Plotting & Finding Fourier Coefficients of Waveform Cycle

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SUMMARY

The discussion focuses on plotting the first cycle of the waveform defined by the equation f(t) = 2u(t) - 2u(t-1) + u(t-2) - u(t-3) and finding its Fourier coefficients. The period of the waveform is not explicitly stated, leading to assumptions about its value. Participants are encouraged to explore the properties of the waveform, including its symmetry (even, odd, or neither) when extended to negative t. Key formulas for Fourier coefficients, an and bn, are also highlighted as essential for solving the problem.

PREREQUISITES
  • Understanding of Fourier series and coefficients
  • Familiarity with unit step functions (u(t))
  • Basic knowledge of waveform plotting techniques
  • Ability to analyze function symmetry
NEXT STEPS
  • Research the calculation of Fourier coefficients for piecewise functions
  • Learn about the properties of even and odd functions in signal processing
  • Explore waveform plotting using tools like MATLAB or Python's Matplotlib
  • Study the implications of periodicity in signal analysis
USEFUL FOR

Students in electrical engineering, signal processing enthusiasts, and anyone involved in analyzing waveforms and their Fourier representations.

hammadmunawar
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Homework Statement



Given the first cycle of a waveform:

f(t)=2u(t)-2u(t-1)+u(t-2)-u(t-3)

-- Plot the first cycle of the wave form
-- Find the Fourier Coefficients

Homework Equations



Given above

The Attempt at a Solution



No idea yet. Will appreciate any help.
 
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Although the author should have specified the period, one might assume from what you were given that the period is P = ?

If you draw another cycle for negative t, would the function look even, odd, or neither?

What are the formulas for an and bn, remembering that u function has values of only 0 or 1.

Answering those questions might get you started.
 

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