Convolution for delta function and unit step function

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Ringo Wong
Ringo Wong 2017-11-14
编辑： Ringo Wong 2017-11-14
I got an input x(t)= u(t)-u(t-1) and output y(t)= u(t-1)-u(t-2)
I am asked to find the impulse response ,h, by using echo properties,and plot the convolution of x(t) and h(t) with a sampling frequency higher than 500 Hz.
The impulse response,h, I found is delta(t-1), according to the echo properties.
However, I don't get the plot y(t) which supposed to be.
Please let me know how to correct it.
T = 1./500
t=0:T:4;
h[ 0 1 ];
x = (t>0)-(t>1);
y = T*conv(x,h);
plot(y)

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