matlab程序 大神帮忙看看哪里错了 怎么改 能改出来的还加分! 谢谢!cleart = 0:0.001:0.6;x = sin(2*pi*50*t)+sin(2*pi*120*t);y =[-4.40E-01 -4.20E-01 -4.20E-01 …]fs=5000n=13;Y = fft(y,2^n);Y=abs(Y);Y=log10(Y);f=fs*(0:length
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![matlab程序 大神帮忙看看哪里错了 怎么改 能改出来的还加分! 谢谢!cleart = 0:0.001:0.6;x = sin(2*pi*50*t)+sin(2*pi*120*t);y =[-4.40E-01 -4.20E-01 -4.20E-01 …]fs=5000n=13;Y = fft(y,2^n);Y=abs(Y);Y=log10(Y);f=fs*(0:length](/uploads/image/z/9476999-71-9.jpg?t=matlab%E7%A8%8B%E5%BA%8F+%E5%A4%A7%E7%A5%9E%E5%B8%AE%E5%BF%99%E7%9C%8B%E7%9C%8B%E5%93%AA%E9%87%8C%E9%94%99%E4%BA%86+%E6%80%8E%E4%B9%88%E6%94%B9+%E8%83%BD%E6%94%B9%E5%87%BA%E6%9D%A5%E7%9A%84%E8%BF%98%E5%8A%A0%E5%88%86%21+%E8%B0%A2%E8%B0%A2%21cleart+%3D+0%3A0.001%3A0.6%3Bx+%3D+sin%282%2Api%2A50%2At%29%2Bsin%282%2Api%2A120%2At%29%3By+%3D%5B-4.40E-01+++-4.20E-01+++-4.20E-01+++++%E2%80%A6%5Dfs%3D5000n%3D13%3BY+%3D+fft%28y%2C2%5En%29%3BY%3Dabs%28Y%29%3BY%3Dlog10%28Y%29%3Bf%3Dfs%2A%280%3Alength)
matlab程序 大神帮忙看看哪里错了 怎么改 能改出来的还加分! 谢谢!cleart = 0:0.001:0.6;x = sin(2*pi*50*t)+sin(2*pi*120*t);y =[-4.40E-01 -4.20E-01 -4.20E-01 …]fs=5000n=13;Y = fft(y,2^n);Y=abs(Y);Y=log10(Y);f=fs*(0:length
matlab程序 大神帮忙看看哪里错了 怎么改 能改出来的还加分! 谢谢!
clear
t = 0:0.001:0.6;
x = sin(2*pi*50*t)+sin(2*pi*120*t);
y =[-4.40E-01
-4.20E-01
-4.20E-01
…]
fs=5000
n=13;
Y = fft(y,2^n);
Y=abs(Y);
Y=log10(Y);
f=fs*(0:length(Y)/2-1)/length(Y);
plot(f,Y(1:2^(n-1)))
title('Frequency content of y')
xlabel('frequency (Hz)')
xlim([0 100]);
matlab程序 大神帮忙看看哪里错了 怎么改 能改出来的还加分! 谢谢!cleart = 0:0.001:0.6;x = sin(2*pi*50*t)+sin(2*pi*120*t);y =[-4.40E-01 -4.20E-01 -4.20E-01 …]fs=5000n=13;Y = fft(y,2^n);Y=abs(Y);Y=log10(Y);f=fs*(0:length
你程序中的“…”是中文输入法下的符号,删除后就可以了.“...”是续行符,如果要使用可以改为英文输入法下的三个点,放在“]”的上一行.