Original English dissertation · scientific equations reproduced directly from the source PDF.

3.3 Ultrasonic techniques

Figure 3.7: Basic principle of an ultrasonic cell.

receiver3as a mathematical series:

This series convergences for rR ·rT < 1. With pT(0,t) = p0 ·eiωt this yields:

Finally, the transfer function T(f) results as proportionality:

Its absolute value is:

with:

3index R denotes the receiver and index T the transducer

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