![Digital Signal Processing-ELEC 30001 -SUMM-18-CW2-All-Qp 1. A digital signal x(n) is defined by (n nta -2Sns -1 0 sns3 elsewhere (5 Marks) a) Determine its values and sketch the signal x[n]. b) Sketch the signals that result if we: 3 samples (i) First fold x[n], down scale resulting signal by two samples and finally advance the signal by (5 Marks) (ii) First delay x [n] by six samples and then down scale the resulting signal by two samples c) Sketch the signal x[-2n-6 signal x[-2n 6] from xIn]. (5 Marks) (5 Marks) d) Compare the results in parts Q1(b) and (c) and derive a rule for obtaining the (5 Marks)](http://img.homeworklib.com/questions/f8a52820-c081-11eb-9ffe-33a1f8ea3010.png?x-oss-process=image/resize,w_560)
Homework Answers
Add Answer to:
Digital Signal Processing-ELEC 30001 -SUMM-18-CW2-All-Qp 1. A digital signal x(n) is defined by (n nta -2Sns...
Digital Signal Processing (ELEC30001.1) - Spring -2019-CW2(ASSMNT )-All-Qp b. Calculate FFT of a signal x(n)- [7, 3+j2, 2, 5, 9, 6,0,j] using the signal flow graph given in (15 Marks) figure 3. Show...
Digital Signal Processing (ELEC30001.1) - Spring -2019-CW2(ASSMNT )-All-Qp b. Calculate FFT of a signal x(n)- [7, 3+j2, 2, 5, 9, 6,0,j] using the signal flow graph given in (15 Marks) figure 3. Show the intermediate values at every nodes of the flow graph. X121 (3 z(4) wg wi
Digital Signal Processing (ELEC30001.1) - Spring -2019-CW2(ASSMNT )-All-Qp b. Calculate FFT of a signal x(n)- [7, 3+j2, 2, 5, 9, 6,0,j] using the signal flow graph given in (15 Marks) figure 3....
In digital signal processing. with explanation tnx will up 15. Is the function y[n]-x[n-1]-x[n-56] causal? a....
In digital signal processing. with explanation tnx
will up
15. Is the function y[n]-x[n-1]-x[n-56] causal? a. The system is non causal b. The system is causal >» c. Both causal and noncausal d. None of the above 16. Is the function y[n]x[n] stable in nature? a. It is stable - b. It is unstable c. Both stable and unstable d. None of the above 17. We define y[n] = nx[n]-(n-Dx[n]. Now, z[n] = z[n-1] + y[n]. Is z[n] a a....
Question 4 (a) Find the DFT of the series x[n)-(0.2,1,1,0.2), and sketch the magnitude of the resulting spectral components [10 marks] (b) For a discrete impulse response, h[n], that is symmetric...
Question 4 (a) Find the DFT of the series x[n)-(0.2,1,1,0.2), and sketch the magnitude of the resulting spectral components [10 marks] (b) For a discrete impulse response, h[n], that is symmetric about the origin, the spectral coefficients of the signal, H(k), can be obtained by use of the DFT He- H(k)- H-(N-1)/2 Conversely, if the spectral coefficients, H(k), are known (and are even and symmetrical about k-0), the original signal, h[n], can be reconstituted using the inverse DFT 1 (N-D/2...
[2 Marks] 18. If (z) and u[n]-cos(2n)지지 the correct value of V(z) will be (2z-1) js 2 2zei5-1 2ze-15-1 2 2zel5-12ze-15-1 19. Determine the Z-transform of x[n]. [2 Marks each] n] sinl0n)u[n]0.3"...
[2 Marks] 18. If (z) and u[n]-cos(2n)지지 the correct value of V(z) will be (2z-1) js 2 2zei5-1 2ze-15-1 2 2zel5-12ze-15-1 19. Determine the Z-transform of x[n]. [2 Marks each] n] sinl0n)u[n]0.3" n] 0.5" cos (10n)u[n] In]-(0.3) u[/n] The transfer function of a discrete time system is H(z)- 20. 1+2z3z Use the inverse Z-transform to determine the system difference equation [4 Marks] 21. An LTI system is described by the following input/output difference equation: yln] 0.12yln x[n] (assume zero initial...
