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This paper addresses the assessment of the performance and efficiency of magnetostrictive harvesters. A suitable test rig is presented, and its characteristics are discussed. Moreover, this work illustrates the harvester parameters able to influence the measurement results. The setup measures the electromechanical energy conversion properties of harvesters, with a relative expanded uncertainty in...
The correlation method is used in Johnson noise thermometry to reject noise added by the amplifiers employed. The rejection is not perfect and a systematic error in the temperature reading appears. A method to estimate such error, based on mixed analytical-numerical simulation of sensor and amplifiers, is outlined and applied to compare two different amplifiers designed for the INRIM Johnson noise...
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