求Matlab的运行结果,谢谢大家了!

求Matlab的运行结果,谢谢大家了!Dt=0.00005;t=-0.005:Dt:0.005; xa=exp(-1000*abs(t)); Ts=0.0002;n=-25:1:25; x=exp(-1000*abs(n*Ts));K=500;k=0:1:K; w=pi*k/K; X=x*exp(-j*n'*w); X=real(X); w=[-fliplr(w),w(2:K+1)]; X=[fliplr(X),X(2:K+1)]; figure(1);subplot(2,1,1);plot(t*1000,xa);xlabel('t in msec.');ylabel('x_1'); title('Discrete Signal (Fs=5000Hz)');hold on;stem(n*Ts*1000,x);hold off;axis([-5 5 0 1]);subplot(2,1,2);plot(w/pi,X);xlabel('Freq. in \pi rads');ylabel('X_1(e^j^\omega)'); title('Discrete-time Fourier Transform (Fs=5000Hz)');Ts=0.001;n=-5:1:5; x=exp(-1000*abs(n*Ts));K=500;k=0:1:K;w=pi*k/K;X=x*exp(-j*n'*w);X=real(X);w=[-fliplr(w),w(2:K+1)];X=[fliplr(X),X(2:K+1)];figure(2);subplot(2,1,1);plot(t*1000,xa);xlabel('t in msec.');ylabel('x_2');title('Discrete Signal (Fs=1000Hz)');hold on;stem(n*Ts*1000,x);hold off;axis([-5 5 0 1]); subplot(2,1,2);plot(w/pi,X);xlabel('Freq. in \pi rads');ylabel('X_2(e^j^\omega)');title('Discrete-time Fourier Transform (Fs=1000Hz)');我要运行后得到的两张图片.在线等啊~~