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Source Isolation Measurements in a Multi-Source Coupled System

  • Abhishek Patnaik
  • , Guangyao Shen
  • , David Pommerenke
  • , Martin Boettcher
  • , Herman Aichele
  • , Christoph Keller
  • , Victor Khilkevich
  • Missouri University of Science and Technology

Research output: Contribution to journal › Article › peer-review

Abstract

An electronic system will commonly have multiple emission (or noise) sources, some of which are correlated while others are un-correlated. Measuring the contribution to a node voltage or branch current by an individual source with high accuracy in such a multi source inter-coupled system is a fundamental problem. The problem is further amplified when the signal processing following the measurements is highly sensitive to the error in the measured parameters. This article describes a filtering method which can isolate the measured parameter (voltage or current) of the contribution of other such sources while preserving the phase and magnitude associated with the source under consideration.

Keywords

  • Adaptive Noise Cancellation
  • Black box model
  • EMI
  • Terminal modelling
  • selective source filtering

Disciplines

  • Electrical and Computer Engineering

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