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Determining an Aircraft's Attenuation Characteristics of HIRF Testing
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English
Abstract
This paper elaborates on current testing techniques used to determine an aircraft's attenuation characteristics in the presence of High Intensity Radiated Fields (HIRF). This is not a theoretical discussion for the Electromagnetic expert, but rather a practitioner's overview for the avionics/electrical engineer who must oversee HIRF testing. Three testing techniques used to determine the attenuation of an aircraft will be discussed: (1) the Low Level Direct Drive (LLDD) test used for the 10 kHz to the first aircraft resonance frequency; (2) the Low Level Swept Current (LLSC) test used for the 1 to 400 MHz frequency band; and (3) the Low Level Swept Fields (LLSF) test used for the 100 MHz to 18 GHz frequency band.
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Citation
Rierson, L., "Determining an Aircraft's Attenuation Characteristics of HIRF Testing," SAE Technical Paper 971488, 1997, https://doi.org/10.4271/971488.Also In
References
- Draft User's Guide August 1994
- FAA Notice, N8110.HIRF 1997
- RTCA DO-160C, Section 20
- SAE AE4R committee and EUROCAE WG 33's draft advisory circular for AC 25.1317