We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
la. Determine the fundamental period of signal x[n] = cos? Con Hints: i. 2cos? (0) =...
1.4. Let x[n] be a signal with x[n] = 0 for n < -2 and n > 4. For each signal given below, determine the values of n for which it is guaranteed to be zero. (a) xịn - 3] (b) x[n+ 4] (c) x[-n] (d) x[-n+2] (e) x[-n-2] 1.5. Let x(t) be a signal with x(t) = 0 for t <3. For each signal given below, determine the values of t for which it is guaranteed to be zero....
2: (a) Consider a discrete-time sequence x[n] = cos(n+3). Find the fundamental period(N). (b) Consider the sinusodal signal x(t) = 10 sin(21 Fot) with analog frequency F. Write an equa- tion for the discrete time signal n. (c) In part(b) if Fe = 400Hz and the sampling frequency F. = 4kHz, determine the fundamen- tal period of x[n].
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...
The Signal x(t)= e^(j*(3pi/2)*t)*cos((5pi/2)*t)+j*sin(pi*t) i) show that x(t) is periodic and what is the fundamental period? ii) What is the average value and power of x(t)?
Digital Signal Processing (Question estion# 2].Determine the fundamental period, the fundamental frequency and the average power of the following periodic sequences: 19 Points a. x1[n] = e 10.5 b. x2[n] = 3 cos(1.31n) - 4 sin (0.57 +") c. x3[n] = 5 cos (1.2 ttn + + 4 cos(0.6ın) - sin(0.2 ton)
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...
Instruction: Determine whether or not each of the following signals is periodic. If a signal is periodic, determine its fundamental period.1. x[n] = ej(π/4)n 2. x[n] = cos1/4n 3. x[n] = cosπ/3 n + sinπ/4 n 4. x[n] = cos2π/8 n
Q4. For each signal, if it is periodic, find the fundamental period T. (in seconds) and the fundamental frequency (in rad/s). Otherwise prove that the signal is not periodic. [1 + 1 - 2 marks) a) X(t) = cos(5t) + sin(25t) b)x() = sin 91 + + sin(61 - 7) + cos(391)
Find the fundamental angular frequency of the following discrete signal. x [n] = 36 cos (2.47m) + 18 sin (3.21m) (a) 0.2 (b) 0.4 (c) 0.27r (d) 0.4yr
. A continuous-time signal is given by, x(r) = cos(1600m) +5cos(8000m)+ 3cos(2300m) +2cos(1400π a) Choose sampling frequeney (S,) as twice the Nyquist rate to find x(n) and its period, N. magnitudes, X(k)for one period of x(n. in part-b to design a non-recursive (FIR) digital filter b) For the xen) ound in part-a, sketch the DFT o) usin the hamwline frergueney found in parth to desiegn a non-recursive (FIR) digital fiter using windowing functions such that the three smaller frequencies are...