1. Periodic signals with period To can be presented by Fourier Series in Complex Exponential or...
2. Increase the period of square signal in (b) with keeping same pulse duration, as shown in the following figure То (c) A -A Ti Find the Fourier series coefficients az, as well as M7 and 8. for (c) T1=(1/4)To. Sketch the spectrum for both cases. Consider what spectrum will be if T1/To → 0. Procedures: Use the Signal Generator to generate the above signals according to the setting listed in Table I and measure the spectral from the Digital...
3) (Symmetries and Fourier Coefficients) Compute the Fourier Series Coefficients a, b and XTk] for the following periodic repeating signals. Where appropriate, simplify the results for odd or even values of k. Note: You can not use the half-wave symmetry integrals if the half-wave symmetry is "hidden" (i.e. if there is a DC offset).] xft) Signal i x(t) Signal5 x(t) Signal 4 aeP O80 0.5 -1 4 8 I 2 4 3) (Symmetries and Fourier Coefficients) Compute the Fourier Series...
Problem 6: I7 Points For the following periodic signal, x(t) 4OSesi a) Express the signal exponent +cos(9t) +2cos(15t) al in complex exponential Fourier series form. 13 r series coefficients and sketch the spectral line. [2 Find the fundamental frequency and identilY the harmonics in the signal. 12) Solution Problem 6: I7 Points For the following periodic signal, x(t) 4OSesi a) Express the signal exponent +cos(9t) +2cos(15t) al in complex exponential Fourier series form. 13 r series coefficients and sketch the...
1. Compute the trigonometric Fourier series and exponential Fourier series for the periodic signals shown below. ANNA 6 -4 4 / X(t) e1/10 (b)
For the next two signals, use the Fourier Series analysis equation (3.39) to compute the coefficients. In each case, first determine the fundamental period of the signal. (i) x(t)-4m,000 δ(t-2m) (ii) The signal, x(t), shown below: x(t) e-2t -2 0 4 b.) For the next two signals, use the Fourier Series analysis equation (3.95) to compute the coefficients. In each case, first determine the fundamental period of the signal. (ii) The signal, x[n], shown below: x[n] 1 -5 For the...
Problem 4: [8 Points] x(t) is a continuous periodic signal that has complex exponential Fourier series coefficients as Do = 1, Dn = 2 (1 + j(-1)") Sketch the magnitude and phase spectral-line up to the a) b) Estimate the signal's power from the 1t four h c) Write the math ematical expression for the complex exponential Fourier series expansion form. 12) Solution: Problem 4: [8 Points] x(t) is a continuous periodic signal that has complex exponential Fourier series coefficients...
Use MATLAB to solve this question: Lab Exercises: Fourier Series Coefficients 4 In this lab, the objective is to create a set of functions that will enable us to do the following 1. Evaluate the Fourier Series coefficients for the following periodic signal which is defined over one period to be rt)240sin (100nt) for 0ts 1/100 (6) The period is 1/100 seconds. This signal is called a full-wave rectified sinusoid, because it contains only the positive lobe of the sinusoidal...
signal and systems 3.11. For each of the following signals, compute the complex exponential Fourier series by using trigonometric identities, and then sketch the amplitude and phase spectra for all values of k , (a) x(t) = cos(51-7r/4) (b) x(1) sin! + cos[
3.11-For each of the following signals compute the complex exponential Fourier series by using trigonometric identities,and then sketch the amplitude and phase spectra for all values of k (a) x(t)-cos(5t-π/4) (b) x(t) sint+ cos t 756 Chapter & The Series and fourier Translorm 023 4 5 ibi FIGURE Pa P33 3.13 Problems 157 in 0 14 12 3 I) ain FIGURE ,3.3 (antísndj (c) sti)-cos(1-1) + sin(,-%) 3.12. Determine the exponential Fourier series tor the Following periodic signals 3.11-For each...
Let x(t) and y(t) be periodic signals with fundamental period T and Fourier coefficients αn and βn, respectively. Use the properties of Fourier series and find the Fourier series coefficients of the following signals in terms of@n, βn, or both. a) V,(t) = x(t-to) + x(t + to) b) yb (t) = 2x(t-1) + 3y(t-1) c) ye(t) = x(-t) + x(-t-to) d) ya(t)=x(t)y(t) 1.