![Real-time estimation of respiratory rate from a photoplethysmogram using an adaptive lattice notch filter | BioMedical Engineering OnLine | Full Text Real-time estimation of respiratory rate from a photoplethysmogram using an adaptive lattice notch filter | BioMedical Engineering OnLine | Full Text](https://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1475-925X-13-170/MediaObjects/12938_2014_Article_902_Fig6_HTML.jpg)
Real-time estimation of respiratory rate from a photoplethysmogram using an adaptive lattice notch filter | BioMedical Engineering OnLine | Full Text
![For the four-pole filter in Figure (b), determine the capacitance values required to produce a critical frequency of 2680 Hz if all the resistors in the RC low-pass circuits are 1.8 kOmega. For the four-pole filter in Figure (b), determine the capacitance values required to produce a critical frequency of 2680 Hz if all the resistors in the RC low-pass circuits are 1.8 kOmega.](https://holooly.com/wp-content/uploads/2021/02/11-1.png)
For the four-pole filter in Figure (b), determine the capacitance values required to produce a critical frequency of 2680 Hz if all the resistors in the RC low-pass circuits are 1.8 kOmega.
![Normalized Lowpass Filters “All-pole” lowpass filters, such as Butterworth and Chebyshev filters, have transfer functions of the form: Where N is the filter. - ppt download Normalized Lowpass Filters “All-pole” lowpass filters, such as Butterworth and Chebyshev filters, have transfer functions of the form: Where N is the filter. - ppt download](https://slideplayer.com/5766507/19/images/slide_1.jpg)
Normalized Lowpass Filters “All-pole” lowpass filters, such as Butterworth and Chebyshev filters, have transfer functions of the form: Where N is the filter. - ppt download
![Real-time estimation of respiratory rate from a photoplethysmogram using an adaptive lattice notch filter | BioMedical Engineering OnLine | Full Text Real-time estimation of respiratory rate from a photoplethysmogram using an adaptive lattice notch filter | BioMedical Engineering OnLine | Full Text](https://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1475-925X-13-170/MediaObjects/12938_2014_Article_902_Fig5_HTML.jpg)