测量不锈钢电化学噪声的非对称表面方法

刘微

Asymmetric Surface Configuration for Electrochemical Noise Measurement on Stainless Steel

LIU Wei

图3 图2所示ECN信号经小波分析得到的部分信号标准偏差(SDPS)最大值对应的晶体序号，及相应的SDPS值

Fig.3 Crystal number corresponding to the max SDPS value (a), and the calculated max SDPS value (b) in each hour by the wavelet analysis on the ECN signals in Fig.2, where three lines a, b and c represent different values of passivation-passivation, polishing-polishing and polishing-passivation electrode pair respectively