test1sp08 - 1 ECE 402 TEST 1 Spring 2008 February 18, 2008...

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1 ECE 402 TEST 1 Spring 2008 February 18, 2008 NAME: Your NC State ID number: INSTRUCTIONS: Please Read If you need more room, write on the back side of the PREVIOUS page, not the back of the current page!! Please do not use your paper. Open book(s) and notes, including any lab related material. Be sure what you have written down is correct. YOU COULD LOSE POINTS FOR INCORRECT STATEMENTS. There are 6 problems on 4 total pages, including this page, make sure you have all pages now. The tests must be turned in by the time announced for full credit. KEEP YOUR ANSWERS BRIEF AND TO THE POINT. DON’T WASTE TIME WRITING LONG DISCUSSIONS. SOME Useful Facts Recall that Λ( t τ ) is a triangle function of peak amplitude = 1, centered around the origin, and is non-zero in the interval [ - τ < t < τ ]. x n = f 0 G ( nf 0 ), where x n are the Fourier Series coefficients of periodic signal x ( t ), and G ( f ) is the Fourier Transform of a single period of x ( t ). “Convolution of a signal of width
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test1sp08 - 1 ECE 402 TEST 1 Spring 2008 February 18, 2008...

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