3) Impulse response of an FIR and LTI system with linear phase is given as: h(n)={1, -1/2, 2, -1/2, 1}, n=0,1,2,3,4. a) Calculate the frequency response of the system using DFT. Write the magnitude response, phase response and the group delay of the system.
3) Impulse response of an FIR and LTI system with linear phase is given as: h(n)={1, -1/2, 2, -1/2, 1}, n=0,1,2,3,4. a) Calculate the frequency response of the system using DFT. Write the magnitude response, phase response and the group delay of the system.
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b3 Digital signal rpocessıng question.
![3) Impulse response of an FIR and LTI system with linear phase is given as: h(n)={1, -1/2, 2, -1/2, 1},
n=0,1,2,3,4.
a) Calculate the frequency response of the system using DFT. Write the magnitude response, phase
response and the group delay of the system.
b) Let h'(n)={1, -1/2, 2, -1/2, i, 0} signal be the periodic version of h(n) with period N=6. Find DFS
coefficients of h'(n). Find and compare the computational loads of DFT and FFT algorithms.
(Computational load for DFT is N²,and for FFT is Nlog2N.)
c) The input signal x(n)={1, 2} is applied to the system in (a). Find the 5 points circular convolution
of x(n) and h(n) in time domain: c(n) = x(n) *s h(n)
d) Now, calculate the output of the system, y(n), firstly with linear convolution: yı(n) = x(n) * h(n),
then calculate the output with 6 points in time domain: yz2(n) = x(n) *6 h(n). Compare the results.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F26d64e88-6585-4b1c-be99-13f6e4b925fc%2F0b8b217c-d1d5-4ff2-9052-19c2a1489bb2%2Fv50ymh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3) Impulse response of an FIR and LTI system with linear phase is given as: h(n)={1, -1/2, 2, -1/2, 1},
n=0,1,2,3,4.
a) Calculate the frequency response of the system using DFT. Write the magnitude response, phase
response and the group delay of the system.
b) Let h'(n)={1, -1/2, 2, -1/2, i, 0} signal be the periodic version of h(n) with period N=6. Find DFS
coefficients of h'(n). Find and compare the computational loads of DFT and FFT algorithms.
(Computational load for DFT is N²,and for FFT is Nlog2N.)
c) The input signal x(n)={1, 2} is applied to the system in (a). Find the 5 points circular convolution
of x(n) and h(n) in time domain: c(n) = x(n) *s h(n)
d) Now, calculate the output of the system, y(n), firstly with linear convolution: yı(n) = x(n) * h(n),
then calculate the output with 6 points in time domain: yz2(n) = x(n) *6 h(n). Compare the results.
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