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🆘 '~n=<Y 激光器扫描区间:1545nm-1555nm ~=/.ZUQNX 激光器扫描速度:50hz/s 也就是说扫描速度为500nm/s G`R_kg9$ 延时光纤:1m v])R6-T- 采集卡速度:2M 9RmdQ]1n4 采样点数:40000 s&D>'J d'!abnF[d
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