 | dsp-0.2: Digital Signal Processing | Contents | Index |
| DSP.Filter.Analog.Response |
|
Module for generating analog filter responses
Formulas are from Oppenheim and Schafer, Appendix B
| butterworth_H :: Int -> Double -> Double -> Double |
| chebyshev1_H :: Int -> Double -> Double -> Double -> Double |
| chebyshev2_H :: Int -> Double -> Double -> Double -> Double |
| :: Int | N |
| -> Double | w_c |
| -> Double | w |
| -> Double | |H_c(w)|^2 |
| Butterworth filter response function | |
| :: Int | N |
| -> Double | epsilon |
| -> Double | w_c |
| -> Double | w |
| -> Double | |H_c(w)|^2 |
| Chebyshev filter response function | |
| :: Int | N |
| -> Double | epsilon |
| -> Double | w_c |
| -> Double | w |
| -> Double | |H_c(w)|^2 |
Inverse Chebyshev filter response function Note that w_c is a property of the stopband for this filter | |