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分析了外场试飞过程中某机载设备BIT虚警产生的原因及引起的后果,并提出了一套较为全面的BIT虚警解决方案,最后结合实际应用给出了便捷有效的软件算法实例。经过外场试飞验证,该算法大大降低了BIT虚警率,提高了设备的可靠性,并为同类型的机载设备产生的BIT虚警提供了可借鉴的经验。
The reason and the consequence of the BIT false alarm of an airborne equipment in the field flight test are analyzed. A more complete BIT false alarm solution is proposed. Finally, the practical and effective software algorithm examples are given. After field test, the algorithm greatly reduces the false alarm rate of BIT, improves the reliability of the equipment and provides experience for BIT false alarm generated by the same type of airborne equipment.