Comprehensive protection method for strong electromagnetic field circuit of aircraft

• Main Authors: WANG KUNYUN, ZHANG DI, GONG LINSHU, WANG YI, ZHANG SHAOWEI, DU ZHE
• Format: Patent
• Language: Chinese; English
• Published: 29.11.2022
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention provides an aircraft strong electromagnetic field circuit comprehensive protection method, which comprises the following steps: carrying out frequency domain analysis, comparing the working frequency of a transceiver with the frequency and intensity of a strong electromagnetic field to obtain weak links on circuit protection, and determining whether to carry out circuit protection design or not; the resonant frequency and the driving signal working mechanism of the cable are analyzed and obtained, and are subjected to rationality analysis with the working frequency of the strong electromagnetic field to confirm whether a shielding layer needs to be additionally arranged; performing energy domain analysis, performing field environment simulation, comparing with a threshold value of a sensitive device on the aircraft, and determining whether field protection measures are taken or not; frequency and energy domain comprehensive analysis is carried out, cable coupling strength simulation is carried o