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# mona assignment

mona assignment
Signals and Systems
EE/CE-301-Spring-2 2020
Assessment 1- Week 1 – Fourier series (Textbook: Chapter-3)
Individuel submission: Upload a (pdf) scanned version of your hand written answer to Moodle
Student name :……………….. Student ID : ……………………
Question 1 [50 points]: For the continuous-time periodic signal
𝑥(𝑡) = 1 + cos 3𝜋
4 𝑡 −
𝜋
2 + 2sin (𝜋𝑡 +
𝜋
3 )
A) [15 points] Explain using drawing how to find the fundamental frequency 𝒘𝟎 B) [15 points] Determine the Fourier series coefficients 𝒂𝒌 C) [05 points] Draw a bar graph show the magnitude of the Fourier series coefficients 𝒂𝒌 D) [15 points] Explain what Fourier series is? and where it can be applied?
You need to show all the steps that lead to the final result.

## mona assignment

Question 2 [50 points]: Using the Fourier series properties table,
A. [15 points] Find the FS coefficient 𝑐 of the periodic signal f(t) B. [20 points] Find the FS coefficients 𝑐 of the periodic signal f(t) C. [15 points] Explain (by writing paragraph/s) what are the differences between 𝑐 and
𝑐 ?
You need to show all the steps that lead to the final result.