The foundation of automatic block and cab signal is track circuit.
自动闭塞和机车信号的基础是轨道电路。
This paper shows the main subsystems of the digital track circuit design of sending subsystem.
本文给出了数字轨道电路中主要系统——发送系统的设计方案。
Impedance transformer is one kind of main equipment of track circuit in electrification district.
扼流变压器是电化区段构成轨道电路的主要设备之一。
It is a special power supply equipment designed recently for ut track circuit without insulation.
该电源屏是我厂最新研制的为ut无绝缘轨道电路提供电源的专用区间供电设备。
Compared with the track circuit, this system was not only informative, but also safe and reliable.
这种方式与轨道电路相比，不仅信息量大，而且安全可靠。
Defective shunting of track circuit constitutes a huge hidden trouble to the transportation production.
轨道电路分路不良对运输生产构成巨大的安全隐患。
In this subject, methods of detecting those parameters are researched, which is aiming at UM71 track circuit.
本课题针对UM 71轨道电路，研究了其参数测试方法。
On a line equipped with ATP as shown above, each block carries an electronic speed code on top of its track circuit.
在线被装备AT P依照被显示以上，各个块运载一个电子速度代码在它的轨道电路顶部。
The paper introduces the influence of tractive current on the track circuit, and some improved methods are put forward.
介绍了牵引电流对轨道电路的影响，提出了几项改进方法。
It is given how to solve technical problem on track circuit synthetic parameters on-line measure in modern electric railway.
本文介绍了解决现代电气化铁路轨道电路综合参数“在线”测试过程的技术难题。
Method of calculating the adjusting resistance of frequency shift track circuit for normal state and shunting state is introduced.
本文介绍了移频轨道电路调整状态及分流状态调整电阻的计算方法。
In this paper. It is given how to solve technical problem on track circuit synthetic parameters on-line measure in modern electric railway.
本文介绍了解决现代电气化铁路轨道电路综合参数“在线”测试过程的技术难题。
The effect of track circuit unbalance current to the signal device in the electrified section and protection schemes are introduced in the paper.
论述了轨道电路不平衡问题对电化区段信号设备的影响及预防处理措施。
The paper suggests a good solution for solving the problem of wrong alarm by DX3 type crossing signal equipment on ZPW-2000A jointless track circuit.
文章对叠加在ZPW- 2000a型无绝缘轨道电路上的DX3型道口信号设备错误报警问题，提出了合理的解决方案。
However, traditional cars to the track circuit as a way of communication has been unable to meet the modern requirements of the train control system.
然而传统的以轨道电路作为车地通信的方式已经无法满足现代列车控制系统的要求。
The working principle, technical specification and maintenance standard of the new WXJ25 phase-sensitive track circuit receiver were introduced in this paper.
介绍新型WXJ25型微电子相敏轨道电路接收器的工作原理，技术条件及维修标准。
For the problem of signal current bypass with track circuit of rolling stock depot in DC electric traction sections, the paper provides measures to prevent it.
针对直流电力牵引区段车辆段轨道电路中的信号电流存在的迂回问题，提出了在工程设计中的防范措施。
This method was simulated by computer. The results show that when the ratio is increased from 50% to 70%, the range of once adjusting track circuit is enlarged more.
结果表明可将返还系数从5 0 %提高到70 % ，大大提高一次调整范围，并能满足最恶劣的道床条件。
Aim at the problem of the pressure small, easily test error of adoption shunting line test residual press, develop a new track circuit shunt-residual press fix tester.
针对目前采用分路线测试残压产生压力小，易造成测试误差的问题，研制开发了一种新型轨道电路分路残压定压测试器。
The overall objective, technological crux, system function and application of UM71 track circuit technological profession management system were outlined in this paper.
对UM71轨道电路技术业务管理系统，从总体目标、技术关键问题、系统功能和使用情况等几个方面进行了详细论述。
Testing the main parameters of track circuit at interval by this method and estimating the safety of track circuit when error is permitted have strong practical meaning.
根据此方法定期检测轨道电路的主要参数，在误差允许范围之内判断轨道电路的安全性具有很强的实际意义。
The receiver can generate the hot standby redundancy after being used, thereby being taken as a receiver for a phase detecting track circuit and an impulse track circuit;
采用上述接收器，构成热备冗余模式，可以作为相敏轨道电路和脉冲轨道电路的接收器。
A method for improving the ability of JZXC 480 track circuit once adjusting was presented. The method is to in crease the ratio of release voltage and work voltage of track relay.
为提高JZXC - 480型轨道电路一次调整的能力，提出改变轨道继电器返还系数的方法，并进行计算机仿真计算。
The utility model can realize overall track disconnection inspection of the track circuit so as to ensure that the rail track broken detector provides domestic railway with safe services.
它能够实现轨道电路全程断轨检查，为保证我国铁路行车安全服务。
In electric railway track circuit, the two steel tracks are both transmission line of the track signal and return line for electric locomotive tractive current back to electric substation.
在电气化铁路轨道电路中，两条钢轨即是轨道信号的传输线，又是电力机车牵引电流返回变电所的回流线。
With the remarkable acceleration of the railway, the pre emitting codes technique within the station on coded track circuit is widely applied as a basic technical equipment for train safety.
随着铁路几次大的提速，站内电码化预发码技术作为保证行车安全的基础设备已被广泛采用。
Therefore, modern train control system can affect the quality of transmitted signals and used to ensure traffic safety and improve the daily operational efficiency is a key part of the track circuit.
轨道电路是现代列控系统中能够影响传输信号品质并且用来确保日常行车安全和提升运营效率的关键部分。
The news comes a day after developers of the new Circuit of Americas track said building had stopped.
这个消息发布于美国大奖赛赛道的建筑商宣布赛道停工一天后。
The news comes a day after developers of the new Circuit of Americas track said building had stopped.
这个消息发布于美国大奖赛赛道的建筑商宣布赛道停工一天后。
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