8.1 Introduction 986 What is convolution 00 y(n)=x(n)*h(n)=>x(k)h(n-k) k=-00 x(k) ↑x(k) ↑x(k) x(k) h(0-k) h(1-k) h(2-k) h(6-k) 0 y(n) Multiplication Shift n ■Accumulation 2021年2月 22021年2月 2 k k 0 0 x(k) h(0-k) k k 0 0 x(k) h(1-k) k k 0 0 x(k) h(2-k) k k 0 0 x(k) h(6-k) n y(n) 0 …… 8.1 Introduction Multiplication Shift Accumulation What is convolution ? k y(n) x(n)*h(n) x(k)h(n k)