《信号与系统 Signals and Systems》课程教学资料（英文版）lecture 10 DT Fourier transform pair

Still more 4)DT Rectangular pulse (Drawn for N=2) ●●●●b●●●●●●鲁●●●●●● ●鲁●●●●●●●●●●●●●●●鲁 N10N x(1)=∑c=∑(c)n=-m(M+2)=x(2(2) sin(w 2 N 52N+1

Still More 4) DT Rectangular pulse (Drawn for N1 = 2)

X(el 2 wo w 2 sinw a00| 2丌 W 2丌 x[n] T ●。。·°d , ●QQ●● ● 0

5)