質問編集履歴
1
少しソースコードを変更しました
title
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File without changes
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body
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@@ -13,14 +13,12 @@
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13
13
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14
14
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Fs = 1000; % Sampling frequency
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T = 1/Fs; % Sampling period
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16
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L = num; % Length of signal
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17
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-
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18
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-
Y = fft(X);
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16
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+
Y = fft(X,num);
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19
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-
p2 = abs(Y/
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+
p2 = abs(Y/num);
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20
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p1 = p2(1:
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+
p1 = p2(1:num/2+1);
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p1(2:end-1) = 2*p1(2:end-1);
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-
f = Fs*(0:(
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+
f = Fs*(0:(num/2))/num;
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plot(f,p1);
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