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光电侦察平台电磁屏蔽设计
引用本文:李永刚,孙丽娜,张葆,李明. 光电侦察平台电磁屏蔽设计[J]. 红外与激光工程, 2013, 42(8): 2045-2049
作者姓名:李永刚  孙丽娜  张葆  李明
作者单位:1.中国科学院航空光学成像与测量重点实验室 中国科学院长春光学精密机械与物理研究所,吉林 长春 130033;
基金项目:国家“863”计划(2008AA121803);国家重点基础研究发展计划
摘    要:为了使光电侦察平台满足现代战场复杂的电磁环境要求,对某型光电侦察平台进行了电磁屏蔽设计。电磁屏蔽技术是抑制辐射干扰、提高系统电磁兼容性的最有效手段之一。分析了光电侦察平台在进行电磁屏蔽时的技术难点,根据其特有的技术难点,提出了一些实际可行的解决措施。对改进后的光电侦察平台进行了电场辐射发射(RE102)试验测试。测试结果表明经过合理的电磁屏蔽处理,可使光电侦察平台电场辐射发射值降低约10 dBV/m,提高了光电侦察平台的电磁兼容性。综合采取屏蔽、接地及滤波等技术手段,可使光电侦察平台的电磁兼容性满足GJB151A-1997中的规定。

关 键 词:电磁兼容   屏蔽   光电侦察平台   电磁干扰
收稿时间:2012-12-15

Design of electromagnetic shielding for electro-optic reconnaissance platform
Li Yonggang , Sun Lina , Zhang Bao , Li Ming. Design of electromagnetic shielding for electro-optic reconnaissance platform[J]. Infrared and Laser Engineering, 2013, 42(8): 2045-2049
Authors:Li Yonggang    Sun Lina    Zhang Bao    Li Ming
Affiliation:1.Key Laboratory of Airborne Optical Imaging and Measurement,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;2.University of Chinese Academy of Sciences,Beijing 100049,China
Abstract:In order to satisfy complicated electromagnetic environment, electromagnetic shielding for electro-optic reconnaissance platform was designed specially. Shielding is one of the most effective methods for inhibiting radicalization interference and improving electromagnetic compatibility(EMC) of the system. Shielding difficult points of electro-optics reconnaissance platform was analyzed in detail, and the resultful measures were taken to solve the problem of radicalization interference for electro-optics reconnaissance platform. Radiated emission(RE102) tests were made to prove the effects of the improved reconnaissance electro-optics platform. Test results show that the degree of RE102 can be reduced about 10 dBV/m, and the EMC of electro-optics reconnaissance platform is improved. Through the combination of analyses and calculations by shielding, grounding and filtering, the EMC of electro-optics reconnaissance platform can satisfy the requirements of standard GJB 151A-1997.
Keywords:electromagnetic compatibility(EMC)  shielding  electro-optic reconnaissance platform  electromagnetic interference
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