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直接电流注入与自由场照射之间等价性的评估
引用本文:徐加征,蒋全兴,王巍.直接电流注入与自由场照射之间等价性的评估[J].宇航学报,2006,27(2):268-271,275.
作者姓名:徐加征  蒋全兴  王巍
作者单位:东南大学电磁兼容研究室,南京,210096
摘    要:介绍了直接电流注入技术在导弹EMC测试中的研究与实践.这项研究主要有两个方面,一个方面是直接电流注入,其中导弹作为同轴传输线的内导体,激励直接注入到导弹壳体上;另一方面是导弹的自由场照射.文中通过理论计算与试验测试,对直接电流注入和自由场照射之间的等价行进行了评估.400MHz以下,DCI技术和自由场照射之间有很好的相关性.提供了高场强安全裕度测试工具的一个替代技术:直接电流注入技术.

关 键 词:直接电流注入  高场强辐射场  时域有限差分法  导弹  电磁兼容测试
文章编号:1000-1328(2006)02-0268-04
收稿时间:2005-02-01
修稿时间:2005-02-012005-06-01

The Equivalence Between Radiated Electromagnetic Fields and Direct Current Injection
XU Jia-zheng,JIANG Quan-xing,WANG Wei.The Equivalence Between Radiated Electromagnetic Fields and Direct Current Injection[J].Journal of Astronautics,2006,27(2):268-271,275.
Authors:XU Jia-zheng  JIANG Quan-xing  WANG Wei
Institution:EMC Lab, Southeast University, Nanjing 210096, China
Abstract:This paper described a study carried out within EMC Lab Southeast for Current Injection techniques used in a missile's EMC-testing.Two ideas were given in this paper: Direct Current Injection,in which the missile was the centre conductor of a coaxial transmission line,and radiated electromagnetic field driven by a plan wave.Direct Current Injection as a substitute for direct illumination of the missile in free space was assessed on the basis of results.Under 400MHz,the direct current injection technique can be used.Direct current injection technique as a subsitute of high intensity radiated field test can be applied to EMC test.
Keywords:DCI  High intensity radiated field  FDTD method  Missile  EMC-testing
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