![Question 2 (6 pts) Asume t)Xe e .2 isa ysiem inecion Y(z) x(z) a) Given x() 3sin(20r+30) and sampling period T-0.002s, find x[O] and x[1]? b) Determine y[2] c) Choose a sampling rate to sample x(0) in Question 2a without causing any aliasing distortion ?](http://img.homeworklib.com/questions/9d3a3cb0-c432-11ea-8af5-137ce27599b0.png?x-oss-process=image/resize,w_560)
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Question 2 (6 pts) Asume t)Xe e .2 isa ysiem inecion Y(z) x(z) a) Given x()...
Problem 4.(30 pts) Given the analog signal x(t) cos(2 cos(3t)+2 sin(4mt) A.(10 pts) Find the Nyquist...
Problem 4.(30 pts) Given the analog signal x(t) cos(2 cos(3t)+2 sin(4mt) A.(10 pts) Find the Nyquist frequency (sampling frequency) which guarantees That x() can be recovered from it's sampled version xIn] with no aliasing. B.(10 pts) If the sampling period of Ts 0.4 see is used identify all discrete frequencies Of the signal x(t), also indicate if this sampling period is adequate to recover x(t) from xn] C.(10 pts) Suppose signal x(t) is modulated by signal e(t) = cos(2000mt) what...
4. The continuous-time signal e(t) has the Fourier transform X(jw) shown below. Xe(ju) is zero ou...
4. The continuous-time signal e(t) has the Fourier transform X(jw) shown below. Xe(ju) is zero outside the region shown in the figure X.Gj) -2T (300) -2r(100) 0 2n(100) 2T (300) We need to filter re(t) to remove all frequencies higher than 200 Hz. (a) Plot the effective continuous-time filter we need to implement. Label your plot. b) Suppose we decide to implement the filtering in discrete-time using the overall process (sample, filter, reconstruct) shown in the figure in Problem 3....
Question 6 3 pts If the functions y = x and y = xe are linearly...
Question 6 3 pts If the functions y = x and y = xe are linearly independent solutions of the non-homogeneous second-order linear differential equation with variable coefficients xʻyll – x(x + 2)yı + (x + 2)y = x3, its general solution is given by Oy=C1x + C2x² cm – 23 Oy=C1x2 + C2xell – 23 None of them y = C1+C2ce® +22 O 9= C1z+C2cef - 22
17. The following system is used to sample and reconstruct the signal x(t)-1-cos(15π) with a sampling interval T-0.1 sec. p(t) xIn] y(t) x(t) -0.5 0.5 1B 1B X.(o) X (o) [2 Marks each] Given that the...
17. The following system is used to sample and reconstruct the signal x(t)-1-cos(15π) with a sampling interval T-0.1 sec. p(t) xIn] y(t) x(t) -0.5 0.5 1B 1B X.(o) X (o) [2 Marks each] Given that the input signal, x(t) -1+cos(15rt) Sketch |X(a) The sampling interval is set to T= 0, 1 ec. SketchXs(o) where x(t) = p(t)x(t). Determine the expression for y(t). Is y(t) a reconstruction of x()? Does aliasing occur? explain
17. The following system is used to sample...
) + 4 sin(300m), w a) (2 points) Given the signal x(t) = 5 cos(200 period,...
) + 4 sin(300m), w a) (2 points) Given the signal x(t) = 5 cos(200 period, T, is needed to avoid aliasing? 3. b) (8 points) If you sample x() with sampling period T/2 where T is your answer to part a), what is the resulting discrete signal, x[n]?
2. Given R(x,y, z, w, k, t). There are two keys: (x,y) and z. Given the...
2. Given R(x,y, z, w, k, t). There are two keys: (x,y) and z. Given the following functional dependency: F = { {x,y} {z,w,k,t}, z {x,y,w,k,t }, yt}. Is R in 2nd normal form? Justify your answer. 3. Given R(x,y, z, w, k, t). There are two keys: (x,y) and z. Given the following functional dependency: F = { fd1:{x,y} {z,w,k,t}, fd2: z {x,y,w,k,t }, fd3:k x}. Is R in 3rd normal form? Justify your answer....
number 2 ECE 300 Continuous-Time Signals and Systems H(jø π/2 Plot the spectrum Z (jø) of the filtered input signal z()...
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...
