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Problem 8.16 Is the discrete-time process {Yn: n = 1,2,…} defined by: Y0 = 0 and nnn WYY +=+ α1 , a Gaussian process, if Wn is Gaussian? Solution (Proof by mathematical induction.) The first term 001 WYY += α is Gaussian since 00 =Y and are Gaussian. The second term 0W 112 WYY +=α is Gaussian since and are Gaussian. Assume is Gaussian. Then 1Y 1W nY nnn WYY +=+ α1 is Gaussian since and are both Gaussian. nY nW Excerpts from this work may be reproduced by instructors for distribution on a not-for-profit basis for testing or instructional purposes only to students enrolled in courses for which the textbook has been adopted. Any other reproduction or translation of this work beyond that permitted by Sections 107 or 108 of the 1976 United States Copyright Act without the permission of the copyright owner is unlawful. page…8-18
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