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Search results with tag "Why frequency analysis"
Frequency Analysis of Signals and Systems
web.eecs.umich.edu4.2 c J.Fessler,May27,2004,13:11(studentversion) Motivation: complex exponentials are eigenfunctions Why frequency analysis? Complex exponential signals, which are described by a frequency value, are eigenfunctions or eigensignals of LTI systems. Period signals, which are important in signal processing, are sums of complex exponential signals.