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lneuhaus / pyrpl

pyrpl turns your RedPitaya into a powerful DSP device, especially suitable as a lockbox in quantum optics experiments.
http://lneuhaus.github.io/pyrpl/
MIT License
137 stars 107 forks source link

IIR implementation #453

Open OE926 opened 2 years ago

OE926 commented 2 years ago

Hi,

Nice project. I've been examining the iir filter through the gui and it doesn't seem to implement complex zeros properly. I don't seem to achieve the dip that is expected when complex pair of zeros are present. I'm on the python3-only-prepare-merge branch