PV016R1K1AYN100
PV016R1K1T1NMMC
PV016R1L1T1NFDS
PV016R1K1T1NELB
PV016R1K1T1NECC
PV016R1K1T1NFFD
PV016R1K1T1NFRC
PV016R1K1T1N001
PV016R1K1T1N100
PV016R1K1T1NFDS
PV016R1K1T1NFR1
PV016R1K1T1NFHS
PV016R1K1T1NMM1
PV016R1K1T1NMRC
PV016R1K1T1NFWS
PV016R1K1T1NFF1
PV020R1K1T1N001
PV020R1K1T1N100
PV020R1K1T1NFDS
PV020R1K1T1NFR1
PV020R1K1T1NFHS
PV020R1K1T1NMMC
PV020R1K1T1NMM1
PV020R1K1T1NMRC
PV020R1K1T1NFWS
PV020R1K1T1NFRC
PV020R1K1T1NFF1
PV020R1K1T1NHLC
PV020R1K1T1WMM1
PV020R1K1T1NBLC
PV020R1K1T1NFRL
PV020L1K1T1NFWS
PV020R1K4T1NFR1
PV020R1K1AYNMMC
PV020R1K8T1VMMC
PV020R1K1T1NMR1
PV020R1K1T1NFRZ
PV020R1K4T1NFHS
PV020R1K1A1NMMC
PV020R1K1T1NMMK
PV020R1K1T1NKLC
PV020R1K1T1NMF1
PV020R1K1T1WFDS
PV020R1K1T1WFR1
PV020R1K1T1WMMC
PV020R1K1T1NMRZ
PV020R1K1T1WMRC
PV020R1K1T1NF
PV020R1K1T1NFFP
PV020R1K1JHNMMC
PV020R1K8T1NFWS
PV020R1K1AYNMRZ
PV020R1K1T1VMMC
PV020R1K1T1WMR1
PV020R1K4T1NMR1
PV020R1K1T1NHCC
PV020R9K1T1NMMC
PV020R1K8T1NMMC
PV020R1K8T1N001
PV020R1K1T1NFFC
PV020R1K4T1NMMC
PV020R1L1T1NMMC
PV020L1K1T1NMMC
PV020R1K1S1NFWS
PV020R1K1T1NGLC
PV020R1K1T1NMRK
PV020R1K1T1VFDS
PV023R1K1T1N001
PV023R1K1T1N100
PV023R1K1T1NFDS
PV023R1K1T1NFR1
PV023R1K1T1NFHS
PV023R1K1T1NMMC
PV023R1K1T1NMM1
PV023R1K1T1NMRC
PV023R1K1T1NFWS
PV023R1K1T1NFRC
PV023R1D1T1NMMC
PV023R1D1T1NUPR
PV023R1D3T1NMMW
PV023R1E1T1NMFC
PV023R1E1T1NUPR
PV023R1K1AYNMMC
PV023R1K1AYNMMD
PV023R1K1AYNMMW
PV023R1K1AYNMRC
PV023R1K1AYNMR1
PV023R1K1A1NECC
PV023R1K1T1NCCC
PV023R1K1T1NCLC
PV023R1K1T1NDCC
PV023R1K1T1NDCD
PV023R1K1T1NDLC
PV023R1K1T1NDLD
PV023R1K1T1NDL1
PV023R1E1T1NGLC
PV023R1K8T1VFHS
PV023R1K1A1NFWS
PV023R1L1T1NFRC
PV023R1L1T1NCLC
PV023R1K1T1NBCC
PV023R1K1T1NF
otdr的测量原理光脉冲发生器产生的脉冲驱动半导体激光器而发出的测试光脉冲进入光纤沿途返回到入射端的光。就其物理原因包括两种：一种是由于光纤折射率的不匹配或不连续性而产生的菲涅尔反射；另一种是由于光纤芯折射率，微观的不均匀而引起的瑞利散射。瑞利散射光的强弱与通过该处的光功率成正比。而菲涅尔反射又与光纤的衰耗有直接关系，其强弱也就反映了光纤各点的衰耗大小。由于散射是向四面八方的，因此这些反射光有一部分传输到输入端。
PV023R1K1T1NECC
PV023R1K1T1NELC
PV023R1K1T1NEL1
PV023R1K1T1NGCC
PV023R1K1T1NGLC
PV023R1K1T1NGL1
PV023R1K1T1NMFC
PV023R1K1T1NMFW
PV023R1K1T1NMF1
PV023R1K1T1NMMD
PV023R1K1T1NMMW
PV023R1K1T1NMRD
PV023R1K1T1NMR1
PV023R1K1T1NUPD
PV023R1K1T1NUPE
PV023R1K1T1NMMK
PV023R1K1AYNMRZ
PV023R1K1T1WFR1
如下所示，是ZDS224示波器在设置归一化截止频率为.8的低通巴特沃斯滤波器的幅频响应曲线：低通滤波器的幅频响应曲线自动测量功能。不仅可以测量通道源的波形，还可以测量经过数学运算或者数字滤波后的波形。ZDS2系列示波器标配的“真正意义”的参数测量统计会把屏幕上捕获的所有波形进行测量统计，得出当前值、值、值和平均值、标准差、测量次数。用户通过观察统计值和值可快速了解波形中可能存在的异常，通过观察平均值、标准差可快速评估信号特性。
