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Error using fdesign.notch

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user86753
user86753 2021-2-15
回答： Star Strider 2021-2-15
I'm trying to test the notch filter code referenced here, https://www.mathworks.com/help/dsp/ref/fdesign.notch.html.
F0 = 60; % interference is at 60 Hz
Fs = 3000; % sampling frequency is 3000 Hz
notchspec = fdesign.notch('N,F0,Q',2,F0,10,Fs);
notchfilt = design(notchspec,'SystemObject',true);
fvtool(notchfilt,'Color','white');
I have the Signal Processing Toolbox but I'm getting the error below.
Unable to resolve the name fdesign.notch.
Signal Processing Toolbox Version 8.5 (R2020b)

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Star Strider
Star Strider 2021-2-15
The fdesign.notch function is in the DSP System Toolbox.
An appropriate Signal Processing Toolbox equivalent function is bandstop.

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