 | dsp-0.1: Haskell Digital Signal Processing | Contents | Index |
| DSP.Filter.IIR.Design |
|
Lowpass IIR design functions
Method:
- Design analog prototype
2. Perform analog-to-analog frequency transformation
3. Perform bilinear transform
| mkButterworth :: (Double, Double) -> (Double, Double) -> (Array Int Double, Array Int Double) |
| mkChebyshev1 :: (Double, Double) -> (Double, Double) -> (Array Int Double, Array Int Double) |
| mkChebyshev2 :: (Double, Double) -> (Double, Double) -> (Array Int Double, Array Int Double) |
| :: (Double, Double) | (wp,dp) |
| -> (Double, Double) | (ws,ds) |
| -> (Array Int Double, Array Int Double) | (b,a) |
| Generates lowpass Butterworth IIR filters | |
| :: (Double, Double) | (wp,dp) |
| -> (Double, Double) | (ws,ds) |
| -> (Array Int Double, Array Int Double) | (b,a) |
| Generates lowpass Chebyshev IIR filters | |
| :: (Double, Double) | (wp,dp) |
| -> (Double, Double) | (ws,ds) |
| -> (Array Int Double, Array Int Double) | (b,a) |
| Generates lowpass Inverse Chebyshev IIR filters | |