2. Calculate the exponential Fourier series representation of the periodic function f(t) graphed below. Each arrow...
-Let-f(t)= 10 +:īncos nuot ot Could f(t) be the Fourier series representation of the periodic function shown below? Use qualitative reasoning only, i.e., do not attempt to find the Fourier series coefficients in answering this question. Justify your answer
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
A periodic signal x(t) is shown below. We want to find the Fourier Series representation for this signal. x(t) AA -4 -2 1 2 4 6 8 (a) Find the period (T.) and radian frequency (wo) of (t). (b) Find the Trigonometric Series representation of X(t). These include: (a) Fourier coefficients ao, an, and bn ; (b) complete mathematical Fourier series expression for X(t); and (c) first five terms of the series.
Find the exponential-form Fourier series for the periodic function shown below. gt)
Question 3 Determine the Exponential Fourier Series of the periodic signal shown in Figure 1 F(t) 1 -2 1 2 Figure 1 (10 marks)
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)
Question 1 Find the Fourier series representation of the periodic function below if p = 15 and q = 3. Then, evaluate the first few terms of the series up to n = 5 at x = 9.35. 9 -5 < x < 0 f(x)={p if 0<x<10 if f(x+20)= f(x) 9 10 < x <15
(20 points) 1. (8 points) Suppose that f(t) is a periodic signal with exponential Fourier series coefficients Dn. Show that the power P of f(t) is This is Parseval's theorem for the exponential Fourier series. 2. (12 points) If f(t) is real-valued, Parseval's theorem can be as a) (3 points) Find the power of the PWM signal shown in figure 1. Hint: for this part don't use Parseval's theorem b) (9 points) Use Parseval's theorem for a real-valued signal to...
The exponential Fourier series of a certain periodic signal is given as f(t) (2+j2) exp(-j300t) +j2 exp(-j10t) +3 -j2 exp^10t)+ (2-j2) expG300t) a. Find the compact trigonometric Fourier series of f(t). b. Find the bandwidth of the signal c. Find the Fourier Transform of f(t) d. Design a simple low pass filter (RC circuit) that reduces the amplitude of the highest frequency part oft(t) by at least 50%. Write down its H(0) and plot its spectrum. e. Plot the spectrum...
1. Find the Fourier series for the following 1-periodic function f(t) = t, t < -- 2. Find the sum 24 3444 (Hint: Consider the Fourier series for the function f(t)-t2 on [- integer k.) 1) and f(t-k)-f(t) for all
1. Find the Fourier series for the following 1-periodic function f(t) = t, t