| Citation: | LI Wei, WEI Guanghui, PAN Xiaodong, et al. Blocking jamming effect prediction method under multi-frequency in-band radiation environment for spectrum-dependent equipment[J]. Journal of Beijing University of Aeronautics and Astronautics, 2021, 47(4): 715-723. doi: 10.13700/j.bh.1001-5965.2020.0016(in Chinese)
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In order to solve the technical problem of accurately evaluating radiation effects of spectrum-dependent equipment in complex electromagnetic environment, based on the basic theory of electromagnetic wave coupling transmission, this paper deduces and reveals that the poor linearity and insufficient dynamic range of RF front-end are the essential reasons why the electromagnetic radiation effect is sensitive to the effective value or amplitude of interference field strength. On this basis, two kinds of electromagnetic radiation effect models are established when the spectrum-dependent equipment is interfered by multi-frequency in-band continuous wave. And the method to judge the electromagnetic radiation sensitivity type of the tested equipment is proposed by the effective value ratio of critical interference field strength (
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