### Free Educational Resources

• > ECET 497 Week 8 Final Exam
+

# ECET 497 Week 8 Final Exam

##### Rating:
(0)
Author: Christine Farr
##### Description:

http://www.devrygenius.com/product/ecet-497-week-8-final-exam

1. Find the inverse Laplace transform of:
2. The inverse Laplace transform of 2/(s 2 + 4) is:
3. Given the circuit below, the expression for Vo(s)/Vin(s) is:

4. The inverse Laplace transform of a system with the response given by: H(s) = would be:
5. Frequencies from 0 to in the s plane on the axis, whereis the sampling frequency, correspond to:
6. What x(n) is described by the z domain function X(z) below?
7. Which of the following expressions is a z domain description of the difference equation described below?
y[n] – 3y[n-1] + 5y[n-2] = x[n] + 2x[n-2] – 3x[n-4]
8. For a system described by the following difference equation:

Which expression describes the response, , of h(n) to a unit step function?
9. The following table represents values of the impulse response of a filter, h[n], and the values of an input signal, x[n]. Assume that the input signal starts at n=0; that is, all signal values are zero for n<0. find="" the="" fifth="" output="" sample="" (y[n]="" for="" n="4):">
10. Which of the following difference equations represents an FIR (nonrecursive) filter?
11. Consider the pole-zero plot of a filter as given below. This filter is:
12. The following filter is:
y[n] – 3y[n-1] + 5y[n-2] = x[n] + 2x[n-2] – 3x[n-4] (Filter diff. eq.)
13. From the pole-zero plot given below, the numerator polynomial in the transfer function is which of the following (assume the transfer function polynomials have been put instandard form):
14. Given the transfer function, what type of response does this represent?
15. For a continuous-time second order lowpass system with a and an  radians per second, write an s-domain transfer function that describes this system.
16. The system  is:
17. For the s-plane plot below, what type of frequency response behavior would be expected?
18. For a Bode approximation of a transfer function H(s) described by:
19. For the s-plane plot below, what type of frequency response behavior would be expected?
20. Consider an FIR filter with the impulse response shown below. Does this filter have a linear phase response?

(more)
##### Try a College Course Free

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

No credit card required

26 Sophia partners guarantee credit transfer.

226 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 21 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

Tutorial