Re: [oc] My grandfather name is the same as yours

[Richard Herveille <richard@asics.ws>]

Hi Daisy,

Medical field huh, as a (previous) medical devices engineer I know some 
usages for Biquads:

1) filtering :-)
- Ultrasound Doppler (color and doppler imaging)
- Ultrasound 2nd harmonics imaging
- ECG/EEG 50/60Hz notch filters
- ECG Membrane Action Potential (MAP) filters

2) and more filtering ....

Richard


>  Dear Mr RAmi;
>   My name is Daisy Tadros,
>   i need to know some applications of the Biquad IIR filters.if possible in
>medical field,like medical imaging(echocrdiology) or in
>telecommunications.
>  Basicly my undergraduate study was in medical electronics ,now i am
>doing msc in computer architecture and networking. and Dsp's
>applications are part of my reseach project . but i am interested in the
>Biquad filter.
>   Thank you for your cooperation.
>   Merry Christmass and hapy new year.
>
>  Daisy Tadros
>
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