A12_Tran

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Signals and Systems Issued: 5 November 2014 Fall 2014 Due: 12 November 2014 Homework Assignment #12 1. A continuous-time signal ( ) x t is shown below: Neatly draw the following signals: a) ( 2) x t . b) (2 1) x t . c) ( 1) x t   . 2. Write an expression for the following functions using shifted and scaled versions of the unit step function u s ( t ). (a) (b) (c) (See Problems 3 and 4 on the next page.)
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3. (a) Find a vector orthogonal to both 3 2 1 and
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