MIA Homework Assignment 1 Solutions
Solution 2.1
(a) (, ) =
= = ( , ) = = ( ) = ( ), therefore it
is a separable signal.
(d) (, ) is a separable signal when 0 0 = 0. For example, if 0 = 0, (, ) = sin(20 ) is
the product of a constant signal in and a 1-D
MIS Homework Assignment 2 Solutions
Solutions 2.13
(b)
2 cfw_ (, ; , ) = (, ; , ) 2(+)
(, ; , ) is a periodic signal with periods and in and axes. Therefore it can be written as a
Fourier series expansion. (Please review Oppenheim, Willsky, and Nawad,