spring 2004 EE 3120 test #1

spring 2004 EE 3120 test #1 - Name:_ EE 3120 SSN:_ 1....

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Name:_____________________________________ EE 3120 Test # 1 SSN:_______________________________________ Spring 2004 DO NOT WRITE ON THE BACK OF THESE PAGES, IT WILL NOT BE GRADED 1. Indicate whether the following is a signal or a system. a. Brainwaves __________________ b. credit card number_________ c. Computer CPU________________ d. email spam________________ e. human speech_________________ f. microphone_______________ g. PAWS semester book ___________ h. home work grades___________ 2. Express the following signal in terms of step and ramp functions. 3. Plot e 13t , e -13t , e -j13t on three separate graphs below. e 3t e -3t e -j3t On each plot place a dot at t = 13. 4. For the following function, verify that we can approximate infinity (that is t ∞) after about 13 seconds. y(t)= 5 e -0.354t sin13 t for t > 0
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
5. Consider the following function: y(t) = log( t - 4) Is y(t) defined for all t ? Is
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

spring 2004 EE 3120 test #1 - Name:_ EE 3120 SSN:_ 1....

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online