00520nam a22001217a 4500020002200000082001900022100002200041245003700063260004100100300002900141500002100170650020700191  a812971003 X (pbk)  a621.3822bSHE   aSherrick, John D.  aConcepts in systems and signals   aNew Delhi bPearson Education c2005  a457 p.b: ill.c; 24 cm.  aIncludes index.   aSignal processing-Mathematics aSignal processing-Digital techniques vContinuous-Time systems vNumbers, arithmeticvFIR filter design vAnalysis techniques vStandard filters vSampled signals vFEAS