| Citation: | PEI Zhao, SU Donglin, SHI Guochang, et al. Testing methods of statistical uniform electric field in non-enclosed aircraft cabin[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(11): 2416-2422. doi: 10.13700/j.bh.1001-5965.2018.0081(in Chinese)
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Low level swept field (LLSF) testing is an important part of aircraft-level high intensity radiated field (HIRF) effect measurements. The simulation model and experimental systems of LLSF effect for cuboid-shaped cabin with mechanical mode stirrer placed internally were established. Encouraging numerical and experimental results validated the possibility of statistical uniformity characteristic inside the non-enclosed cabin, which is illuminated by LLSF, with the help of mode stirrer. Then, the simulation models of non-closed cuboid-shaped cabin, as well as the cylindrical cabin were considered. The searching and testing method is proposed based on the traversal and recursive algorithm. The frequency-dependent regions of uniform electric field inside cabins were obtained by using the proposed valid test method. The objective is to provide an important guidance for limiting the regions of receiving probes or antennas in practical LLSF measurements.
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