# Discrete-Time Convolution

Discrete-Time Convolution

The convolution of two discrete-time signals and is defined as

h(n)

x(n)

y(n)=h(n)⋆x(n)=h(k)x(n-k)

∞

∑

k=-∞

The left column shows and below over . The right column shows the product over and below the result over .

h(k)

x(n-k)

k

h(k)x(n-k)

k

y(n)

n