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design of simple low pass filter

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papan dey
papan dey 2013-4-30
i want to design a single butterworth low pass filter which order is n=2;cutoff frequency=20hz,damping coefficient=1;sampling frequency=1000hz.i did it in simulink block.can it possible to write in MATLAB code?is this code can be transformed into assembly language?can anyone help me regarding this.thank you.
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Jan
Jan 2013-4-30
The cut-off frequency must be expressed relative to the sample freuqency. When the order, cut-off frequency and type of the filter (Butterworth) is fixed, the damping coefficient can not be chosen anymore.

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Jan
Jan 2013-4-30

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