10/ Which signal is leading (dashed or solid)? Find the phase delay in degrees between the...
1- Signal m(t) is shown in Figure 1. This signal is used once to frequency modulate a carrier and once to phase modulate the same carrier. a) Find a relation between kp and k such that the maximum phase of the modulated signals in both cases are equal. b) If kp k 1, what is the maximum instantaneous frequency in each case? m(r) 0
1- Signal m(t) is shown in Figure 1. This signal is used once to frequency modulate...
Given the two signals, what is the phase shift between them in
degrees (between 0 and 180)
el T Triald M Pos: -800 Ons scope 1 1.00V 2. 500mV M 10.0us Ch1 / -40.0mV 20.0002kHz Jul 29, 2020, 22:27
1. A sinusoidal current signal has amplitude of 10 amp and frequency of 60 Hz and phase angle of 0. (a) Express the current in mathematical form. (b) When it passes through an electric circuit, the voltage signal gets an amplitude of 20 volt and a phase delay of 45. Write the voltage signal. (c) Draw both the voltage and current signals on the same graph. 2. Let a signal be defined as y(x) = (1 – x)2. Determine the...
One of the most important classes of time dependent signals are periodic signals. Periodic signals satisfy tho following signal equations, x(t) X(t) x(t+nt) for n 2,3. The periodic signals to be observed in this laboratory assignment are shown below. In all the examples A represents the amplitude of the signal and may be given as the measurement from 0 to the peak value A, Apk or can be given as the measurement between A and -A which defines a peak-to-peak...
Find the instantaneous frequency of the next signal at t = 4. (a) x(t) = 10 cos[20xt+10 sin(t/4)) (b) x(t) = 262719) () X(t)=10[cos(2nt) cos(atº/4) + sin(24t) sin( nt/ 4)] Suppose that the information signal is as shown in the following figure. When each modulating this signal using 100KHz as the carrier frequency, find the frequency shift and phase shift when FM is modulated with 5,=10. What is the maximum frequency shift and maximum phase shift? 0.5+ -0.5 ost Suppose...
Find he 20 200 114 pts) Problem 6) A phase-modulated signal is denoted by the following equation: (a) Find the power of the modulated signal. (b) Find the carrier frequency fe (c) Find the frequency deviation Δ. (d) Find the deviation ratio B (e) Find the phase deviation A (t Estimate the bandwidth of pptt). (g) Knowing that the k, of the frequency modulator equal to 2n, what will the FM representation of this signal be if the FM modulator...
1. For the three following signal sets . Find the basis functions using Gram-Schmidt method. . Plot the corresponding signal space representation. . Find the distance between the two signals. (a) x(t) = Acos(2tht), y(t) = Asin(2T,fet), t E [0, e). [30 points] (b) (t) A cos(2m fct), y(t) A cos(2m fct+0), t E [0, Tb]. [30 points] (c) The signal set shown in Figure 1 [40 points xp V3A T/2 T To
Given the following signal f(t) = 2j-4sin (100t-40)-10 cos (60t + π-70) a) Plot the one-sided amplitude and phase spectra. [8 Marks] Plot the two-sided amplitude and phase spectra. Calculate the power of the signal. Is the above signal periodic? If yes, find its period.
Given the following signal f(t) = 2j-4sin (100t-40)-10 cos (60t + π-70) a) Plot the one-sided amplitude and phase spectra. [8 Marks]
Plot the two-sided amplitude and phase spectra.
Calculate the power of the signal....
Problem 3 (Some parts borrowed from Mitra, Ch.4). The cross-correlation function ray(t) between two real-valued CT signals r(t) and y(t) is given by We use the cross-correlation to detect whether two signals are related to each other by delay. The autocor- relation function rt) of a real-valued CT signal r(t) is given by One use of the autocorrelation function is to detect the period of the signal. 1. Find the autocorrelation of z(t)-e-at u(t) for α > 0. 2. Find...
10. Find the Fourier transform of a continuous-time signal x(t) = 10e Su(t). Plot the magnitude spectrum and the phase spectrum. If the signal is going to be sampled, what should be the minimum sampling frequency so that the aliasing error is less than 0.1 % of the maximum original magnitude at half the sampling frequency. 11. A signal x(t) = 5cos(2nt + 1/6) is sampled at every 0.2 seconds. Find the sequence obtained over the interval 0 st 3...