Implementation of a simulated model for the evaluation of electromagnetic disturbances in anechoic chamber

Arsalane, Sara; Arsalane, Nabil; Rifi, Mounir; Bouassam, Hamid

doi:10.1109/syscobiots48768.2019.9028030

Cited by 2 publications

(1 citation statement)

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“…For example, Kopiev et al designed an anechoic chamber for the aeroacoustic experiments and presented its acoustic parameters [39]. Arsalane et al developed a model of measurement test bed based on anechoic chamber to study the influence of radiated electromagnetic disturbances in case of emissivity [40]. Price and Wansack conducted the noise experiment with the sound pressure level of 150 dB in the anechoic chamber [41].…”

Section: Acoustic Test Methodsmentioning

confidence: 99%

A Review on the High Sound Pressure Level Acoustic Measurement in the Aerospace Field

Chen

Qin

et al. 2023

Journal of Sensors

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Noise could occur anywhere in the aerospace and other fields and has a great influence on the operation of the aircraft. The control of the sound emission has attracted a lot of attention from the economic and environmental aspects. Firstly, the noise is annoying for the passengers and pilot and may increase the risk to be exposed for the military applications. Secondly, the sound emission may pose a great damage and threat to the engine equipment due to the strong pressure oscillation. In addition, the combustion noise may also have a great influence on the combustion process in the engine, which may lead to the emission increase and low-efficiency operation. The noise emission measurement is necessary and very important for the research in aerospace field. The aircraft in aerospace field usually works in the extreme environment, and the noise emission is within a high sound pressure level, which is quite from the acoustic measurement in other fields. Thus, we give a short review to introduce the high sound pressure level acoustic measurement in the aerospace field.

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Section: Acoustic Test Methodsmentioning

confidence: 99%

A Review on the High Sound Pressure Level Acoustic Measurement in the Aerospace Field

Chen

Qin

et al. 2023

Journal of Sensors

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Automatic Segmentation of Nonstationary EM Emission of Electronics Product

et al. 2022

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Characterizing complex and multi-functional devices is a very challenging task. One problem in statistical near field analysis on complex electronic products is the emergence of nonstationary electromagnetic (EM) signals. Such emergence will lead to an incorrect decision if the signal is used as an input to propagation analysis. The most appropriate approach to this problem seems to be one based on the segmentation of the nonstationary time series obtained from measurements into an ensemble of piecewise stationary signals. In this paper, we propose three approaches for automatic segmentation of nonstationary EM emission signals: short-time energy (STE), short-time zero-crossing rate (STZCR), and short-time kurtosis (STK). Test results show that STE is the best in terms of success in segmenting the nonstationary signals to achieve piecewise stationary time series and being less computationally intensive.

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Implementation of a simulated model for the evaluation of electromagnetic disturbances in anechoic chamber

Cited by 2 publications

References 0 publications

A Review on the High Sound Pressure Level Acoustic Measurement in the Aerospace Field

A Review on the High Sound Pressure Level Acoustic Measurement in the Aerospace Field

Automatic Segmentation of Nonstationary EM Emission of Electronics Product

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