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| DSP.Filter.IIR.Transform | | Portability | portable | | Stability | experimental | | Maintainer | m.p.donadio@ieee.org |
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| Description |
Digital IIR filter transforms Reference: R&G, pg 260; O&S, pg 434; P&M, pg 699 Notation follows O&S
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| Synopsis |
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| d_lp2lp :: Double -> Double -> ([Double], [Double]) -> ([Double], [Double]) | | | d_lp2hp :: Double -> Double -> ([Double], [Double]) -> ([Double], [Double]) | | | d_lp2bp :: Double -> Double -> Double -> ([Double], [Double]) -> ([Double], [Double]) | | | d_lp2bs :: Double -> Double -> Double -> ([Double], [Double]) -> ([Double], [Double]) |
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| Documentation |
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| d_lp2lp |
| :: Double | theta_p | | -> Double | omega_p | | -> ([Double], [Double]) | (b,a) | | -> ([Double], [Double]) | (b',a') | | Lowpass to lowpass: z^-1 --> (z^-1 - a)/(1 - a*z^-1) |
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| d_lp2hp |
| :: Double | theta_p | | -> Double | omega_p | | -> ([Double], [Double]) | (b,a) | | -> ([Double], [Double]) | (b',a') | | Lowpass to Highpass: z^-1 --> -(z^-1 + a)/(1 + a*z^-1) |
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| d_lp2bp |
| :: Double | theta_p | | -> Double | omega_p1 | | -> Double | omega_p2 | | -> ([Double], [Double]) | (b,a) | | -> ([Double], [Double]) | (b',a') | | Lowpass to Bandpass: z^-1 --> |
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| d_lp2bs |
| :: Double | theta_p | | -> Double | omega_p1 | | -> Double | omega_p2 | | -> ([Double], [Double]) | (b,a) | | -> ([Double], [Double]) | (b',a') | | Lowpass to Bandstop: z^-1 --> |
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| Produced by Haddock version 0.4 |
