为什么拍频信号的频谱看不见？
求助，为什么看不见拍频信号的频谱🆘 a/g r1
激光器扫描区间:1545nm-1555nm r}|a*dh'R
激光器扫描速度：50hz/s 也就是说扫描速度为500nm/s XS ktb k
延时光纤：1m "vo
o!&<
采集卡速度:2M 0F %V+Y\R
采样点数:40000 yC9~X='D
%5 Zhq >
[attachment=133406] nq*D91Q
q j *77
[attachment=133407] 3|vZ `}
WjF#YW\
[attachment=133408] tREC)+*\
r~; TId} #
[attachment=133409] %!V = noo
?dQ#%06mn
[attachment=133410] O/lu0acI
RO.bh#A$
[attachment=133411] N3|aNQ=X0
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