generating aperodic impulse train or triangular pulse or rectangular pulse

Hello all,

I want to generate aperodic signal of type impulse train or triangular pulse train or rectangular pulses train. i.e. time period b/w samples should vary for every 2 samples. I want to find frequency content from that signal by using FFT. I am new to matlab coding. Could anyone plz explain me how to generate the signal… Rest FFT and signal analysis i can do.

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Attached is my triangle wave demo. Feel free to adapt it as needed.

% Creates triangle waves two ways, one using repmat() and 
% one using sawtooth() from the Signal Processing Toolbox.
format longg;
format compact;
clc; % Clear command window.
workspace; % Make sure the workspace panel is showing.
fontSize = 15;
close all; % Close figures from a prior run of this demo.
% If you have the signal Processing Toolbox, you can do
x=-30 : 0.01 : 30;
f=@(x) 10 * sawtooth(x ,0.5) + 5;
line(x,f(x),'color','r', 'linewidth',2.5)
grid on;
% Enlarge figure to full screen.
set(gcf, 'units','normalized','outerposition',[0 0 1 1]);
% Give a name to the title bar.
set(gcf,'name','Demo by ImageAnalyst','numbertitle','off')




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