Signal: x(t) =
2cos(3πt)
Sketch the signal. Please make sure to label all relevant
features.
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Signal: x(t) = 2cos(3πt) Sketch the signal. Please make sure to label all relevant features.
Question #4: Consider the signal x(t) cos(2π (a) Sketch the signal. Please make sure to label all relevant features. (b) Is the signal continuous or discrete? Explain. (c) Is the signal even, odd, or neither? Demonstrate
x(t)-1 0cos (50π t) + 4sin4(200π t)+2cos(300π t) d) Sketch the magnitude spectrum of x(t) as a function of frequency-clearly label each component Sketch the phase spectrum of x(t) as a function of frequency-clearly label each component e) f What is the total power of the signal x()? (You can leave as an arithmetic expression) x(t)-1 0cos (50π t) + 4sin4(200π t)+2cos(300π t) d) Sketch the magnitude spectrum of x(t) as a function of frequency-clearly label each component Sketch the...
f(t) 18) Make a sketch of the time domain function f(t) (t-1)us(t) on the grid provided. Label key features and values to communicate the exact details f the function f(t) 18) Make a sketch of the time domain function f(t) (t-1)us(t) on the grid provided. Label key features and values to communicate the exact details f the function
3. The signal continuous time signal re(t)-cos(200t)2cos cos(100t) is sampled at twice the Nyquist rate to get the sequence r[n]. (a) Sketch X(e) (b) If y[n] = [4n]. Sketch Y(e'"). (c) Is there any aliasing in the Fourier spectrum of yin]? Why or Why Not? (d) If z [n] = x-1, ketch the DTFT of z[n] (e) Is there any aliasing in the Fourier spectrum of [n]? Why or Why Not? 3. The signal continuous time signal re(t)-cos(200t)2cos cos(100t) is...
Problem 6: I7 Points For the following periodic signal, x(t) 4OSesi a) Express the signal exponent +cos(9t) +2cos(15t) al in complex exponential Fourier series form. 13 r series coefficients and sketch the spectral line. [2 Find the fundamental frequency and identilY the harmonics in the signal. 12) Solution Problem 6: I7 Points For the following periodic signal, x(t) 4OSesi a) Express the signal exponent +cos(9t) +2cos(15t) al in complex exponential Fourier series form. 13 r series coefficients and sketch the...
2.5. Given an analog signal x(t)5cos(2T 2, 5001) + 2cos(2T 4, 5001), for t2 0 sampled at a rate of 8,000 Hz, a. sketch the spectrum of the sampled signal up to 20 kHz; b. sketch the recovered analog signal spectrum if an ideal lowpass filter with a cutoff frequency of 4 kHz is used to filter the sampled signal in order to recover the original signal; c. determine the frequneuencis f aliasing noise.
Sketch two periods of a cosine wave, y(x,t) travelling in the x-direction Make sure that your axes are labelled. Let y(x=0,t) = +A.Annotate the sketch with: the amplitudes, +A and –A; the wavelength λ; the direction of travel (labeled with velocity, ‘v’); ‘crest’; ‘trough’. Point with arrows and label the points along the graph that are: i) in phase with y(x=0,t) and, ii) 180 degrees out of phase with y(x=0,t)
Please answer ASAP Question 3: The input signal m (t)-2cos(4000π) and the carrier signal is 100 cos(100Km). Determine and plot the spectrum using AM traditional modulation
1) Sketch the graph of each of the following exponential functions. Make sure you label at least three points on the graph or include a t-chart with the coordinates. a. S(x)=3 b. y=213 c. g(x)= (3) 3 d. y e. f(x) = "+1
Consider the following AM system x(t) z(t) y(t) H(a) 10ω -10 othwise 2cos (100t) Ifthe input signal x(t), the has a spectrum function, X(w), shown above, a) Write the expressions of r(w) and Z(w) in terms of X(w). b) Sketch the spectrums, x(ω), and r(a)Jdentify the LSE and USB components on the graphs? 14] 131 lain the type of AM modulation is the output z(03 Consider the following AM system x(t) z(t) y(t) H(a) 10ω -10 othwise 2cos (100t) Ifthe...