{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

ECE111_2006SPRING_EXAM

# ECE111_2006SPRING_EXAM - The Cooper Union Department of...

This preview shows pages 1–2. Sign up to view the full content.

The Cooper Union Department of Electrical Engineering ECEl11 Signal Processing & Systems Analysis Exam I tr4arch B, 2006 Time: 60 min. Closed book, closed notes. No calculators. Note: cosAcosB: j cos (,1+ B) + j cos (,4 - B). 1. [8 pts.] The impedance of a circuit at IjOMHZ is Z :5 + jl2e. ln this problem, given the appropriate units with a.ll answers. (a) Determine the resistance, rcactance, admittance, conductance, susceptance. Also provide the standard letter (e.g., Z for impedance) used for all of these quantities. (b) Is the inpedance equivalent to a resistor in series with a.n inductor or capacitor? (c) Find ihe value ofthe inductance or capacitance- leave the answer as an explicit ^ numeticalexpression (i.e., ready to be plugged i11to a ca]culator, no synbols). a\ VJ t4 pt".] The waveforms h 1tl and r (i) a.re shown in Fi ure 2, Let a : ltxx. Compute - v (2) ONLY (do not compute I (t) for all timel!) using a ,,flip und siicle,, method-draw ajt appropriate sketch. You must show wotk, and will get no credit ifyou useany other method. 3. [8 pts.] The discrete-time signals fi., u are given by: r : {-2,3, !, 5, 0, 2} ,1 : {4,2. 1.2, 1} As usual, the undelscore denotes n:0. Let!:lt*t.

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

View Full Document
This is the end of the preview. Sign up to access the rest of the document.
• Spring '08
• Faculty
• Trigraph, pts, Analog-to-digital converter, Cooper Union Department of Electrical Engineering, sinewave frequency/e

{[ snackBarMessage ]}