Chapter 15, Problem 1P

Assignment signal and systems (1) Compute the signal power and signal energy for the discrete-time signal x(n ) = e10jn u(n) . (2) (a) Sketch the function for 3 cycles:                                     0 if -4 ≤ t ˂ 0 f(t) =        5 if 0 ≤ t ˂ 4   f(t) = f(t + 8) (b) Find the Fourier series for the function

Find the Fourier series of f(x) as given over one period and sketch f(x) and partial sums: SOLUTIONS REQUIRED. THIS IS RUSH PLEASE HELP ME

Find the Fourier series coefficients of the signal.

find the complex exponential Fourier series and spectral frequency forthe functions

Solve for the fourier coefficient of the equation

Consider a function x(t) with a period T0=2 and C0x=3 Given another function: y(t)=−4x(t−2)−2 Find the Fourier coefficient Cky in terms of the Fourier coefficient Ckx: Select one: Cky=Ckxejk2π Cky=Ckxejkπ Cky=Ckxe−jk4π Cky=Ckxe−jk2π

Find the fourier transform of cos(2πf0t + θ) ?

Consider two discrete signals x1[k] and x2[k]. Let x1[k]; x2[k] be periodic signals with periods N,M respectively. Define y[k] = x1[k] + x2[k]. a) Show that y[k] is periodic with N M. b) Let Fourier coefficients of x1[k] and x2[k] be ak, bk respectively. Find Fourier coefficients ck of y[k] in terms of ak and bk.

If the Fourier transform of the signal x [n] is equal to x (ejw), find the value of the Fourier transform of y [n] in terms of x (ejw)