f2.m

来自「简单的信号处理」· M 代码 · 共 15 行

delete(AI)
clear AI

[f,mag] = daqdocfft(data,Fs,blocksize);

plot(f,mag)
grid on 
ylabel('Magnitude (dB)')
xlabel('Frequency (Hz)')
title('Frequency Components of Tuning Fork')

plot(data)