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2008
Conference Paper
Titel
Integration of a wireless lock-in measurement of hip prosthesis vibrations for loosening detection
Abstract
A new solution for the integration of a wireless measurement system intended for the detection of hip prosthesis loosening by vibration analysis is presented. Small vibration amplitudes in the presence of noisy sensor signals of the excited prosthesis are measured with a Lock-In amplifier which is integrated in the prosthesis together with a passive telemetry working at 125 kHz.
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