一、概述西德联邦铁路的列车无线通信经过多年的具体规划后现在正全面施工,到目前已有4,350公里线路装设了列车无线通信。列车无线通信设备将在所有和主要长途、短途支线使用,这些线路上的全部列车将安装同样的设备,至1978年末监督和控制运营过程的列车无线网将投入运用,见图1。二、发展 I. Overview The railway wireless communications of the West Federal Railway are now under full construction after many years of detailed planning. To date, 4,350 kilometers of trains have been equipped with train wireless communications. The train wireless communications equipment will be used on all and major long-haul and short-haul extensions, and all trains on these routes will be equipped with the same equipment. The train wireless network, which oversees and controls the operation of the train at the end of 1978, will be operationalized (Figure 1). Second, the development