Abstract
A hardened computer is an army vehicle equipment. During the testing of electromagnetic compatibility, the RE102 electromagnetic radiation test item appeared multiple points exceeding the standard. In view of this problem, the electromagnetic environment of a reinforced computer is analyzed, and it is found that there are adverse factors that cause electromagnetic leakage in the aspects of the case aperture, cable shielding, power protection, and grounding methods. After optimization, the device passed the RE102 test smoothly. The radiated emission level of the improved equipment has decreased significantly, and the radiated disturbance suppression measures adopted are easy to implement and universal, which provides a reference for subsequent research and the development of similar equipment.
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