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Unformatted text preview: R X ( ) = (1   /T ) or   < T and zero elsewhere. (a) ind S Y ( f ). (b) ind R Y ( ). (c) ind E [ Y 2 ( t )]. 8. The input into a Flter is zeromean white noise with noise power density N / 2. The Flter has transer unction H ( f ) = 1 1 + j 2 f (a) ind S Y,X ( f ) and R Y,X ( ) . (b) ind S Y ( f ) and R Y ( ). (c) What is the average power o the output? 9. (a) A WSS Gaussian random process X ( t ) is applied to two linear systems as shown in the ollowing Fgure. ind an expression or the joint pd o Y ( t 1 ) and W ( t 2 ). (b) Evaluate part a i X ( t ) is white Gaussian noise. h 1 ( t ) h 2 ( t ) X ( t ) Y ( t ) W ( t ) 2...
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 Winter '10
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