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21ic
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RECE测试失败案例深度解析,1GHz以上频段辐射超标的频 ...
在电磁兼容 (EMC)测试中,辐射发射 (RE)超标是高频电子设备常见的失效模式。某车载尾门电机在1.2GHz频段超标15dB的案例,揭示了1GHz以上频段辐射干扰的特殊性——传统低频整改方法失效,需结合频域分析、源头抑制与系统级优化。本文通过典型案例解析,揭示高频辐射超标的溯源逻辑与整改框架。
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