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🆘 OBQ!0NM_b 激光器扫描区间:1545nm-1555nm Vho0f<`E 激光器扫描速度:50hz/s 也就是说扫描速度为500nm/s (kOv 延时光纤:1m 6dp_R2zH~o 采集卡速度:2M "*\3.`Kd 采样点数:40000 7/!C 1A.\Ao
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