Random Non-periodic waveform
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How can I draw this waveform, it is a non periodic signal with the intervals like this {[1.54,2.49], [4.97,5.88], [6.69,7.98], [8.05,8.25],[8.58,9.09], [10.48,10.86], [11.16,12.97], [14.51,15.24],[15.38,15.60], [17.20,17.74], [19.16,22.38], [23.69,23.73],[24.59,25.47], [25.59,26.22], [26.65,29.27]}, these intervals are the starting and ending pionts of shaded area.
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Star Strider
2020-4-7
编辑：Star Strider
2020-4-7
Try this:
C = {[1.54,2.49], [4.97,5.88], [6.69,7.98], [8.05,8.25],[8.58,9.09], [10.48,10.86], [11.16,12.97], [14.51,15.24],[15.38,15.60], [17.20,17.74], [19.16,22.38], [23.69,23.73],[24.59,25.47], [25.59,26.22], [26.65,29.27]};
figure
hold all
for k = 1:numel(C)
patch([C{k} flip(C{k})], [0 0 1 1], [1 1 1]*0.8, 'EdgeColor','none')
end
hold off
It reproduces the image you posted, so I will not re-post it here.
EDIT — Added pulse train plot.
To draw it as a pulse train:
figure
hold all
for k = 1:numel(C)
plot([[1 1]*C{k}(1) [1 1]*C{k}(2)], [0 1 1 0], 'k')
end
hold off
grid
.
6 个评论
Muhammad Atif
2020-4-7
Thanks sir for your response, actually I want to plot this signal. The intervals was given as an example, In general how can creat this signal for time varying intervals for which it is '1'?
Star Strider
2020-4-7
As always, my pleasure!
Unfortunately, I have no idea. That makes no sense to me, since I have no idea what the ‘g’ and ’b’ refer to.
Muhammad Atif
2020-4-7
Star Strider
2020-4-7
I’m sorry. I still do not understand. What generates the ‘g’ and ‘b’ vectors?
Muhammad Atif
2020-4-8
Star Strider
2020-4-8
I am still not certain what you want.
Try this:
N = 25; % Number Of Segments
g = rand(1,N);
b = rand(1,N);
C = mat2cell([cumsum(g+b); cumsum(g+b)-b]', ones(1,size(g,2)), 2);
figure
hold all
for k = 1:numel(C)
patch([C{k} flip(C{k})], [0 0 1 1], [1 1 1]*0.8, 'EdgeColor','none')
end
hold off
set(gca,'Layer','top', 'Box','on') % Put Axes On Top Of ‘patch’ Objects
legend('DoS')
figure
hold all
for k = 1:numel(C)
plot([[1 1]*C{k}(1) [1 1]*C{k}(2)], [0 1 1 0], 'k')
end
hold off
grid
更多回答（1 个）
Muhammad Atif
2020-4-10
0 个投票
1 个评论
Star Strider
2020-4-10
I do not understand what you want. The code I wrote is about as simple as I can create it, unless there is information about this that has so far not been posted. The loops are necessary because of the nature of the data. Each interval must be plotted individually in the patch call.
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