Given a sinusoid signal u(t)=-5 cos(10t+30°) Find (a) peak value (6) RRMS value (c) average- absolute...
Given that: i(t) = 5 cos(10t) v(t) = 5 cos(10t+30o) Determine: p(t) = ? Average power = ?
Its related to MATLAB
Generate a continuous-time signal z(t)-cos(2π 10t + 5) + cos(2π30t + 5). You may use the part of the followings. a >>t0:0.001:1; >plot (t, x_t) b. Generate a discrete-time signal x[n] = (1/4)(u[n]-u[n-4). You may use the part of the followings >>a_n-ones (1, 4) s> b_nzeros (1, 7) >> stem(n, x n)
Generate a continuous-time signal z(t)-cos(2π 10t + 5) + cos(2π30t + 5). You may use the part of the followings. a >>t0:0.001:1; >plot (t,...
31 . Find the CTFT of: j cos(10t-n/2) 32. Find the CTF T of: ( (t/5)-A(t/6))/2
(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...
Power Spectrum of AM A baseband message signal is given byWn (t)-5 cos 2π 2500t + 4 cos 2π 5500. An AM waveform carrying this message g(t)-50[1 + μ m(t) mp]cos 2π5x 109, where mp s the peak value of m(t a) Plot (by hand) the power spectrum S (f) of the AM waveform g(t) with 0.6 (You can get help with this from the handout A Power Spectrum Primer. See the section "Finding the Power Spectrum of a Periodic...
CLOSED OPEN Page 2 > of 6 ☺ Question 1: (a). The voltage vs(t)= 10 cos(10t +30°)V is applied to the inverting op amp as shown below. Using phasor, find (i) volt) 100 KS 2 (ii) v(t) 100 k92 20 k 2 M (iii) Zo (impedance) volt) Vs 20 k2 100 uFv 27 Zo 0 - FS 0 + F O FE F7 Home F8 BR F12 F10 F11 $ C ) % 5 * 00 3 - 7 9...
1. If m(t) = cos(800 mt) cos(2007) - signal to be transmitted, and c(t) = 5 cos(5000ft) - Carrier signal , (a) Sketch DSB-TC(f) (b) Find modulated signal bandwidth (c) Find modulation index (u), and power efficiency (n). 2. Sketch the mixer block diagram to convert di(t) to 02(t) and indicate all blocks parameters (a) 61(t) = 10 cos(200mt) cos(13000) (b) 02(t) = 10 cos(200 mt) cos(22000 nt))
6. An electrical signal v,(t)-5+12sin(5t) +10sin 10t) is plugged into a black box with an unknown electric circuit. The frequency response of the black box is given in the bode plots below; find the output signal from this box. If the system is either first-, second or third-order, what is the order of this system? (ustify!) Bode Disgren 6.5 20 45 -135 05 -180 10 10 15 20 25 30 35 40 45 50 55 60 6570 Time (sec) 10...
1. A modulating signal m(t) is given by m(t) = 5 (cos(20nt) – cos(40nt)) a. Find and sketch the spectrum of DSB-SC signal 2m(t)cos (100nt) b. Verify that the DSB-SC modulated signal can be recovered using coherent detection.
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...