Train approach early-warning system and method for railway safety protection
A technology for train approaching and railway safety, applied in the direction of railway signal and safety, to achieve the effect of convenient offline alarm, convenient deployment and good scalability
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[0059] Specific examples, such as Figure 3-4 , a train approaching alarm system, which includes: a locomotive radio installed on each train; a plurality of hand-held radios and an early warning server deployed in the duty room of each station. The specific system parameters are: based on the open standard developed by DMR ETSI (European Telecommunications Standards Institute) to meet the needs of middle and low-end professional and commercial users for mobile communications, using TDMA (double time slot) multiple access mode, 12.5 KHz channel spacing, 4FSK modulation mode, data transmission rate of 9.6Kb / s) protocol dispatching call system as the basis design early warning server, combined with the global positioning system (GPS) and geographic information system (GIS) of mobile portable terminals, passenger car operation safety The monitoring system (TCDS) monitors the position and speed of trains running online in real time, and aggregates the data of trains and constructio...
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