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Study by simulation and measure of a system of exhibition of animals in the radio waves led by the Wi-Fi systems

Abstract : This thesis dedicates to design and analysis for the animal in vivo Wi-Fi exposure system by reverberation chamber. 6 random functioned antennas are deployed in the reverberation chamber to radiate the rats with homogenous field and Omni-direction waves. So, there is no significant size stirrer in the system. Power absorption by rats is studied by the simulation-measurement hybrid method. In this method, by measurement, incident power and the mean squared E in the system are recorded. The ratio these factors are obtained. For simulation, FDTD is chosen to analyse the power absorption by the rats. E distribution in reverberation chamber is proved as Rayleigh statistics by studies and measurements. One Huygens box is constructed to radiate the rats. There is no need to realise the wall, the antennas and the accessories of the system. So the whole body averaged SAR can be obtained with the mean squared E in the chamber. Then whole body averaged SAR is linked with the incident power. One other method has also been applied to verify the results. Evaluation of the result variability depending on different parameters of rats with different ages is performed. The variability comes from simulation, measurement and interface between these two parts. Whole body averaged SAR with the variability domain on function of the rat's age is presented in this thesis. This work can be used to evaluate the long term animal exposition. It can also serve to characterise the field in modern domestic and urban environments
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Submitted on : Monday, August 30, 2010 - 9:21:13 AM
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  • HAL Id : tel-00512334, version 1



Tongning Wu. Study by simulation and measure of a system of exhibition of animals in the radio waves led by the Wi-Fi systems. Other. Université Paris-Est, 2009. English. ⟨NNT : 2009PEST1018⟩. ⟨tel-00512334⟩



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