2. You are given the following multivariate PDF (x, y, z) E S X,Y,2(x, y,z)=)4m 0...
2. You are given the following multivariate PDF (x, y, z) E S X,Y,2(x, y,z)=)4m 0 else where S-((x, y, z) 1x2 + y2 +#51). (a) (5 points) Let T be the set of all points that lie inside the largest cylinder by volume that can be inscribed in the region of S. Similarly let U be the set of all points that lie inside the largest cube that can be inscribed in the region of S. What would the...
Question 2 Find T(t) and N(t) at the given point. x= e cost, y = e...
Question 2 Find T(t) and N(t) at the given point. x= e cost, y = e sint, z=e; t = 0 and the vector k as Enter the vector i as 7, the vector j as , T(0) = Edit N(0) = Edit
6) a (15 pts) Find the derivative of (x,y,z-xy, + x3yz + z3yx in the direction of v -2 -4k at the...
6) a (15 pts) Find the derivative of (x,y,z-xy, + x3yz + z3yx in the direction of v -2 -4k at the function fix.y z) at the point vo Can you find any direction(s) where the surface is neither increasing nor decreasing? e point vo (2, 1, -3). What is the rate of maximal increase to the b. (10 pts) Find a normal vector and the tangent plane to the following level surface x'y t yz+2 3 at (1, 1,...
Problem 4.(30 pts) Given the analog signal x(t) cos(2 cos(3t)+2 sin(4mt) A.(10 pts) Find the Nyquist frequency (sampling frequency) which guarantees That x() can be recovered from it's sampled version xIn] with no aliasing. B.(10 pts) If the sampling period of Ts 0.4 see is used identify all discrete frequencies Of the signal x(t), also indicate if this sampling period is adequate to recover x(t) from xn] C.(10 pts) Suppose signal x(t) is modulated by signal e(t) = cos(2000mt) what...
4. The continuous-time signal e(t) has the Fourier transform X(jw) shown below. Xe(ju) is zero outside the region shown in the figure X.Gj) -2T (300) -2r(100) 0 2n(100) 2T (300) We need to filter re(t) to remove all frequencies higher than 200 Hz. (a) Plot the effective continuous-time filter we need to implement. Label your plot. b) Suppose we decide to implement the filtering in discrete-time using the overall process (sample, filter, reconstruct) shown in the figure in Problem 3....
Question 6 3 pts If the functions y = x and y = xe are linearly independent solutions of the non-homogeneous second-order linear differential equation with variable coefficients xʻyll – x(x + 2)yı + (x + 2)y = x3, its general solution is given by Oy=C1x + C2x² cm – 23 Oy=C1x2 + C2xell – 23 None of them y = C1+C2ce® +22 O 9= C1z+C2cef - 22
17. The following system is used to sample and reconstruct the signal x(t)-1-cos(15π) with a sampling interval T-0.1 sec. p(t) xIn] y(t) x(t) -0.5 0.5 1B 1B X.(o) X (o) [2 Marks each] Given that the input signal, x(t) -1+cos(15rt) Sketch |X(a) The sampling interval is set to T= 0, 1 ec. SketchXs(o) where x(t) = p(t)x(t). Determine the expression for y(t). Is y(t) a reconstruction of x()? Does aliasing occur? explain
17. The following system is used to sample...
) + 4 sin(300m), w a) (2 points) Given the signal x(t) = 5 cos(200 period, T, is needed to avoid aliasing? 3. b) (8 points) If you sample x() with sampling period T/2 where T is your answer to part a), what is the resulting discrete signal, x[n]?
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...
2. You are given the following multivariate PDF (x, y, z) E S X,Y,2(x, y,z)=)4m 0 else where S-((x, y, z) 1x2 + y2 +#51). (a) (5 points) Let T be the set of all points that lie inside the largest cylinder by volume that can be inscribed in the region of S. Similarly let U be the set of all points that lie inside the largest cube that can be inscribed in the region of S. What would the...
Question 2 Find T(t) and N(t) at the given point. x= e cost, y = e sint, z=e; t = 0 and the vector k as Enter the vector i as 7, the vector j as , T(0) = Edit N(0) = Edit
6) a (15 pts) Find the derivative of (x,y,z-xy, + x3yz + z3yx in the direction of v -2 -4k at the function fix.y z) at the point vo Can you find any direction(s) where the surface is neither increasing nor decreasing? e point vo (2, 1, -3). What is the rate of maximal increase to the b. (10 pts) Find a normal vector and the tangent plane to the following level surface x'y t yz+2 3 at (1, 1,...
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