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| Description |
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. |
||
| Date | |||
| Source | Own work | ||
| Author | Inductiveload | ||
| Permission (Reusing this file) |
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Mathematica Code
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]
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:03, 31 January 2009 | | 480 × 460 (212 KB) | Inductiveload | {{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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