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Showing 1 to 2 of 2 for “"Brune Impedance"”.
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Analysis and measurement of anti-reciprocal systems
… two-port parameters as well as the electrical impedance Ze(s), acoustic impedance Za(s), and electroacoustic transduction coefficient Ta(s) are calculated using transmission and impedance matrix methods. The model has been verified with electrical input impedance, diaphragm velocity in vacuo, …
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The limits of Brune's impedance
"The impedance concept as popularized by Oliver Heaviside in the 1880s may be used to model physical systems that may or may not include wave propagation. Otto Brune in 1931 coined the term and then provided a proof that ``positive real"" is a necessary and sufficient condition for network …