ECE108HW%231_06

ECE108HW%231_06 - ECE 108 HW #1 Due 1/30/06 Text: Oppenheim...

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ECE 108 HW #1 Due 1/30/06 Text: Oppenheim and Willsky, 2 nd Edition Read Sections 1.4 through 1.7 (you can omit 1.5.2) 1. Determine the values of and for each of the following signals. Which signals are P E energy signals and which are power signals? (a) () || xt t = (b) () ( ) () 2 cos t xt e tut π = (c) () 2 4 j  +  
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