How to superimpose a pulse (like partial discharge pulse ) over a pure sine wave signal

How to superimpose a pulse (like partial discharge pulse ) over a pure sine wave signal to test behavior of electrical equipment to that distortion .

Answer 1

[Mathieu NOE]

hello

this is a code to generate a gaussian pulse

you can add this to your sine wave

f0 = 2e3;
Var_Sq = 1;
Fs = 1e5;
dt = 1/Fs;

samples = 1e3;
t = dt*(0:samples-1);

offset = 300*dt; % 3 ms delay

signal1 = exp(-((t.^2).*((f0)^2))./(Var_Sq));

signal2 = exp(-(((t-offset).^2).*((f0)^2))./(Var_Sq));

figure(1),plot(t,signal1,'b',t,signal2,'r');grid