Problem 1 (5 pts) Let f be the function that's periodic with period 1 and is...
Let f(t) be periodic function with period T = 1 defined over 1 period as f(t) = {t -1/2 < t < 1/2} (a) Plot f(t) and find its Fourier series representation. (b) Find the first four terms of the fourier series.
Let f(t) be a 2L- periodic wave function with one period on -pi<= t <= pi defined as f(t) = 1 if |t| <= T and 0 if T < |t| <= pi Find the real fourier series of f(x) first and then convert to complex form
Let f (x) be a periodic function on R with period 21. On the interval (-11,), f(x) is given by f(x)=sin(x) 0<x51, = Let F(x) be the Fourier series of f(x). Select all correct statements from below. The Fourier series of -f (x) is -F(x). F(-1) = 0.
3. Consider the periodic function defined by sin(x f(x)-く 0T and f(x)-f(x + 27). 1 (a) Sketch f(x) on the interval-3π 〈 3T. 9 (b) Find the complex Fourier series of f(x) and obtain from it the regular Fourier series. 3. Consider the periodic function defined by sin(x f(x)-く 0T and f(x)-f(x + 27). 1 (a) Sketch f(x) on the interval-3π 〈 3T. 9 (b) Find the complex Fourier series of f(x) and obtain from it the regular Fourier series.
Let be a function defined by: We define by extension the odd, periodic function of period p = 2 which coincides with the function f (x) on the interval [0, 1]. Draw over the interval [−1, 3] the graph of the function towards which the Fourier series of the odd continuation of the function f (x) converges. f(x) = 1 + x2 pour 0 < x < 1.
1. Consider the function defined by 1- x2, 0< |x| < 1, f(x) 0, and f(r) f(x+4) (a) Sketch the graph of f(x) on the interval -6, 6] (b) Find the Fourier series representation of f(x). You must show how to evaluate any integrals that are needed 2. Consider the function 0 T/2, T/2, T/2 < T. f(x)= (a) Sketch the odd and even periodic extension of f(x) for -3r < x < 3m. (b) Find the Fourier cosine series...
-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
11. (10 points) Let f(t) be a 27-periodic function defined by f(t) = -{ 2 if – <t<0, -2 if 0 <t<, f(t + 2) = f(t). a) Find the Fourier series of f(t). b) What is the sum of the Fourier series of f at t = /2.
Problem 32: (20 points) Consider a periodic signal f(t), with fundamental period To, that has the exponential Fourier series representation f(t) = Σ Dnejuont . where wo 2T/To and 1. (2 points) When f(t) is a real-valued, show that DD This is known as the complex conjugate symmetry property or the Hermitian property of real signals. 2. (2 points) Show that when f(t) is an even function of time that Dn is an even function of n 3. (2 points)...
4. Let f be a differentiable function defined on (0, 1) whose derivative is f'(c) = 1 - cos (+) [Note that we can confidently say such an f exists by the FTC.) Prove that f is strictly increasing on (0,1). 5. Let f be defined on [0, 1] by the following formula: 1 x = 1/n (n € N) 0, otherwise (a) Prove that f has an infinite number of discontinuities in [0,1]. (b) Prove that f is nonetheless...