机载电子设备屏蔽效能测试与优化

doi:10.7527/S1000-6893.2020.23538

Abstract

Abstract: With the development of aviation industry, High Intensity Radiation Field (HIRF) has more and more influence on airborne electronic equipment. Therefore, it is of great significance to test and optimize the shielding effectiveness of airborne electronic equipment. In this paper, the test environment of HIRF was established based on RTCA/DO-160G and GJB 5185-2003. The shielding effectiveness of airborne electronic equipment is tested under the electromagnetic environment, and the effects of different test positions and different incident surfaces on the shielding effectiveness were analyzed. The main coupling channel of airborne communication equipment is obtained. Finally, a general optimization method for different coupling channels is proposed. The results can provide references for the test of airborne electronic equipment HIRF and the optimization of shielding body.

Key words: airborne electronic equipment, high-intensity radiated fields, shield effectiveness, electromagnetic coupling, shield optimization

CLC Number:

MA Zhenyang, ZUO Jing, SHI Chunlei, FENG Jiacheng, LIU Xuhong. Test and optimization of shield effectiveness for airborne electronic equipment[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2020, 41(7): 323538-323538.

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Test and optimization of shield effectiveness for airborne electronic equipment

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