Use MATLAB to plot the following signals against time. Also,
plot their Fourier (frequency) spectrum. Use the sampling rate
provided.
a. Triangular (sampling rate: 44,100)
b. Saw Tooth (sampling rate: 44,100)
c. Impulse (sampling rate: 44,100)
Use MATLAB to plot the following signals against time. Also, plot their Fourier (frequency) spectrum. Use...
Using QAM we wish to transmit the following baseband message signals Bcos (w t a) Show the time and frequency domain expression for the transmitted signal. Also, plot the magnitude of the frequency domain representation of the signal. b) On the receiver end, we demodulate the received signal by multiplying with 2cos(Wet +Au). Derive the expression of the demodulated signal in the time domain, before low-pass filtering. c) Derive the Fourier Transform of the demodulated signal.
Using QAM we wish...
Now use MATLAB to generate and plot 15seconds of this signal
in the time-domain.Use the fft() function to find the fourier
transform of this signal and plot its magnitude spectrum
School of Engineering Task 3 - The Fourier Transform: Scaling property Exercise: Let's take a look now at using the Fourier transform on aperiodic signals. Consider the real exponential signal from the discharging capacitor in tas 3 of laboratory 1 which was found to be: You(t)=e"u(t) Begin by calculating manually...
Problem .2 Determine the Fourier transform of the following signals and plot the spectrum C. X(t) = (2+ cos211000t) cos 275000t
Determine the Fourier transform of the following signals and plot the spectrum a. x(t) 4 sin 2T1000t b, x(t)= 4sin 2πί000t cos 2π4000t c. x(t)= (4 + cos 272000) cos 2π5000t
1. Determine the Fourier transforms X) of the following signals and plot the spectrum a x( ) = 4 sin 2.1 4000cos2x 2000 b. x(t) = (2+2 cos 2 x 20007) cos 2.5000
number 2
ECE 300 Continuous-Time Signals and Systems H(jø π/2 Plot the spectrum Z (jø) of the filtered input signal z(), the spectrum Z, (jo) of the sampled signal z.(t), and the spectrum Y(ja) of the reconstructed signal y(t). Show clearly how the output spectrum Y (ja) differs from the original spectrum G(jo) C. Which system, A or B, produces less distortion between the input g(t) and the output y(4) or ()? Explain. You can measure distortion by finding the...
(a) Determine the Fourier transform of x(t) 26(t-1)-6(t-3) (b) Compute the convolution sum of the following signals, (6%) [696] (c) The Fourier transform of a continuous-time signal a(t) is given below. Determine the [696] total energy of (t) 4 sin w (d) Determine the DC value and the average power of the following periodic signal. (6%) 0.5 0.5 (e) Determine the Nyquist rate for the following signal. (6%) x(t) = [1-0.78 cos(50nt + π/4)]2. (f) Sketch the frequency spectrum of...
CHAPTER 2-FOURIER TRANSFORMS (30) The table shows a sequence of signals or operations (rows A to E) in the time 1. domain. Note the symbols for multiplication X and convolution a. Draw the signals and the results in the time and frequency domains b. Draw to scale. Label and tick-mark all the graphs. c. Justify. Use the last column to back up your answer SIGNALS AND OPS FREQUENCY EXPLANATION (AMPLITUDE) TIME MATH Sine wave A Period T Pulse width 4×T...
Find and plot the Fourier transforms of the following signals. (if the Fourier transform is a complex function, plot the magnitude absolute value) and phase (argument) parts separately) [70 points]. [Hint: You can use the time shifting property if applicable] 5, 0 <ts3 Xs(t)-〈0, otherwise
Q. 2 A continuous time signal x(t) has the Continuous Time Fourier Transform shown in Fig 2. Xc() -80007 0 80001 2 (rad/s) Fig 2 According to the sampling theorem, find the maximum allowable sampling period T for this signal. Also plot the Fourier Transforms of the sampled signal X:(j) and X(elo). Label the resulting signals appropriately (both in frequency and amplitude axis). Assuming that the sampling period is increased 1.2 times, what is the new sampling frequency 2? What...