The effect of radiofrequency on three different hotbridge electric explosive devices was studied by experiment and calculation. The sensitive frequency were measured using conduction method,and the radiofrequency sensitivity was tested and calculated in the condition of sensitive frequency based on the updown method. The sensitive frequencies are 0.4 GHz through detection test of 30 samples for each electric explosive device; the fire powers are 2.818 W,0.428 W and 0.897 W at 50% fire/no fire through radiofrequency sensitivity test of 30 samples for each electric explosive device,and the radiofrequency sensitivity decreases along with the increase of electric resistance of hotbridge.
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陈明华,张国安,陆瑞卿,等.桥丝式电火工品射频感度试验研究[J].含能材料, 2008, 16(5):547-549. CHEN Ming-hua, ZHANG Guo-an, LU Rui-qing, et al. Radiofrequency Sensitivity of Hot-bridge Electric Explosive Device[J]. Chinese Journal of Energetic Materials, 2008, 16(5):547-549.