Filter löschen
Filter löschen

Create a Low Pass Filter on Matlabto Eliminate Hight Frequency Component at 3khz (Z function)

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I need to create a z function that I will then use to filter a graph. The low pass in question should eliminate HF component at 3Khz.
However I have trouble to find it. Any help would be greatly appreciated.
Thanks again

Antworten (3)

Alex am 3 Nov. 2011
You can use the filter command.
If you have the signal Processing toolbox, there is the fdatool that will create filters easily.

Wayne King
Wayne King am 3 Nov. 2011
Hi, You can use fdesign.lowpass to design your filter at the command line. As Alex said, fdatool gives you an interactive way to design the filter. You need to know your sampling frequency and other things about filter beyond just the "cutoff" frequency.
See the help for fdesign.lowpass

Nori Noro
Nori Noro am 3 Nov. 2011
Thanks for your answer guys. However we are not allowed to design it using the commandline.

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