MVB基带传输系统的研究与优化设计

2013 IEEE International Conference on Intelligent Rail Transportation Proceedings Pub Date : 2013-08-01 DOI:10.1109/ICIRT.2013.6696265

Song Juan, Zhou Feng, Xu Feng-kai, Gong Xiao

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引用次数: 0

摘要

针对列车控制网络与信息网络结合时信道复用所面临的频段分配问题，根据随机过程功率谱的原始定义，建立了MVB代码的数学模型，推导了MVB帧头频谱函数，并对不同MVB帧功率谱进行了计算和仿真。然后设计了一种能保证基带传输系统正常安全运行的带限滤波器，同时能减少基带信号对高频载波信号的干扰，从而优化了MVB基带传输系统的带宽。最后，通过仿真分析和实验测试验证了设计的有效性。

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Research and optimal design for MVB baseband transmission system

Regarding frequency band allocation problem faced with the channel multiplexing when combination of train control network and information network, according to the original definition of random process power spectrum, a mathematical model of MVB code is established and a MVB frame head frequency spectrum function is deduced, and different MVB frames power spectrum are calculated and simulated. Then using a design of band-limited filter which can ensure normal safe operation of the baseband transmission system, at the same time which can reduces interference of the baseband signal on the high frequency carrier signal, thus optimizing the bandwidth of the MVB baseband transmission system. Finally, verify the effectiveness of the design through simulation analysis and experimental testing.

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2013 IEEE International Conference on Intelligent Rail Transportation Proceedings

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