//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Číslicové zpracování signálů by: Uhlíř, Jan, 1940-, et al. Published: (2002)
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Transforms in Signals and Systems by: Kraniauskas, Peter Published: (1995)
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Signals, Systems and Transforms by: Jackson, Leland B. Published: (1991)