Signal analysis and synthesis as applied to electrochemical noise in corrosion

This paper describes the synthesis of electrochemical noise measurements. The procedure can be used to simulate a non-stationary corrosion process where the properties of the system are variable. The possibilities include simulating a drift in the equilibrium potential of one electrode or the sudden change of the diffusion current limit associated with a change in the convection of a corrosive solution. The synthetic data may be used to test the performance of electrochemical noise analysis algorithms prior to application to experimental data. The characteristics of the electrochemical current noise are investigated and shown to be approximately proportional to the quiescent current and the conductance of the reaction.