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- The paper analyzed spectrum characteristic of Automatic Block signal, proposed a arithmetic of computing ZPW2000A FSK-signal and realized frequency demodulation. 分析了自动闭塞信号的频谱特性，提出了ZPW2000A移频信号的还原算法，实现了对该移频信号的解频。
- Automatic block signals and other menas of communication enable railroads to operate safely. 自动停车信号及其它通信方式使铁路得以安全运行。
- multiple-aspect automatic block signal territory 多示象自动闭塞区域, 多显示自动闭塞区域
- The testing and assessment platform for railway block signaling is a system to test and assess the security and reliability of automatic block signaling. 区间信号系统测试评估平台是对铁路区间自动闭塞信号系统进行可靠性、安全性测试及评估的平台。
- A Kind of Automatic Block Signalling System Based on Field-Bus and its Reliability Design 一种基于现场总线的自动闭塞系统及其可靠性设计分析
- Necessity for Red Light indication by Automatic Block Signal After Train Derailment 列车脱轨后自动闭塞信号显示红灯的必要性
- The foundation of automatic block and cab signal is track ciruit. 自动闭塞和机车信号的基础是轨道电路。
- Automatic Block Signalling 自动闭塞信号
- automatic block signal 自动闭塞信号,自动闭塞信号机
- Signalling layout is the key to design of automatic block sections, and has a direct effect on railway operation efficiency and safety. 摘要信号机布局是区间自动闭塞设计的重要任务，它直接影响铁路行车安全和运行效率。
- Automatic Block and Footing keys for material estimates. 自动闭塞和落脚点钥匙材料估计。
- Signal demodulation of automatic block with audio frequency shift modulated track circuits was implemented with phase-locked loop( PLL) technique and a singe chip microcomputer. 利用锁相环(LL)窄带跟踪特性;与单片机结合;实现自动闭塞系统移频信号解调.
- Whether the crossing shutoff signal remains an independent system or interlocks with the automatic block passing signal,which way is better?The problem needs further discuss. 道口遮断信号是独成系统还是与自闭通过信号间发生联锁,各有利弊。
- On the base of reducing the problem, this paper put forward the idea improving bonding circuit to automatic block with audio frequency shift modulated track circuit and other signal equipmemt on the Hu Hang and Zhe Gan line. 在减少自动闭塞初期故障的基础上，对沪杭、赣线移频自动闭塞与其他信号设备的结合电路，提出了改进意见和实施措施。
- By comparing the two formulas, the paper concludes that moving automatic block can reduce the train headway and improve the transportation capacity. 通过对两公式的比对，得出了移动自动闭塞系统能够缩短列车的运行间隔，提高线路的通行能力。
- On this basis, computation formulas of train headway under fixed automatic block and moving automatic block are deduced in the paper. 在此基础上推导固定自动闭塞和移动自动闭塞系统下列车间隔的计算公式。
- Installation of automatic block valves with limit switches on each stream entering or leaving the compressor sections is foreseen. 应预先在压缩机的入口和出口物流管线上安装带有限位开关的自动切断阀。
- Kernel signal handling is rather elaborate, because the POSIX semantics allows processes to temporarily block signals. 内核信号处理是很复杂的过程，因为POSIX信号语义允许进程临时禁止某些信号的接收。
- It was based on ZPW-2000A Jointless Track Circuit Frequency-shift Automatic Block System,which was widely used in our country’s railway sections. 基于我国铁路区间广泛使用的ZPW-2000A无绝缘移频自动闭塞制式,利用计算机仿真技术对区间的部分设备及功能进行了模拟。
- With the establishment of CTCS technique criterion,traditional idea and method of automatic block system design are impacted. CTCS技术规范的制定,对自动闭塞设计的传统理念和方法产生了冲击。
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