Q4.- A signal x(t) = 3 cos(6000xt) + cos(15000) is sampled at a rate of 9000...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
Q4.- A signal x(t) = 3 cos(6000xt) + cos(15000) is sampled at a rate of 9000 samples/sec. The sampling process is modeled by the system shown below. Xp(t) x(t) (x) p(t) = 8(t-kTs) k=-∞o (a) Sketch the spectrum of the sampled signal Xp(t) in the range -13... 13 kHz. (b) Can the original signal x(t) be recovered from Xp(t) by using a low-pass reconstruction filter? Justify. (c) If your answer to part (b) is 'yes', explain how x(t) can be recovered and provide the values of the parameters, gain & cutoff frequency oc, needed to do this. If your answer to part (b) is 'no', propose how you could modify the sampling train of impulses such that x(t) can be recovered from Xp(t). (d) Describe how the sampling system shown above can be modified such that using a sampling rate of 9000 samples/second the 3 cos(6000лt) part of the signal can still be faithfully represented in the discrete-time domain without distortion. [5 pts] [3 pts] [3 pts] [5 pts] Q4.- A signal x(t) = 3 cos(6000xt) + cos(15000) is sampled at a rate of 9000 samples/sec. The sampling process is modeled by the system shown below. Xp(t) x(t) (x) p(t) = 8(t-kTs) k=-∞o (a) Sketch the spectrum of the sampled signal Xp(t) in the range -13... 13 kHz. (b) Can the original signal x(t) be recovered from Xp(t) by using a low-pass reconstruction filter? Justify. (c) If your answer to part (b) is 'yes', explain how x(t) can be recovered and provide the values of the parameters, gain & cutoff frequency oc, needed to do this. If your answer to part (b) is 'no', propose how you could modify the sampling train of impulses such that x(t) can be recovered from Xp(t). (d) Describe how the sampling system shown above can be modified such that using a sampling rate of 9000 samples/second the 3 cos(6000лt) part of the signal can still be faithfully represented in the discrete-time domain without distortion. [5 pts] [3 pts] [3 pts] [5 pts]
Expert Answer:
Answer rating: 100% (QA)
Answer F 81215 28 24 103 100 Cumulative frequency table Thickness mm f CF 0509 101... View the full answer
Related Book For
Posted Date:
Students also viewed these electrical engineering questions
-
In Exercise 11, compare your answer to part (a) with your answer to part (b). How do outliers affect the range of a data set? Data from exercise 11: The depths (in inches) at which 10 artifacts are...
-
If your answer to #1 above was yes, what do you think would happen to your taxes? What would happen to your private health insurance premiums? Would you come out ahead or not?
-
a. Expand (1 + x) 5 . b. Use your answer to part a to express i. (1 + 3) 5 in the form a + b3, ii. (1 - 3) 5 in the form c + d3. c. Use your answers to part b to simplify (1 + 3) 5 + (1 - 3) 5 .
-
What are the two(2) products dimensions that could be used if a position Map/Perception Map were to be created for VIA instant coffee?
-
What advantages does a gold exchange standard have over a pure gold standard?
-
What identity is needed to find sin 2 x dx?
-
The accounting records for ADR, Inc., reflected the following amounts at the end of August 2010: Prepare ADRs multi-step income statement for the fiscal year ended August 31,2010. Cash...... $3,500...
-
Airborne Travel uses the contribution margin income statement internally. Airbornes first quarter results follow. Airbornes relevant range is between sales of $201,000 and $463,000. Airborne Travel...
-
Then make recommendations as identified below. 80 yards 40 40 yards yards Current Layout Dept. 1 Dept. 2 3 X 1 Dept. 4 70 yards Number of Patients Moved per day From Dept. 50 50 yards Dept. 3 To...
-
Suppose you have a list of blood platelet counts from 500 patients in a hospital. Which of the following is most helpful in understanding the distribution of those values: frequency table, pie chart,...
-
How would you go about minimizing the ff business logistical costs for a consumer electronics business: 3 . 1 . Reverse logistics costs 3 . 2 . Inventory holding costs
-
If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km=0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon)
-
Preble Company manufactures one product. Its variable manufacturing overhead is applied to production based on direct labor-hours and its standard cost card per unit is as follows: Direct materials:...
-
How does a local host learn the MAC address of its default gateway router? Explain.
-
Analyse the market/industry by using key statistics like size and growth of the market. Include at least two key external trends (at least one opportunity and at least one challenge) which may have...
-
3. You are driving your car at 12 m/s when a deer jumps in front of your car. What is the shortest stopping distance for your car if your reaction time is 0.80 s and your car brakes at 6.0 m/s? 4. A...
-
Identify the learning theory primarily represented in Xavier's teaching practice and explain how Xavier created a learning environment to align with the theory. How does Xavier build a learning...
-
From a medical tourist perspective, compare Shouldice with the traditional hospital in terms of the key factors of competition. Using Table 15-3, why would Shouldice attract patients from outside the...
-
Consider the cascade of two continuous-time systems shown in Figure 6.24. The input-output characterization of system A is x(t) = dz(t)/dt. It is known that system B is linear and time-invariant, and...
-
The Fourier transform of a signal x(t) is (a) Carefully plot X(Ω)as function of . (b) Determine the value of x(0). [u(2 +T) u(S2 1)] X(2)
-
Consider a series RC circuit with input a voltage source v i (t) and output the voltage across the capacitor v o (t). (a) Draw a negative feedback system for the circuit using an integrator, a...
-
In a Hartnell governor, if the stiffness of spring is increased, the governor will (a) become more sensitive (b) become less sensitive (c) remain unaffected (d) start hunting.
-
A Porter governor has all the four arms of 250 mm length each. All the upper arms and the sleeve arms are pivoted on the axis of rotation. The mass of each governor ball is 0.9 kg. The mass on the...
-
The lengths of upper and lower arms of a Porter governor are 220 mm and 260 mm respectively. All the arms are pivoted on the axis of rotation. The central load is 125 N and weight of each ball is 15...
Study smarter with the SolutionInn App