Marvin, Andy orcid.org/0000-0003-2590-5335 and Bale, Simon Jonathan (2022) Thermal Noise Measurements in a Reverberation Chamber. IEEE Transactions on Electromagnetic Compatibility. pp. 893-896. ISSN 0018-9375
Abstract
Two models describing properties of the thermal noise power emerging from an antenna mounted in a reverberation chamber are described. The first compares the reverberation chamber to an over-moded cavity acting as a black-body source; the second describes the noise in terms of the antenna noise temperature. Measurements based on the antenna noise temperature model show the noise power to be dependent on the position of the rotating mechanical stirrer. The correlation of the antenna noise temperature with the stirrer position dependent antenna mis-match factor is shown. When a signal is injected into the chamber measurements of the signal to noise power ratio show that this ratio is dependent on the stirrer position and also the position of the signal source within the chamber. These results have significant consequences for the detection of weak signals from radiating sources in a reverberation chamber.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2022 IEEE. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details |
Keywords: | reverberation chamber,antenna noise temperature,signal-to-noise ratio |
Dates: |
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Institution: | The University of York |
Academic Units: | The University of York > Faculty of Sciences (York) > Electronic Engineering (York) |
Depositing User: | Pure (York) |
Date Deposited: | 31 Mar 2022 10:50 |
Last Modified: | 02 Apr 2025 23:23 |
Published Version: | https://doi.org/10.1109/TEMC.2022.3142937 |
Status: | Published |
Refereed: | Yes |
Identification Number: | 10.1109/TEMC.2022.3142937 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:185307 |