《信号与系统 Signals and Systems》课程教学资料（英文版）lecture11 Convolution Property example

Calculating periodic convolutions Suppose we integrate from-丌to丌: Y(eJu 2丌 1(e1)X2(la-=)de 2丌 where (c0),0≤丌 0 otherwise

Calculating Periodic Convolutions

sin(m/4)\2 Example: yn sin(rn/ 4 1|·T 7n Y(c)=X1(e)②X2(e) X(e e X(e/(o-B)i 0H2兀 Y(e jy

Example: