Title: A Transfer Function Method to Calculate Radiation of Sources With Stochastic Signals
Authors: Engeln, Alexander
Rathjen, Kai-Uwe 
Pahl, Arne 
Dickmann, Stefan 
Language: eng
Keywords: Multiport network theory;dtec.bw;Radiation measurement
Issue Date: 1-Aug-2022
Document Type: Article
Project: Elektromagnetische Störfestigkeit autonomer Systeme 
Journal / Series / Working Paper (HSU): IEEE Transactions on Electromagnetic Compatibility
Page Start: 1140
Page End: 1146
Standardized radiation measurements can be simulated by various numerical or analytical approaches. In this article, a transfer function method is proposed for a fast and accurate antenna voltage prediction. Assuming that the interference source can be characterized as a linear Norton equivalent current source, its internal admittances and source currents are determined from measurements made with a vector network analyzer and an oscilloscope. The setup of the radiation measurement is described as a transfer function using its scattering parameters. A system of equations is set up with the multiport theory and solved for the antenna voltage, which is fed into a spectrum analyzer model. The result is compared to a measurement in a fully anechoic chamber. The method is extended to interference sources with stochastic signals, and, in the course of this, an approach for the estimation of the radiation measurement is developed. A dc motor is used as an application example.
Organization Units (connected with the publication): DTEC.bw 
Grundlagen der Elektrotechnik 
ISSN: 00189375
Publisher DOI: 10.1109/TEMC.2022.3156440
Appears in Collections:Publications of the HSU Researchers

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