To simplify system and reduce hard ware costs, monitoring, alarm, operation and control function were implemented by soft codes.
为了简化系统结构和降低硬件成本，监测、报警、操作和控制功能全部由软件实现。
Setting codes of the normal-open fire-proof door, safety control and alarm escape latch system are analyzed and electrical matching design measures are discussed.
摘 要对现行规范和地方消防规定中常开式防火门、安全控制与报警逃生门锁系统的设置规定进行分析，探讨电气配套设计措施。
Two thresholds can improve the detection rate, and reduce the false alarm rate of ranging codes.
双门限判决能够提高测距码检测率，降低虚警率。
Two thresholds can improve the detection rate, and reduce the false alarm rate of ranging codes.
双门限判决能够提高测距码检测率，降低虚警率。
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