Make sure you show all working and describe each step in your calculations. 1. A signum function ...
signals and communications 2
Make sure you show all working and describe each step in your calculations. 1. A signum function is defined as sgn(t) = { 1、12 0 1 t<0 Plot and express this function in terms of the unit-step function. 5 marks/ Determine and plot the even and odd parts of the signal 2. x(t) (te-3 +2)u(t). 5 marks 3. If prove that y[n-m] = x[n-m] * h[n]. 5 marks 4. Assuming α > 0, plot the signal...
Digital Signal Processing (ELEC30001.1) - Spring -2019-CW2(ASSMNT )-All-Qp b. Calculate FFT of a signal x(n)- [7, 3+j2, 2, 5, 9, 6,0,j] using the signal flow graph given in (15 Marks) figure 3. Show the intermediate values at every nodes of the flow graph. X121 (3 z(4) wg wi
Digital Signal Processing (ELEC30001.1) - Spring -2019-CW2(ASSMNT )-All-Qp b. Calculate FFT of a signal x(n)- [7, 3+j2, 2, 5, 9, 6,0,j] using the signal flow graph given in (15 Marks) figure 3....
In digital signal processing. with explanation tnx
will up
15. Is the function y[n]-x[n-1]-x[n-56] causal? a. The system is non causal b. The system is causal >» c. Both causal and noncausal d. None of the above 16. Is the function y[n]x[n] stable in nature? a. It is stable - b. It is unstable c. Both stable and unstable d. None of the above 17. We define y[n] = nx[n]-(n-Dx[n]. Now, z[n] = z[n-1] + y[n]. Is z[n] a a....
Question 4 (a) Find the DFT of the series x[n)-(0.2,1,1,0.2), and sketch the magnitude of the resulting spectral components [10 marks] (b) For a discrete impulse response, h[n], that is symmetric about the origin, the spectral coefficients of the signal, H(k), can be obtained by use of the DFT He- H(k)- H-(N-1)/2 Conversely, if the spectral coefficients, H(k), are known (and are even and symmetrical about k-0), the original signal, h[n], can be reconstituted using the inverse DFT 1 (N-D/2...
[2 Marks] 18. If (z) and u[n]-cos(2n)지지 the correct value of V(z) will be (2z-1) js 2 2zei5-1 2ze-15-1 2 2zel5-12ze-15-1 19. Determine the Z-transform of x[n]. [2 Marks each] n] sinl0n)u[n]0.3" n] 0.5" cos (10n)u[n] In]-(0.3) u[/n] The transfer function of a discrete time system is H(z)- 20. 1+2z3z Use the inverse Z-transform to determine the system difference equation [4 Marks] 21. An LTI system is described by the following input/output difference equation: yln] 0.12yln x[n] (assume zero initial...
signals and communications 2
Make sure you show all working and describe each step in your calculations. 1. A signum function is defined as sgn(t) = { 1、12 0 1 t<0 Plot and express this function in terms of the unit-step function. 5 marks/ Determine and plot the even and odd parts of the signal 2. x(t) (te-3 +2)u(t). 5 marks 3. If prove that y[n-m] = x[n-m] * h[n]. 5 marks 4. Assuming α > 0, plot the signal...
Most questions answered within 3 hours.
-
A uniform magnetic field is perpendicular to the plane of a wire
loop. If the loop...
asked 8 minutes ago -
Preparation of Benzoic Acid using a Grignard Reagent URGENT
1. During your Grignard formation, a small...
asked 9 minutes ago -
At the peak of your career, your were earning $120,000 and
holding a top level position....
asked 11 minutes ago -
. A permanent magnet is dropped south-end-down through a horizontal
circular coil with a radius of...
asked 13 minutes ago -
Bernie's Beverages purchased some fixed assets classified as
5-year property for MACRS. The assets cost $28,000....
asked 27 minutes ago -
How many ATPs are produced from the catabolism of a 10-C
molecule of fatty acid under...
asked 31 minutes ago -
Before practicing a routine on the rings, a 64.8 kg gymnast
hangs motionless, with one hand...
asked 33 minutes ago -
If the K b of a weak base is 6.3 × 10 − 6 , what...
asked 40 minutes ago -
Which of the following is the minimum amount of moles of NaOH
that must be added...
asked 43 minutes ago -
Stories about organizational ________ provide important clues
about cultural values and norms.
a. myths
b. heroes...
asked 45 minutes ago -
Explain the criteria used in selecting a target market
BUS220 Retail Management, thank you!
asked 47 minutes ago -
Convert/Calculate the following:
Determine the identity of an elemental gas if 4.55 L weighing
35.4g, under...
asked 50 minutes ago