Explain step by step!! The phasor corresponding to the signal v(t) = 21 cos(4t - 16...
Q3) Consider the signal below x(t) = cos t + 0.5 cos(4t + 7/3) + cos(8t + 7/2) Plot the amplitude and phase spectra?
Put the voltage source into phasor notation and the current source into time-domain signal. V(t) = 20 · cos(10t + 30°) am' 05-06 -- I = 40 Z50° 0 = 100 rad/s i(t) =
) What is data acquisition? Explain what it involves. ) A sinusoidal signal s(t) 5+10 cos 120mt cos 120nt (v) is used in the design of a data acquisition system. The system is to transmit a 4-bit digital signal at a certain bit-rate to a remote terminal. Calculate the following for the system: (6) What is the minimum sampling-rate (sampling frequency) for the system at which the signal can be perfectly reconstructed? (ii) What is a suitable quantization step-size for...
Q2 The output signal of an angle modulator is given as V(t) = 6 cos(2000000net + 40 cos(2000xt) + 15cos (400nt)) (v) Determine the following: The average power of the signal. b) The carrier frequency of the signal. The instantaneous frequency of the signal. d) The instantaneous maximum frequency deviation of the signal. e) The wavefom of the message signal, assuming a frequency modulation (FM). f) The modulation index, assuming a FM. Is it a broadband FM or narrowband FM...
please break this down step by step, thank you Consider an FM signal v(1) = cos(2π// + 2 exp( 31)). Determine the message signal ) . Determine the message signal
(1 point) Let Solve the differential equation using Laplace transforms. t/16-sin(4t)/64+3/4sin(4t)+4cos(4t) ft 4T y(t) = ift>4 -cos(4t)/16+1/16+3/4sin(4t)+4cos(4t)
If Vs(t) = 10 cos (10t - 90o) V, determine: brief description and legible formulas and variables Step 1: The voltage phasor VSF Step 2: The equivalent impedance Zeq Step 3: The phasor current IF Step 4: The steady state current I(t)ss Step 5: The complex power (S = ½VSFIF* = P + jQ). Step 6: The average (P) and reactive power (Q). Step 7: The power factor and sketch of the power triangle. Vs(t) (+) 0.1H Zeq If Vs(t)...
Consider the parametric curve given by x(t) = 16 sin3(t), y(t) = 13 cos(t) − 5 cos(2t) − 2 cos(3t) − cos(4t), where t denotes an angle between 0 and 2π. (a) Sketch a graph of this parametric curve. (b) Write an integral representing the arc length of this curve. (c) Using Riemann sums and n = 8, estimate the arc length of this curve. (d) Write an expression for the exact area of the region enclosed by this curve.
Q2b Given : x(t) = 150 cos(300 t + 35°) + 450 cos(300 t-550) Use the concept of the phasor to combine this sinusoidal function into a single trigonometric expression in the form similar to x(t) A cos (o t + θ Magnitude Λ of x(t) Angle θ of x(t) (Degree)
For the baseband signal m(t) = cos(1000πt) cos(3000πt), do the following. (a) Sketch the spectrum of m(t) (b) Sketch the spectrum of the DSB-SC signal m(t)cos(10, 000πt). (c) Identify the upper sideband (USB) and the lower sideband (LSB) spectra. (d) Identify the frequencies in the baseband, and the corresponding frequencies in the DSB-SC, USB and LSB spectra. Explain the nature of frequency shifting in each case.