Another definition of bandwidth for a signal is the 90% energy containment bandwidth. For a signal with
Question:
Obtain B90 for the following signals if it is defined. If it is not defined for a particular signal, state why it is not.
(a) x1 (t) = e-at u(t), where α is a positive constant
(b) x2 (t) = 2W sinc (2W t) where W is a positive constant
(c) x3 (t) = II (t/Ï„) (requires numerical integration)
(d) x4 (t) = Λ (t/τ) (requires numerical integration)
(e) x5 (t) = e-a|t|
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a The energy spectral density is given by SinceE to...View the full answer
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Related Book For 
Principles of Communications Systems, Modulation and Noise
ISBN: 978-8126556793
7th edition
Authors: Rodger E. Ziemer, William H. Tranter
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