Transcription of Digital Filter Design Using Matlab By Timothy J ...
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Digital Filter Design Using MatlabBy Timothy J. SchlichterEE 4000 Introduction to Digital Filtering5/2/99 Submitted to: Dr. Joseph PiconeMississippi State UniversityDepartment of Electrical and Computer EngineeringEXECUTIVE SUMMARYA fundamental aspect of signal processing is filtering. Filtering involves the manipulationof the spectrum of a signal by passing or blocking certain portions of the spectrum,depending on the frequency of those portions. Filters are designed according to what kindof manipulation of the signal is required for a particular application. Digital filters areimplemented Using three fundamental building blocks: an adder, a multiplier, and a Design process of a Digital Filter is long and tedious if done by hand.
1 1 1 10 1 (Ingle 183) yn bxnm aynmmm n N m M ( ) ( )=−− − = = ∑ ∑ 0 0 This system response can be easily realized using a signal flow graph. x(n) y(n) b0 b1 b2 b3 b4-a1-a2-a3-a4 z^-1 z^-1 z^-1 z^-1 Figure 3: Signal Flow Graph of IIR Filter
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