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0 引言ZTD-Ⅲ型平面无线调车设备由机车、移动和固定设备3部分组成,构成了调车人员与机车司机及调车区长(调度值班员)之间的联络通道,即调车通信网。从无线通信的角度看,实际上是1个以机控器为中心的数话并传的同频单工分组网。该系统采用先进的单片机控制技术、语音合成及回示技术、数
0 Introduction ZTD-Ⅲ plane wireless shunting equipment consists of locomotives, mobile and fixed equipment composed of three parts, constitute the shunting personnel and locomotive drivers and shunting district manager (dispatcher) between the liaison channel, shunting communication network. From the perspective of wireless communications, in fact, is a machine-centric number and spread the same frequency simplex packet network. The system uses advanced single-chip control technology, speech synthesis and back show that the number of