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References in periodicals archive ?
This robust, repeatable battery impedance tester comes with on-board pass, warning and fail indicators.
The resulting impedance plot is shown in pink in Figure 2.
This observational study evaluated the effect of CAD severity, distribution and EF on acute ventricular pacing threshold and lead impedance at the time of pacemaker implantation with retrospective analysis of patient charts.
Scully and coworkers (12), (13) have studied EIS of coated steel substrates and demonstrated that certain impedance parameters measured after several weeks of exposure correlated well with the coating performance after a year.
The investigators used a drop in intrathoracic impedance as a surrogate for identifying presymptomatic, treatable fluid build-up.
As noted earlier, the dry electrode method is the typical one for impedance spectroscopy in which electrochemical effects are not critical.
Impedance control strategies intend to encompass the traditional positioning tasks performed by robots, including the capability to handle static and dynamic interactions between the manipulator and its environment.
The measured impedance spectrum includes all effects, such as connecting cables and contact double layers, and parasitic effects.
As another example of the value of lines of constant impedance, consider the design of a symmetrical stripline differential pair.
The "complex" or "imaginary" number (j) is a mathematical way of expressing and manipulating the impedance vector.
Lukaski (2000) has reported that R represents more than 98% of the measured impedance of the body.
To minimize impedance and crosstalk, many cables incorporate additional shielding ground drain lines which function similarly to the 40 interspersed ground lines in the 80-pin Ultra ATA cable.