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This is FIR filter design exercise in MATLAB.
Fir filter design matlab exercise
Design by windowing
Assuming sampling rate at 48kHz, design an order-40 low-pass filter having cut-off frequency 10kHz bywindowing method. In your design, use Hamming window as the windowing function.
b = fir1(40,10.0/48.0) Parks-mcclellan optimal design
Assuming sampling rate at 48kHz, design an order-40 lowpass filter having transition band 10kHz-11kHzusing the Parks-McClellan optimal FIR filter design algorithm.
b = remez(40,[1 1 0 0],[0 10/48 11/48 1]) Read also:
OpenStax, Intro to digital signal processing. OpenStax CNX. Jan 22, 2004 Download for free at http://cnx.org/content/col10203/1.4
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