FIELD: measurement engineering; electrochemistry.
SUBSTANCE: method can be used for measurement and inspection of parameters when carrying different engineering process out, which processes are based onto excitation of high-voltage micro plasma discharges in solutions at pulse mode of operation. Electric parameter of high-current pulse processes are measured in solutions, which processes take part at phase border. At least polarization voltage and current are measured at parts corresponding to pulse fronts by means of computer measurement system. The system has computer connected in series with analog-to-digital converter. The latter has at least two output channels for measurement of current parameters and polarization voltage. To improve precision of measurement of signal front parameters, the system additionally has unit for biasing amplification of signal for amplitude, for example, electronic lens, which has output connected with one of inputs of analog-to-digital converter. A change in active and capacitive components of current, which goes through inspected phase border, is provided.
EFFECT: improved precision of measurement.
22 cl, 11 dwg
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Authors
Dates
2006-09-27—Published
2004-04-26—Filed