The Electromagnetic Compatibility (EMC) test for an aircraft system has no any available and official standards or regulations in china. In conect with EMC test for a certain aircraft and its electric subsystems, we put forward a test program for aircraft AC/DC power supply system characteristics, electromagnetic emission, electromagnetic susceptibility, and electromagnetic environment and antenna couplings. we not only determine the EMC safety margin of the aircraft system from a system viewpoint, but also evaluate the EMC performance of some key airborne equipment from an equipment viewpoint.
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