Z反变换 %利用符号运算实现几个信号的Z反变换 clear syms zna n wo X1-Z/z-1); Xl-iztrans(X1) X2=3*z~-1(2-5*2^-1+2*2^-2),x2= trans(X2) X3-=/z-a) x3=iztrans(X3) X4 =Z/((Z-1)2); x4=iztrans(X4) X5=z/(2*2^2-3*z+1)x5= trans(X5)Z反变换 • ％利用符号运算实现几个信号的Z反变换 • clc • clear • syms z n a N w0 • X1=z/(z-1);X1=iztrans(X1) • X2=-3*z^-1/(2-5*z^-1+2*z^-2);,x2=iztrans(X2) • X3=z/(z-a);x3=iztrans(X3) • X4=z/((z-1)^2);x4=iztrans(X4) • X5=z/(2*z^2-3*z+1);x5=iztrans(X5)