With the extensive use of various electronic system is increasing its daily maintenance tasks, maintenance personnel most of time is busy at the regular maintenance test, the maintenance of the low efficiency of electronic systems has restricted an important factor in normal use. Based on a airborne tactical data link system, using box-in test technology with built-in test technology combined with design of airborne tactical data link system maintenance efficiency, achieved the box-in test of airborne tactical data link system. Through the experiment and maintenance, using the box-in test of airborne tactical data link system can increase maintenance efficiency and convenience, a-chieving the purpose of reducing the cost of maintenance much in all the life of the system.%随着各种电子系统的大量使用,其日常维护任务日益加重,维护人员的大部分精力都消耗在定期维护测试中,维护效率低下已成为制约电子系统正常使用的重要因素之一；现以某大型机载数据链系统为研究背景,结合其自身工作特点和设计经验,将箱内测试技术与机内测试技术相结合,设计实现了该大型机载数据链系统的箱内测试；通过实验实践和使用维护证明,对该大型机载数据链系统使用箱内测试技术有效提高了系统的维护效率和维护工作便捷性,实现了全寿命周期内大幅缩减设计和使用维护成本的目的.
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