A pulse wave is produced by intermittent left ventricular ejection, propagates from the centre to the periphery along the arterial tree, and can be reflected at the points of impedance mismatch.
This is partly why the issue of "impedance mismatch" appears so important to a lot of OO people.
The relatively low sensitivity improvement obtained with this preamp could be due to impedance mismatching on the input stage.
Ultimately, the 'impedance mismatch' problem between our technology interfaces and human users will be decided more by the users than the technologists.
Provided is a flexible wiring board, which reduces an impedance mismatch even if three-dimensionally folded, so that it can realize a reduction in a transmission loss.
This problem is so persistent (no pun intended) that it even has its own catchphrase: the object-relational impedance mismatch (see Resources).
Influence of impedance mismatch of channel equipment on the ranging system
This creates an impedance mismatch that must be tested for.
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