Zero-Phase Filter design using FDATool to get Verilog HDL code

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Syed Muhammad Abubakar 2021-4-16

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https://ww2.mathworks.cn/matlabcentral/answers/803726-zero-phase-filter-design-using-fdatool-to-get-verilog-hdl-code

编辑： Yukthi S 2024-4-16

I have designed an high-pass filter for perform filtering of the time domain signal. I used filtfilt() function to perform the filtering operation. Now I want to design the same filter in the hardware. For that purpose I am using FDATool in MATLAB. But I can't find any option for zero-phase filter design inside the FDATool. Please help me in this regards and guide me how can I generate a zero-phase filter verilog code from the FDATool.

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Answer 1

Yukthi S 2024-4-16

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https://ww2.mathworks.cn/matlabcentral/answers/803726-zero-phase-filter-design-using-fdatool-to-get-verilog-hdl-code#answer_1442231

编辑：Yukthi S 2024-4-16

Hello Syed,

I noticed that you wanted to implement zero-phase digital filtering in hardware for the same high-pass filter you designed using the “filtfilt” function.

You can refer to the following MathWorks Documentation link which also talks about the same.

https://www.mathworks.com/help/releases/R2019a/dsp/ug/using-filter-designer.html#:~:text=right%2Dclick%20the%20y%2Daxis%20of%20the%20plot%20and%20select%20Zero%2Dphase

I have attached an image as well for your understanding: