Convolution with
stationary PEF
1
a
1
… a
2
a
3
a
4
1
a
1
… a
2
a
3
a
4
1
a
1
… a
2
a
3
a
4
1
a
1
… a
2
a
3
a
4
N
t
x
N
x
trace 1
trace 2
trace
N
x
...
N
t
x
N
x
x
Convolution Matrix
