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
仪器仪表使用过程中*担心的问题是什么？莫过于仪器故障，如同大家在电脑前奋力工作，电脑突然死机黑屏，辛苦白费，全部重来…仪器故障也是如此，使用过程中出现故障，不仅耽误使用，而且延误时间。近几个月以来，东方中科技术服务部陆续收到多台数字万用表6514出现故障。针对客户送修的故障现象，我们进行了整理结，发现主要故障有两点，如下：故障一6514的COMM口与电脑通讯异常，底噪不断上升，但6514面板显示正常。
PV023R1K1T1NECC
PV023R1K1T1NELC
PV023R1K1T1NEL1
PV023R1K1T1NGCC
PV023R1K1T1NGLC
PV023R1K1T1NGL1
PV023R1K1T1NMFC
PV023R1K1T1NMFW
PV023R1K1T1NMF1
PV023R1K1T1NMMD
PV023R1K1T1NMMW
PV023R1K1T1NMRD
PV023R1K1T1NMR1
PV023R1K1T1NUPD
PV023R1K1T1NUPE
PV023R1K1T1NMMK
PV023R1K1AYNMRZ
PV023R1K1T1WFR1
在类内识别方面，HOKC等人[1]使用小波变换方法*识别出了BPSK和4PSK信号；POLYDOROSA和KIMK[2]提出了似然比调制识别器，它*地识别了BPSK和QPSK信号。在类间识别方面，KANNANR和RIDS[3]使用离散小波变换*识别出DPSK、PSK和MSK；HAZZAA[4]等人提出基于特征的方法*识别出FSK、ASK、PSK、QAM等信号，但是所设计的识别器计算量比较大。
