For each of the periodic signals in Fig. P3.4-3, find the exponential Fourier series and sketch the corresponding spectra. 3.5-1 4 Fig. P3.4-3 /2 1 x(t) 1/ 2 0l -2π -π 2π Fig. P3.4-4 II x(t) -2π 0l...
For each of the periodic signals in Fig. P3.4-3, find the exponential Fourier series and sketch the corresponding spectra. са А . А А и ДАЛИ ДА Fia. P3.4 - 3 -3 -2
6.1-1 For each of the periodic signals shown in Fig. P6.1-1, find the compact trigonometric Fourier series and sketch the amplitude and phase spectra. If either the sine or cosine terms are absent in the Fourier series, explain why. -π/4 π/4
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...
Q1) For the periodic signals x() and ) shown below: x(t) YCO y(t) a) Find the exponential Fourier series for x(t) and y). b) Sketch the amplitude and phase spectra for signal x(). c) Use Parseval's theorem to approximate the power of the periodic signal x() by calculating the power of the first N harmonics, such that the strength of the Nth harmonic is 10% or more of the power of the DC component. Q1) For the periodic signals x()...
2. For each of the periodic signals shown below, (a) Compute the exponential Fourier-series. (b) Sketch the magnitude and phase spectra for - 55ns5. Compute the relative error due to truncation when only 11 terms (-5S S5) in the series expansion are kept. *** WAN_ + 1 + 3 + 5 0 2 4 *_ _ 0 2 4 6
For each of the periodic signals shown in Fig. P6.1-1, find the compact trigonometric Fourier series and sketch the amplitude and phase spectra. If either the sine or cosine terms are absent in the Fourier series, explain why.
3. [45] Compute the exponential Fourier series representation for the following signals and sketch the amplitude and phase spectra. x(t) -7 -6 -2 -1 4 5 6 x(t) b) c) x(t) periodic with period 4 and (sin(at),0 <t<2 x(0) = { 0,2 <t 54
please solve the question. 2.744 For each of the periodic signals shown in Fig. P2.7-4. find the exponential Fourier series and sketch the amplitude and phase spectra Note any symmetric property. 1130.2920 3:3733 Figure P.2.7-4 -S Scanned wit-7 CamScanner GAA Scene CamScanner
3) Find the exponential Fourier series for the periodic signal x(t)= e 1/2 over the range 0..1, periodically continued. 4) Plot the amplitude and phase spectra of this signal. How do they compare to (2) above?
Consider the following problems related to the exponential Fourier series. (a) The exponential Fourier series of a periodic signal x(t) of funda- 4.7 mental period To is 3 i. Determine the value of the fundamental period To ii. What is the average or dc value of x(t)? iii. Is x(t) even, odd, or neither even nor odd function of time? iv. One of the frequency components of x(t) is expressed as Acos(ST) 0- What is A? (b) A train of...