What is the power of the signal below? What is the energy of 2t sinc^(2) (2t)?
What is the power of the signal below? What is the energy of 2t sinc^(2) (2t)?...
2. Categorise each of the following signals as either an energy or power signal, and find the energy or power of the signal. (12 marks a) *(t) = 5 cos 2nft. - <t <co b) x[n] = 2e/3n c) *(t) = cos(t) + 5cos 2t ,- <t< W d) *(t) = {Acos 2nft - To/2st ST,/2, where To = 1/5 otherwise
Use Parseval's relation to determine the energy in the signal x(t) = sinc (t) + 4 sinc (4t)
Classify each signal as a power signal, an energy signal, or neither. For a power signal, find the normalized power; for an energy signal, find the normalized energy (b) tu(t)
signals and systems (power and energy signals) Q) Prove that the power of an energy signal is zero over infinite time. Also, prove that the energy of a power signal is infinite over infinite time.
Introduction to Wireless Digital Communication 44. Consider the following passband sinc pulse signal: (t) = 2sind(2x 107t) cos (4.8 × 10-t) (a) Determine and plot p()l, where Xpf) is the continuous-time Fourier trans (b) Find the complex baseband equivalent signal a() of p(t). Plot x(f)I, where zp 3.540) where sinc(a)) form of rp(t). Do not forget to label correctly. x(f) is the continuous-time Fourier transform of r(t). Do not forget to label correctly (c) Determine the absolute bandwidth of the...
No. 4 (5 points) Given a signal x(t)= 1 + sin(2t). (1) Is it a period signal or not? If so, write -down period T (2) Calculate its size (signal energy? or signal power?)
2. a) A signal, g(t)-sinc(20nt), is uniformly sampled at a rate of (i) 15 Hz, (ii) 25 Hz. For each of these cases, sketch the spectrum of the sampled signal. b) Consider an analog signal,
TO 2, the signal m(t) 20 sinc ( 400't) is an input to a ring modulator with carrier frequency 10 fm where fm is the maximum frequency of m(t)} (a) Draw the block diagram of the used ring modulator and write down equation of the output signal of the modulator (b) Sketch spectrum of the modulated transmitted AM signal (c) Sketch the corresponding VSB AM spectrum with 25% of visitgal band relative to the other band. TO 2, the signal...
NB: In this Webwork problem, take sinc(t) = sin(t)/t (in contrast, in Signal Processing literature, sinc(t) = sin(mt)/at). Find the Fourier transform Xı(w), X2(w), and X3(W) of the signals xi(t), x2(t), and x3(t), using the Fourier transform pair X(t) = u(t + 1) – ult – 1) + X(W) = 2 sinc(w). Then select the Fourier transform property you used for each signal, from the corresponding drop-down menu. In your answers, enter “w” for omega. a) x1(t) = -3u(t +...
9-5. Given: an ideal digital BPF has impulse response h(n) = z sinc(n) - sinc(n). What is its output signal when the input signal is the sequence cos(2n)?