Determining an Aircraft's Attenuation Characteristics of HIRF Testing

Paper #:
  • 971488

Published:
  • 1997-05-01
Citation:
Rierson, L., "Determining an Aircraft's Attenuation Characteristics of HIRF Testing," SAE Technical Paper 971488, 1997, https://doi.org/10.4271/971488.
Author(s):
Pages:
10
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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