大气衰减的影响被测电气设备表面红外辐射能量,经大气传输到红外检测仪器,这就会受到大气组合中的水蒸汽、化碳、一氧化碳等气体分子吸收衰减和空气中悬浮微粒散射衰减的影响。设备辐射能量传输的衰减随着检测仪器到被测设备间的距离,会降低被测设备辐射的透过率,所以其衰减是随距离的增大而增加。降低被检设备故障部位与正常部位的辐射对比度,也会因为红外仪器接收到的目标能量减少,使得仪器显示出来的温度低于被测故障点的实际温度值,从而造成漏检或误诊断,尤其对于检测温升较低的设备故障时。

PV032R1K1T1NGLC
PV032R1K4T1NFHS
PV032R1K8S1NFWS
PV032R1K8T1NMMC
PV032R1K1T1WFDS
PV032R1K1AYNMTP
PV032R1K1T1NHCC
PV032R1K1T1WMM1
PV032R1K1AYNMRZ
PV032R1K8T1NFWS
PV032R1K1A4NFTZ
PV032R1K1T1VMMC
PV032R1K1T1NFPV
PV032R1K1A1VFDS
PV032L1E3C1NFWS
PV032R1K1T1NELB
PV032L1K1T1NFWS
PV032R1K1B1NFDS
PV032RAK1T1NF
PV032R1L1B1NFWS
PV032R1K1T1NFPG
PV032R1K1S1NFWS
PV032L1K1T1NMMC
PV032R1K1T1NMRZ
PV032R1K1T1VFDS
PV032R1K1T1N10045
PV032R1K1AYNMT1
PV032R1K8T1N001
PV032R1K1T1NHLC
PV032R1K4T1NFR1
PV032R9K1T1NMMC
PV032R1K1A4VFRZ

PV032R1K1T1NFRZ
PV032R1K1T1NMMK
PV032R1L1T1NMMC
PV032R1K4T1NMR1
PV032R1K1T1WMR1
PV032R9K1T1NMMCK
PV032R1K1T1NE1B
PV032R1K1T1NKLC
PV040R1K8T1NMMC
PV040L1K1T1NFWS
PV040R1K1T1NFRC
PV040R1K1T1NFFP
PV040R1K4T1NMR1
PV040R1K1T1NMR1
PV040R1K1T1NFR1
PV040R1K4T1NMMC
PV040R1K1T1NFDS
PV040R1K1T1NFF1
PV040R1K1T1NMRZ
PV040R1K1AYNMRZ
PV040R1K4T1NFHS
PV040R1K1T1WFDS
PV040R1K8T1VMMC
PV040R1K8T1N001
PV040R9K1T1NMMC
PV040R1K4T1NFR1
PV040R1K1T1N001
PV040R1K8T1NFWS
PV040R1K1T1VFDS
PV040R1K1A4NFRZ
PV040R1K1T1NMRC
PV040R1K1T1NMM1
PV040R1K1T1WMM1
PV040R1K1T1NMRK
PV040R1K1T1NHCC
PV040R1K1T1NMF1
PV040R1K1JHNMMC
PV040L1K1T1NMMC
PV040R1K1S1NFWS
PV040R1L1T1NMMC
PV040R1D8T1N001
PV040R1K1T1NMFC
整流电路测试是教育课程及相关电子行业不可缺少的环节。以下波形由非隔离信号源产生。当使用非隔离信号源时,D1二极管的每一端分别与信号源和示波器的相应地线连接。这种方式会出现等电位短路,因此不能显示负半周整流波形。以下波形由隔离通道信号源产生。隔离信号源的输出信号地线不与示波器共同接地,因此可以模拟整流波形输出。只有隔离的信号源才能显示桥式整流电路的正确波形。为了实现上述实验目标,一些非隔离信号源的用户倾向于断开电源线的接地,从而导致仪器浮地。

