Need MATLAB code of the following 4.17 Consider the following discrete-time signal. I = (1,2, 1,0 (a)
Fantastic news! We've Found the answer you've been seeking!
Question:
Need MATLAB code of the following
Transcribed Image Text:
4.17 Consider the following discrete-time signal. I = (1,2, 1,0" (a) Find X(i) = DFT{r(k}}. (b) Compute the magnitude spectrum A,(i). (c) Compute the phase spectrum 6,(i). (d) Compute the power density spectrum S,(i). Solution (a) Here W4 exp(-j27/4) = -j. Using Definition 4.2 X (0) = 1+2+1 = 4 3. (b) The magnitude spectrum of r(k) is X(1) = 1+2(-j)+ 1(-1) = -j2 A = |X| [4, 2, 0, 2" 3 X(2) = 1+2(-1) + 1(1) (c) The phase spectrum of z(k) is = 0 3 X(3) = Er(k)(W)* A = LX (0, -7/2,0, 7/2)" = 1+2(j)+1(-1) %3D = j2 (d) The power density spectrum of r(k) is Thus the DFT of r(k) is |XP/4 (4, 1,0, 1]" SN = X = [4, -j2,0, j2j" %3D 4.17 Consider the following discrete-time signal. I = (1,2, 1,0" (a) Find X(i) = DFT{r(k}}. (b) Compute the magnitude spectrum A,(i). (c) Compute the phase spectrum 6,(i). (d) Compute the power density spectrum S,(i). Solution (a) Here W4 exp(-j27/4) = -j. Using Definition 4.2 X (0) = 1+2+1 = 4 3. (b) The magnitude spectrum of r(k) is X(1) = 1+2(-j)+ 1(-1) = -j2 A = |X| [4, 2, 0, 2" 3 X(2) = 1+2(-1) + 1(1) (c) The phase spectrum of z(k) is = 0 3 X(3) = Er(k)(W)* A = LX (0, -7/2,0, 7/2)" = 1+2(j)+1(-1) %3D = j2 (d) The power density spectrum of r(k) is Thus the DFT of r(k) is |XP/4 (4, 1,0, 1]" SN = X = [4, -j2,0, j2j" %3D
Expert Answer:
Related Book For
Digital Signal Processing
ISBN: ?978-0133737622
3rd Edition
Authors: Jonh G. Proakis, Dimitris G.Manolakis
Posted Date:
Students also viewed these programming questions
-
Write MATLAB code of the question. Do all parts and show code with comments and also attach a screenshot of code and outputs. Using the results of Problem 4.13, verify the following properties of WN...
-
HEAT TRANSFER EXAMPLE 4.3: MATLAB CODE for 2D Conduction I need help starting in the right direction for my MATLAB project for my heat transfer class that is to create a program to solve 2D steady...
-
Write a matlab code that does the following coordinates [2,1; 3,1;4,5;2,3; 4,3] (this is just an example and the code must be able to handle all such distances)The code should be a function that...
-
The example images in the text for Fade do not quite line up in the vertical direction (the mandrill's mouth is much lower than Darwin's). Modify Fade to add a transformation in the vertical...
-
Consider the market for rental housing in Yourtown. The demand and supply schedules for rental housing are given in the table. a. In a free market for rental housing, what is the equilibrium price...
-
The forecasted requirements for an electric hand drill for the next 6 weeks are 15, 40, 10, 20, 50, and 30 units. The marketing department has booked orders totaling 20, 25, 10, and 20 units for...
-
How would the primordial helium content of the universe have been affected if the present cosmic background radiation temperature was \(27 \mathrm{~K}\) instead of \(2.7 \mathrm{~K}\) ? What about...
-
Copa Corporations accountant left for vacation before completing the monthly cost variance report. The corporations president has asked you to complete the report. The following data are available...
-
A particle undergoing simple harmonic motion has a potential energy given by E/J=3(y/m) as it oscillates back and forth along the y-axis. When the y-coordinate of the particle is 0.75 m, what is the...
-
Managers at Wagner Fabricating Company are reviewing the economic feasibility of manufacturing a part that the company currently purchases from a supplier. Forecasted annual demand for the part is...
-
You name the catastrophe, and JIT has been through it and survived. Toyota Motor Corporation has had its world-renowned JIT system tested by fire. The massive fire incinerated the main source of...
-
When iron metal reacts with sulfuric acid, it produces iron (III) sulfate and hydrogen gas. Balance the equation: Fe + H2SO4 Fe2(SO4)3 + H2 Describe why it is necessary to balance chemical...
-
Computer fraud is easiest at the data collection stage. Why? Since all fraud involves some form of financial misstatement, how is Fraudulent Statement fraud different? Explain the problems associated...
-
You have collected weekly earnings data along with some characteristics from a sample of 1,770 individuals using the Current Population Survey in a given year In US. The table below gives you the...
-
According to Watson, what was the goal of psychology? How did this differ from psychology's traditional goal?
-
A cash incentive given to a producer to lower the cost of production 1.3.2 A situation where one firm fixes a price and other firms accept it as the market price 1.3.3 The spillover effect of an...
-
Make a budget sheet for may with no income only saving of $2,500 another savings of 1000 financial aid 2500 as a college student this is my expense i live with my parents rest you can make up...
-
What are the typical record-at-a-time operations for accessing a file? Which of these depend on the current file record?
-
Let x(n) be a causal sequence with z-transform X(z) whose pole-zero plot is shown is figure. Sketch the plots and the ROC of the following sequences:(a) x1(n) = x(-n + 2)(b) x2(n) = ej|?lin x(n)...
-
Let x(n) be an arbitrary signal, not necessarily real-valued. With Fourier transform X(?). Express the Fourier transforms of the following signals in terms of X(?). (a) o) (b) x*(-n) (c) yin) =...
-
Quantization effects in direct-form FIR filters consider a direct-form realization of an FIR filter of length M. Suppose that the multiplication of each coefficient with the corresponding signal...
-
Stadler Corporations federal income tax rate is 34 percent. It reports $100,000 depreciation expense on its financial statements and deducts $140,000 depreciation expense on its tax return. How...
-
Which of the following items is not deductible? a. Dues for club used solely for business meetings b. Directly related business entertainment c. Business gift of less than $25 in value d. Dues for...
-
John is a teacher at a local high school. During 2017, he travels three days per week to a school in the next county to work with gifted children in an after-school program that does not end until...
Study smarter with the SolutionInn App