File:KaiserWindow.svg
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Size of this PNG preview of this SVG file: 700 × 525 pixels. Other resolutions: 320 × 240 pixels | 640 × 480 pixels | 1,024 × 768 pixels | 1,280 × 960 pixels | 2,560 × 1,920 pixels.
Original file (SVG file, nominally 700 × 525 pixels, file size: 78 KB)
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Summary
[edit]DescriptionKaiserWindow.svg | Kaiser Window Function for different parametric values | |||
Date | 2007-09-18, revised 2019-03-21 by Bob K | |||
Source | Own work | |||
Author | RetoGalli | |||
Permission (Reusing this file) |
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SVG development InfoField | V This vector image was created with GNU Octave. |
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Octave/gnuplot source InfoField | click to expand
This graphic was created by the following Octave script: pkg load signal
graphics_toolkit gnuplot
clear all; close all; clc
betas = [1 2 4 8 16];
alphas = betas/pi
colors = [0 0 1; 0 1 0; 1 0 0; 0 1 1; 1 0 1]; %blue green red cyan magenta
hfig = figure;
grid on; hold on; box on
N = 128; % Relative curve shapes are not sensitive to this number
set(gca, "XTick",[0 : 1/8 : 1]*N,...
"XTickLabel",[" 0"; " "; " "; " "; " "; " "; " "; " "; "N "])
xlim([0 N])
ylim([0 1.05])
for k = 1:length(betas)
w = besseli(0,betas(k)*sqrt(1-(2*(0:N)/N -1).^2))/besseli(0,betas(k));
plot(0:N, w, "color", colors(k,:), "linewidth", 2)
end
title("Parametric family of Kaiser windows")
ylabel(" ") % create left margin
text(3, .99, 'W_n', "fontsize", 14)
text(56, -0.05, '\leftarrow n \rightarrow')
h = legend(['\pi\alpha= ' num2str(betas(1),'%2i') '; \alpha=' num2str(betas(1)/pi,'%4.2f')],...
['\pi\alpha= ' num2str(betas(2),'%2i') '; \alpha=' num2str(betas(2)/pi,'%4.2f')],...
['\pi\alpha= ' num2str(betas(3),'%2i') '; \alpha=' num2str(betas(3)/pi,'%4.2f')],...
['\pi\alpha= ' num2str(betas(4),'%2i') '; \alpha=' num2str(betas(4)/pi,'%4.2f')],...
['\pi\alpha=' num2str(betas(5),'%2i') '; \alpha=' num2str(betas(5)/pi,'%4.2f')],...
"location","south");
legend boxoff
set(h, "fontsize",10);
% The following print() converts plain-text Greek characters in text() strings into Symbol font,
% but legend() crashes it. The set() succeeds, but generates warnings, some of which are
% diabled by warning().
% print(hfig,"-dsvg","-color",'C:\Users\BobK\KaiserWindow.svg')
warning("off", "Octave:missing-glyph");
set(h, "fontname","Symbol");
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File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:58, 24 March 2019 | 700 × 525 (78 KB) | Bob K (talk | contribs) | more space between ylabel and axis | |
16:43, 24 March 2019 | 700 × 525 (78 KB) | Bob K (talk | contribs) | more whitespace above peak value | ||
16:31, 24 March 2019 | 700 × 525 (78 KB) | Bob K (talk | contribs) | change x-limit from N-1 to N | ||
21:50, 22 March 2019 | 700 × 525 (79 KB) | Bob K (talk | contribs) | This version has a full border. | ||
17:00, 22 March 2019 | 700 × 525 (75 KB) | Bob K (talk | contribs) | Change legend to display α and β=πα. | ||
22:09, 18 September 2007 | 560 × 420 (29 KB) | RetoGalli (talk | contribs) | {{Information |Description=Kaiser Window Function for different alpha values |Source=self-made with Matlab |Date=18-September-2007 |Author= RetoGalli }} |
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Width | 560pt |
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Height | 420pt |