a) Find the Fourier Transform of the half-cosine pulse shown in Fig. 1(a). b) Then apply the time-shifting property to the result obtained in part a) to evaluate the spectrum of the half-sine pul...
Use the time-shifting property and the result for the Fourier Transform of a cosine function to calculate the Fourier Transform of a sine function. Show that the phase response at positive and negative frequencies matches the expected result for a sine function.
2 ANOWI 20 .202019 pd What is the spectrum of the negative half-sine pulse shown in Fig. 1 e) Find the spectrum of the single sinc pulse shown in Fig. (d). Question 5 (20 points) Fourier transform X() of'n signal is shown in Fig. 2. Determine and sketch the Fourier transform of the signal x, (t) = -x(t) + x(t) cos(2000 t) + 2x(t) cos? (3000xt) Question 6 (20 points) Determine the Fourier Series expansion of the following periodic signals....
Problem 6 [5ptsl Find the Fourier Transform of the pulses shown below. More specifically, find the Fourier transform of the half-cosine pulse shown in (a), the half-sine pulse shown in (b), the negative half- sine pulse shown in (c) and the single sine pulse shown in (d). g(Ct) g(t) 0 T 0 g(t) g(t) 0 T
4) The Fourier transform of the triangular pulse x(t) in Fig. P7.3-4 is expressed as Use this information, and the time-shifting and time-scaling properties, to find the Fourier transforms of the signal shown below ts(t) -1.5-0.50.51.5
Problem 3. The Fourier transform pairs of cosine and sine functions can be written as y(t) = A cos 2nfot = Y(f) = 4 [86f - fo) +8(f + fo)], and y(t) = B sin 2nfot = Y(f) =-j} [8(f - fo) – 8(f + fo]. The FFT code is revised such that the resulting amplitudes in frequency domain should coincide with those in time domain after discarding the negative frequency portion of Fourier transform or the frequency domain after...
[b] State and prove frequency shifting property of Fourier transform Also find the fourier transform of gate function. [c] It is given that x[0] =1, x[1]=2, x[2]=1, h[0]=1. Let y[n] be linear convolution of x[n) and h[n]. Given that y[1]=3 and y[2]-4. Find the value of the expression 10y[3]+y[4].
2 part a and b , 3 part a and b 7 marks 2. Consider the Fourier transform pair a) Use the appropriate Fourier transform properties to find the Fourier transform of te-lti 5 marks) b) Use the results from part (a) and the duality property to determine the Fourier transform of 4t f(t) = (1 +t2)2 [15 marks 3. For the discrete time system shown in fig. 1 a) Determine the transfer function Hint: The best starting point is...
g(t) Given the signal g(t) = cos(t)), (1) Using the frequency-shifting property, find Fourier Transform G(f)in "sinc" format. (2) Find the Energy Spectrum Density (ESD): Sgf) = 1G(f)12 (3) Find and sketch the Autocorrelation R,(t) by Wiener-Khintchine Theorem. -210 210
(2) Consider the function f(x)- 1 (a) Find the Fourier sine series of f (b) Find the Fourier cosine series of f. (c) Find the odd extension fodd of f. (d) Find the even extension feven of f. (e) Find the Fourier series of fod and compare it with your result -x on 0<a < 1. in (a) (f) Find the Fourier series of feven and compare it with your result in (b)
0and / is an odd function of t, find the Fourier sine sin wt d for 0<t< 1 10, (a) If f(t) = for t a 0 transform of f. Deduce thato s if0<t < a. What is the value of the integral for t2 a? for 0 < t < b (b) If g(t)-{ b-t and g is an even function of t, find the Fourier 0 cosine transform of g. Deduce that foo 1-w2bw cosa t dw =...