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Analysis of HIRF Effects in Aircrafts

机译：飞机血频效应分析

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摘要

In the past, civil aircraft were assessed for electromagnetic compatibility in terms of the ability of onboard systems to coexist without incompatibility problems. However with the advent of electronics into safety critical systems on a new generation of civil aircraft, the aviation authorities became concerned about the potential interference effects of High Interference Radiated Fields (HIRF). The HIRF is generated by emission groups located in aircrafts, airports, ship/boat, such as antennas, radar, navigation/communications instruments, transmitters, among others. The results of interaction of the external electromagnetic fields with aircraft structure and electric-electronic systems herein installed can generate a high intensity of voltage and current transients, occasioning hazard to electronic equipments and operational reliability. Actually, the necessity in the analysis of HIRF effects in aircrafts are related, principally, to increase of composite materials employed in structural parts of aircraft (promote reduction of HIRF protection) and large quantity of electric-electronics equipments utilized (increase of susceptibility on electromagnetic fields). Therefore, the purpose of this work is to study and analyze the HIRF effects in aircrafts and, consequently, possible HIRF protections employed.
机译：在过去，民用飞机在机载系统的不兼容问题共存的能力方面进行了评估电磁兼容性。然而，随着电子产品的出现，为安全关键系统的新一代民用飞机，航空当局开始担心高干扰辐射场（HIRF）的潜在干扰的影响。的HIRF是由位于飞机，机场，船/船发射组，如天线，雷达，导航/通讯仪器，发射器，等等产生的。与本文中所安装的可生成的电压和电流瞬变，引致危害到电子设备和操作可靠性高强度飞行器结构和电气电子系统的外部电磁场的相互作用的结果。实际上，在对飞机HIRF效应的分析的必要性是相关的，主要是，以增加在飞机（促进还原HIRF保护的）和大量使用电动电子设备（易感性的电磁增加的结构部件采用复合材料的字段）。因此，这项工作的目的是研究和分析飞机的HIRF作用，因此，可能的HIRF保护使用。

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