PV040R1K1T1NFWS
PV040R1K1T1WFR1
PV040R1K1T1NKLC
PV040R9K1T1NFWS
PV040R1K1T1NFFC
PV040R1K1T1NF
PV040R1K1T1N100
PV040R1K1T1WMR1
PV040R1K1T1NFRZ
PV040R1K1T1WMRC
PV040R1K1T1NMMK
PV040R1K1T1NMMC
PV040R1K1T1VMMC
PV040R1K1T1NFHS
PV040R1K1T1NGLC
PV040R1K1T1NHLC
PV040R1K1T1WMMC
PV040L1L1T1NFWS
PV040R1K1T1NMLC
PV040R1D1T1NGCC
PV040R1K1T1NELA
PV040R9K1T1NMMCK0188
PV046R1K1T1N001
PV046R1K1T1N100
PV046R1K1T1NFDS
PV046R1K1T1NFR1
PV046R1K1T1NFHS
PV046R1K1T1NMMC
PV046R1K1T1NMM1
PV046R1K1T1NMRC
PV046R1K1T1NFWS
PV046R1K1T1NFRC
PV046R1K1T1NFF1
PV046R1D1T1NFWS
PV046R1D3T1NFFC
PV046R1K1A1NF
PV046L1K1A1NFHS
PV046R1K1B1NFDS
PV046R1D1T1NHCC
PV046R1K1T1NFFC
PV046R1K1T1NMFC
PV046R1K1T1NMF1
PV046R9K1T1NMMC

PV046R1K1AYNMRC
PV046R1K1JHNMMC
PV046R9K1T1NFWS
PV046R1K4T1NMR1
PV046R1K4T1NFHS
PV046L1K1T1NFWS
PV046R1K1S1NFWS
PV046R1K1T1WFDS
PV046R1K1T1NMRZ
PV046R1K1T1EMMC
PV046R1K1T1WMMC
PV046R1K1T1NFFP
PV046R1K1A4NFRC
PV046R1K1T1VFDS
PV046R1K8T1NFWS
PV046R1K1T1WMM1
PV046L1K1T1NMMC
PV046R1K8T1VMMC
PV046R1K8T1NMMC
PV046R1K1T1NF
PV046R1K1AYNMRZ
PV046R1K1T1NHLC
PV046R1K1T1NMMK
PV046R1K1T1NKLC
PV046R1K1T1NMR1
PV046R1K1T1NFRZ
PV046R1K1T1WFR1
PV046R1K4T1NFR1
PV046R1K1T1WMR1
PV046R1K1T1NMRK
PV046R1K1T1WMRC
PV046R1K1T1NHCC
PV046R1K1T1VMMC
PV046R1K1T1NGLC
PV046R1L1T1NMMC
PV046R1K8T1N001
PV046R1K4T1NMMC

PV046R1K1T1NMMCX5934
PV063R1K1T1NMF1
PV063R1K1T1NMMC
PV063R1K1T1NMMK
PV063R9L1TNMPCK0
PV063R1K1A1VFPR
PV063R1K1C1NFWS
PV063R2K1T1N001
PV063R9L1T1NFWS
PV063R1K1A1NFHS
PV063R1K1T1NFFP
PV063R1K1T1NFPR
PV063R1K1T1NGLC
PV063R1K1T1N001
PV063R1K1T1N100
PV063R1K1T1NFDS
经过几年的进化,新一代毫米波安检的方向已经更加明朗。早期有些产品用少量的射频单元,机械方式移动扫描。新一代产品则使用固定方式进行测试。得益于工艺进步和计算机运算的飞速发展,仪器内也大量引入新的信号处理技术,人工智能算法等。这些方向保证了系统更加稳定,识别能力更强。图1RSQPS201毫米波快速安检仪近一两年,新仪器的普及进入了快速发展期,世界多个主要城市机场陆续大量启用了新一代毫米波安检仪,包括美国、英国、德国、法国、澳大利亚机场等,从今年启动并估计在未来几年里会大量启用毫米波安检仪。