File:Comb filter response ff neg.svg
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Size of this PNG preview of this SVG file: 512 × 512 pixels. Other resolutions: 240 × 240 pixels | 480 × 480 pixels | 768 × 768 pixels | 1,024 × 1,024 pixels | 2,048 × 2,048 pixels.
Original file (SVG file, nominally 512 × 512 pixels, file size: 2 KB)
Captions
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Summary[edit]
| Description |
English: Magnitude response of feedforward comb filter for three different negative values of α and K=1. |
| Date | |
| Source | Own work |
| Author | Krishnavedala |
| SVG development |  |
Maxima source code[edit]
The graph can also be generated using the following script.
load(draw);
H(w,a,K):= abs( 1 + a * exp(-%i*w*K));
draw2d( terminal=svg, dimensions=[748,367],
grid=true,user_preamble="set mxtics; set mytics;",
xtics_axis=false,ytics_axis=false,ip_grid=[20,20],
xtics={["0",0], ["π",%pi],["2π",2*%pi],["3π",3*%pi],["4π",4*%pi],
["5π",5*%pi],["6π",6*%pi],["7π",7*%pi],["8π",8*%pi],
["9π",9*%pi],["10π",10*%pi]},
color=black,xlabel="ω (rad/s)",ylabel="{/=20 |}H ( e^{jω}){/=20 |}",
xaxis_type=solid,yaxis_type=solid,line_width=1.5,yrange=[0,2.5],
axis_bottom=true,axis_top=false,axis_right=false,axis_left=true,
key="α = -1",color=blue,explicit((H(w,-1,1)),w,0,10*%pi),
key="α = -0.75",color=red,explicit((H(w,-0.75,1)),w,0,10*%pi),
key="α = -0.5",color=magenta,explicit((H(w,-0.5,1)),w,0,10*%pi)
);
Licensing[edit]
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:01, 18 April 2015 | | 512 × 512 (2 KB) | Krishnavedala (talk | contribs) | further simplified and fixed legend for blue curve |
| 19:25, 18 April 2015 |  | 550 × 550 (4 KB) | Krishnavedala (talk | contribs) | simplified drawing | |
| 23:33, 24 May 2011 |  | 600 × 480 (45 KB) | Krishnavedala (talk | contribs) | still had to correct unicode manually | |
| 23:27, 24 May 2011 |  | 748 × 367 (45 KB) | Krishnavedala (talk | contribs) |
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