File:Chebyshev Type I Filter s-Plane Response (8th Order).svg
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![File:Chebyshev Type I Filter s-Plane Response (8th Order).svg](https://upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Chebyshev_Type_I_Filter_s-Plane_Response_%288th_Order%29.svg/480px-Chebyshev_Type_I_Filter_s-Plane_Response_%288th_Order%29.svg.png?20090131190325)
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DescriptionChebyshev Type I Filter s-Plane Response (8th Order).svg |
English: Log-absolute complex frequency (s=σ+jω) response of an 8th order Chebyshev filter. Values less than 0.05 are black; greater than 20 are in white.
ε = 0.1 and ω0 = 1. |
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Date | ||||
Source | Own work | |||
Author | Inductiveload | |||
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Mathematica Code
[edit]cheb1gain[w_, w0_, ep_, n_] := 1/Sqrt[1 + ep^2*ChebyshevT[n, w/w0]^2]; DensityPlot[ w0 = 1; ep = 0.1; min = 0.05; max = 20; n = 8; Log[ Abs[ cheb1gain[sig + I*w, w0*I, ep, n] ]], {sig, -3, 3}, {w, -3, 3}, PlotRange -> {Log[min], Log[max]}, PlotPoints -> 100, ColorFunction -> GrayLevel, ClippingStyle -> {Black, White}, Frame -> False, ImageSize -> 2000]
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:03, 31 January 2009 | ![]() | 480 × 460 (212 KB) | Inductiveload (talk | contribs) | {{Information |Description={{en|1=Log-absolute complex frequency (''s''=''σ''+''jω'') response of an 8th order en:Chebyshev filter. Values less than 0.05 are black; greater than 20 are in white. ''ε'' = 0.1 and ''ω''<sub>0</sub> = 1. |
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