# q2 - 6.003 (Fall 2009) October 28, 2009 Quiz #2 Name:...

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Quiz #2 / 6.003: Signals and Systems (Fall 2009) 2 1. Convolutions [18 points] Consider the convolution of two of the following signals. a ( t ) t 1 1 2 1 b ( t ) t 1 1 2 1 c ( t ) t 1 1 2 1 Determine if each of the following signals can be constructed by convolving ( a or b or c ) with ( a or b or c ). If it can, indicate which signals should be convolved. If it cannot, put an X in both boxes. Notice that there are ten possible answers: ( a a ), ( a b ), ( a c ), ( b a ), ( b b ), ( b c ), ( c a ), ( c b ), ( c c ), or (X,X). Notice also that the answer may not be unique. 1 4 1 2 t = a or b or c or X a or b or c or X 1 4 1 2 t = a or b or c or X a or b or c or X
Quiz #2 / 6.003: Signals and Systems (Fall 2009) 3 1 4 1 2 t = a

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## q2 - 6.003 (Fall 2009) October 28, 2009 Quiz #2 Name:...

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