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    초록·키워드

    The train system has become the trends of digital systems which have many advantages, such as fast transmission speed, lots of information transmission, and very low transmission error rate. The FSK method, which is transmitting lots of information corresponding to each other oscillating frequency due to the level of binary signal, applies to information transmission in train system. This paper represents an effective and reliable HDLC procedure to transmit the information in railway system. The forms of information configuration have recently been digitalized to increase the information quantity between the vehicle and ground control devices. The digital systems have many advantages, such as fast transmission speed, lots of information transmission, and very low transmission error rate. We have proposed definite method applicable to maglev train using the HDLC procedure. This paper describes a digital signal transmission which is consisted of bandpass filter, antennas, FSK modems, data processors, and data acquisition system.

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      UCI(KEPA) : I410-ECN-0101-2009-569-013236561