| 25周交流计数电码信号的频谱分析 |
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| 引用本文： | 邱宽民,程荫杭.25周交流计数电码信号的频谱分析[J].北京交通大学学报(自然科学版),1992(3). |
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| 作者姓名： | 邱宽民 程荫杭 |
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| 作者单位： | 北方交通大学运输自动化科学技术研究所，北方交通大学运输自动化科学技术研究所 |
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| 摘 要： | 为提高电气化区段25周交流计数电码式机车信号的可靠性,本文从理论上计算、分析了25周交流计数电码信号的频谱,包括不同周期、不同码型的频谱,并通过对现场实际信号的记录,做频谱分析,给出了实际信号的各种典型频谱图.本文还计算了不同的频宽内25周交流计数电码信号能量百分比.
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| 关 键 词： | 机车信号 信号分析 交流计数自动闭塞 |
A Study on the Frequency Spectrum of the 25Hz AC Counting Code Signal |
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| Qiu Kuanmin,Cheng Yinhang.A Study on the Frequency Spectrum of the 25Hz AC Counting Code Signal[J].JOURNAL OF BEIJING JIAOTONG UNIVERSITY,1992(3). |
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| Authors: | Qiu Kuanmin Cheng Yinhang |
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| Institution: | Automation Research Institute of Transportation Science and Technology |
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| Abstract: | This paper presents theoretical analysis of the frequency spectrum of ideal 25Hz AC counting code signal and measurement of the frequency spectrum of the actual 25Hz AC counting code signal by a signal analyzer. The 25Hz AC counting code cab signalling systems are used in electrified railways, but their performances are not satisfactory. The study in this paper will give support to the improvement of the 25Hz AC counting code cab signalling system. |
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| Keywords: | caby signal signal analysis AC counting code automatic block |
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