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No-1 2. Consider the discrete-time Fourier series x[n] = k¹ce/2nk/No, where No = 6 samples and the sequence of coefficients CK =-1,-1,Compute and plot the resulting signal x[n] for n = 0, ..., 17. Is the result periodic? 3. Consider a real-valued periodic discrete-time signal x[n] having period W = 4 samples. The discrete-time Fourier series coefficients for x[n] are ck = {5, C₁,-1,-1+j}. a) Find the unknown Fourier series coefficient a. Hint: this problem can be solved by inspection. N-I b) Find the total powerx[] in the periodic sequence x[n]. n=0

No-1 2. Consider the discrete-time Fourier series x[n] = k¹ce/2nk/No, where No = 6 samples and the sequence of coefficients CK =-1,-1,Compute and plot the resulting signal x[n] for n = 0, ..., 17. Is the result periodic? 3. Consider a real-valued periodic discrete-time signal x[n] having period W = 4 samples. The discrete-time Fourier series coefficients for x[n] are ck = {5, C₁,-1,-1+j}. a) Find the unknown Fourier series coefficient a. Hint: this problem can be solved by inspection. N-I b) Find the total powerx[] in the periodic sequence x[n]. n=0

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.4: Hyperbolas
Problem 5ECP: Repeat Example 5 when microphone A receives the sound 4 seconds before microphone B.
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Can you help me question 2 and 3? Thank you. 

2. Consider the discrete-time Fourier series x[n] = ¹ Σx=¹Cke/²nk/No, where No = 6 samples and the sequence of coefficients cx = {-1,-1, Compute and plot the resulting signal x[n] for n = 0, ..., 17. Is the result periodic? 3. Consider a real-valued periodic discrete-time signal x[n] having period W = 4 samples. The discrete-time Fourier series coefficients for x[n] are ck = {5, c₁,-1, −1 + j}. a) Find the unknown Fourier series coefficient G. Hint. this problem can be solved by inspection. b) Find the total power|x[n]² in the periodic sequence x[n]. n-0
Transcribed Image Text:2. Consider the discrete-time Fourier series x[n] = ¹ Σx=¹Cke/²nk/No, where No = 6 samples and the sequence of coefficients cx = {-1,-1, Compute and plot the resulting signal x[n] for n = 0, ..., 17. Is the result periodic? 3. Consider a real-valued periodic discrete-time signal x[n] having period W = 4 samples. The discrete-time Fourier series coefficients for x[n] are ck = {5, c₁,-1, −1 + j}. a) Find the unknown Fourier series coefficient G. Hint. this problem can be solved by inspection. b) Find the total power|x[n]² in the periodic sequence x[n]. n-0
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