a) True b) False A 2 sample/second filter with impulse response h[n] is constructed using the impulse invariance method for h(t) = 2 -t u(t). Given this filter, h[n]= a) (2^-n) u[n] b) 2^-2n u[n] c) 0.5 (2^-n/2) u[n] d) none above Pre-warped bilinear transform filter designs suffer from aliasing. a) True b) False The magnitude of the frequency spectrum, |X(Q)|, for a continuous time signal x(t) is given below. To avoid aliasing, the signal x(t) must be sampled at a rate greater than a) 15 Hz b) 20 Hz c)25Hz d) 30 Hz e)40Hz

Explanation / Answer

answer 21

true

In bertlett window nearest peak is -26db down from the main lobe.

And in rectangular window nearest peak is -13db down from the main lobe

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