通过地面模拟试验测量了火箭分离时火工品的爆炸产生的电磁辐射.通过杆天线和实时频谱仪测量了不同种类的航天火工品的爆炸辐射,表明辐射随着爆炸能量的增加而增强.使用聚能炸药索时,在爆炸分离后的数十毫秒内都会有明显的电磁脉冲出现,其频率主要集中在兆赫兹量级,在单个频点上的电场峰值可达数个V/m.使用偶极子天线对爆炸时舱体内外的电磁环境进行了对比,并对舱内线路上的感应电流脉冲进行了测量,得到了一些初步结论.试验结果可为舱内电子设备的抗干扰设计提供参考. The electromagnetic radiation generated by explosion of pyrotechnics during rocket separation was measured by the ground simulation test.The explosion radiation of different types of aerospace explosives was measured by rod antenna and real-time spectrum analyzer, which indicated that radiation increased with the increase of explosion energy. When using a polymeric explosive cable, significant electromagnetic pulses appear within tens of milliseconds after the explosion separates, with frequencies mainly centered on the order of megahertz, with electric field peaks up to several V / m at a single frequency. The dipole antenna was used to compare the electromagnetic environment inside and outside the chamber during explosion and some preliminary conclusions were drawn on the induced current pulse in the cabin.The test results can provide the anti-jamming design of the cabin electronic equipment reference.