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Consider the signal x[n] = cos(rn) + sin(n). (a) Find the DTFS coefficients of a[n]. (b) Plot (by hand or use MATLAB) the power density spectrum (a plot of |ck|2 vs frequency) [n], and plot the phase spectrum (a plot of Zck vs frequency) of a[n]. In both plots, your horizontal (frequency) axis should range from 0 to 27 rad/sample.

Consider the signal x[n] = cos(rn) + sin(n). (a) Find the DTFS coefficients of a[n]. (b) Plot (by hand or use MATLAB) the power density spectrum (a plot of |ck|2 vs frequency) [n], and plot the phase spectrum (a plot of Zck vs frequency) of a[n]. In both plots, your horizontal (frequency) axis should range from 0 to 27 rad/sample.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Consider the signal ax[n] = cos(n) + sin(n). (a) Find the DTFS coefficients of x[n]. (b) Plot (by hand or use MATLAB) the power density spectrum (a plot of |ck|² vs frequency) [n], and plot the phase spectrum (a plot of Zck vs frequency) of x[n]. In both plots, your horizontal (frequency) axis should range from 0 to 27 rad/sample.
Transcribed Image Text:Consider the signal ax[n] = cos(n) + sin(n). (a) Find the DTFS coefficients of x[n]. (b) Plot (by hand or use MATLAB) the power density spectrum (a plot of |ck|² vs frequency) [n], and plot the phase spectrum (a plot of Zck vs frequency) of x[n]. In both plots, your horizontal (frequency) axis should range from 0 to 27 rad/sample.
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