sc56611

DATASSEGMENT datadb50,?,50dup(?);此处输入数据段代码 message1db'inputsomenumbers:$' message2db'sortok:$' message3db13,10,'$' DATASENDS STACKSSEGMENT stack1db200

谱图f=15000*(0:1023)/1024;subplot(2,2,1);plot(f,mag_x),title('输入信号频谱图');Y=fft(y,1024);mag_y=abs(Y);f=15000*(0:1023)/1024;subplot(2,2,2);%绘制输出信号频谱图plot(f