Linear Syst &Signal Processing
Linear Syst &Signal Processing ELEC 320
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This 1 page Class Notes was uploaded by Mikel Kuhlman on Saturday October 3, 2015. The Class Notes belongs to ELEC 320 at Bucknell University taught by Staff in Fall. Since its upload, it has received 10 views. For similar materials see /class/218103/elec-320-bucknell-university in Electrical Engineering at Bucknell University.
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Date Created: 10/03/15
ELEC 320 Prof Rich Kozick Steps in Computing ContinuousTime Convolution yt m ht LzAht7AdA 1 O m 7 A hA dA 2 You can use either 1 or 27 whichever is more convenient The following steps are used for If you use 27 then ip and shift77 z rather than h 1 Plot A and hA 2 Plot h7A time reverse and ht 7 A add t to all ordinates versus A 3 Do not skip this step Plot A and ht 7 A on the same graph7 versus A The location of ht 7 A on the A aXis will be a function of t Note that these functions appear inside the integral in 4 Repeat the following steps for every value off 6 7007 00 a Form the product A ht 7 A at all A values You may want to plot this product on a graph versus A This product will often look different77 when It takes on values in different intervals b Find the area under this product7 ie7 evaluate 30 A ht 7 A dA In many problems7 the integration limits will depend on t c The area you computed in step 4b is the value of yt for a particular value of t or7 more often7 the result is valid for an interval of t values 5 It is usually best to write the equation for yt and to sketch a plot of yt versus t