Condsider the ODE d2 x () + 32 x (t) = F (t) where the forcing function is given by the Fourier s...
Condsider the ODE d2 1 (t) + 50 x (t) = F(t) dt2 where the forcing function is given by the Fourier series F(+) = 0 +21 on sin (nt) with co = 9, c1 = 10, ... Assuming a particular solution of the form Ip (t) = a0 + Anal (an cos (n t) + bn sin (nt)) find and enter the exact values of an and bn requested below. 20 41 == 61 - 10
4. Recall that if f(x) is a function defined on (-7, that converges to its' Fourier Series then f(3) =" + ] (a, cos nz + by sin n2) where an = = ſs(z) cos(n2) dz for n = 0,1,2,..., and bn = "S(2) sin(n2) d2 for n = 1,2,.. Show that the Fourier Series above can be expressed in the following alternative form: S(=) = :slads + ŽIs(5) coaln(5 – 7 ) ds.
f(x)=\x(-2<x<2), p = 4 for the given periodic function, what the Fourier series of f? a. an= 8 -cos(nm) 22 n' bn=0 Ob. 4 an = -COS(nn) n?? 4 bn= n2012 C. an 4 cos(nn) n272 bn=0 O d. an 4 22 [(-1)" – 1] bn=0 e. an= 4. -sin(n) n' 2 bn=0
Let the Fourier series of f(z) = { 0,6, 2<250, on (-2,2) be 20+ an cos(112/2) + bn sin(nm2/2). (a) Find the exact values of the following Fourier coefficients. 20 0 41 (b) Evaluate the Nth partial sum N ap + an cos(ntx/2) + bn sin(n2/2) n=1 for N = 4 and 1=0.2. The Nth partial sum is Number Enter your answer to four decimal places accuracy.
(1 point) Find the Fourier series expansion, i.e., f(x) [an cos(170) + by sin(t, x)] n1 J1 0< for the function f(1) = 30 < <3 <0 on - SIST ao = 1 an = cos npix bn = Thus the Fourier series can be written as f() = 1/2
You are given a finite step function xt=-1 0<t<4 1 4<t<8. Hand calculate the FS coefficients of x(t) by assuming half- range expansion, for each case below. Modify the code below to approximate x(t) by cosine series only (This is even-half range expansion). Modify the below code and plot the approximation showing its steps changing by included number of FS terms in the approximation. Modify the code below to approximate x(t) by sine series only (This is odd-half range expansion).. Modify...
Consider the Fourier Series for the periodic function: x(t) = 4+ 4 cos(5t)+ 6 sin (10t) a.) Find the Fourier coefficients of the exponential form. b.) Find the Fourier Coefficients of the combined trigonometric form. c.) Sketch the one-sided power spectral density
A function is defined over (0,6) by 0 <and I <3 f(1) = - { 3<; and <6 We then extend it to an odd periodic function of period 12 and its graph is displayed below. N y 1 0 -10 5 5 10 15 X The function may be approximated by the Fourier series f (t) = a0 + 1 (an cos (021 ) + bn sin ( 122 )), where L is the half-period of the function. Use...
4. Consider the Fourier series for the periodic function given below: x(t) = 3 + 5Cost + 6 Sin(2t + /4) Find the Fourier coefficients of the combined trigonometric form for the signal.
Please show all your works. Thanks. 4.(25 pts) Consider a periodic function X(t) = Sin(3t). Cos . Express x(t) in Exponential Fourier Series form and calculate Fourier Coefficients Co, C1, C-1,C2, C-2 ... etc (as many Fourier Coefficients as needed). What is the fundamental frequency (wo) of the x(t)? (hint: Use Euler's formula to express Sin(.) and Cos(.) in exponential forms)