轨道电路

Matlab在轨道电路仿真计算中的应用

Application of Matlab in Track Circuit Simulation Calculation

基于DSP的音频轨道电路接收解调算法的研究

Study of the Algorithm Based on DSP of Receiving and Demodulating Audio Track Circuit

D类功率放大器在城轨交通ATP系统数字轨道电路中的应用

Application of D-type Power Amplifier in ATP System Digital Track Circuits of Urban Transit

对AES密码的另类解密&旁路分析低频交流电码轨道电路

Decryption New to AES – a Side Channel Analysis low frequency AC coded track circuit

整个系统的设计包括三部分内容，即区域控制中心、数字化无绝缘轨道电路、ATP车载设备。

All the design of the system includes three parts & Controlling center , Digital rail circuit without insulation and loading equipments .

UM系列无绝缘轨道电路在无碴轨道条件下失谐等问题的研究

Study on detuning and other problem of UM serial jointless track circuit under the condition of ballastless track structures

基于通信列车控制系统（CommunicationBasedTrainControl，CBTC）能够有效地解决传统的轨道电路列车控制系统的诸多问题，是未来城市轨道交通信号系统的主流发展方向。

Communication Based Train Control ( CBTC ) can solve effectively many problems of the traditional train control system of track circuits , which is the main direction of future subway signal system .

通过列举两个Matlab在计算中的实例，说明用Matlab完成轨道电路仿真计算，程序的可读性强，工作效率高。

By giving two examples in calculation with Matlab , it is proved that carrying out track circuit simulation calculation using Matlab will provide the program with high readability and efficiency .

在软件实现过程中的难点是：如何使两段轨道电路信号之间的间隔时间最短；如何利用CVI与Matlab混合编程。

The difficulties in software realization are : how to make the interval between two track circuit signals shortest . How to realize CVI and Matlab mixed programming . 4 .

当RFID设备故障时，启用DGPS定位的备用方案，用DGPS结合轨道电路实现跟踪定位。

When the RFID device is failure , DGPS alternative is started using , which use DGPS with track circuit and GIS to attain tracking and positioning .

针对行车密度小、无法应用轨道电路作为列车检测手段的城市轨道交通系统，提出了一种基于现场总线技术的CHECK方式城市轨道交通列车运行监控系统，并就其可靠性设计作了重点阐述。

This paper promotes a field-bus-based Check-Mode urban train running control system to support those ur-ban rail transit system that is not very busy and can not use the track circuit to check out the train . It is also analyzed the reliability of this control system .

分析了现场设备控制模块的功能需求，完成了ZD6型直流电动转辙机、LED色灯信号机、交流连续式轨道电路现场控制模块的软硬件设计。

The functions of the field control modules are studied , and the control modules of ZD6 electric switch machine , LED color-light signal and AC track circuit are designed .

本文采用MATLAB软件模拟轨道电路的传输特性，对轨道电路在正弦交流输入下的稳态响应进行了仿真，得到了相应的的仿真结果和曲线图。

In this paper , the study method is adopted for employing MATLAB to simulate the transition feature of track circuit , the steady-state response of track circuit is simulated when the alternative sine wave signal is inputted , and the corresponding results are interpreted .

25Hz相敏轨道电路的测试与调整

Test and Adjustment of 25 Hz Phase Detecting Track Circuit

智能型25Hz相敏轨道电路电压相位测试仪

Intelligent Measurer to 25 Hz Phase Track Circuit

WG-21A型无绝缘轨道电路的抗干扰分析

Analysis of Anti-interference on WG-21 A Track Circuit

本文作者重点阐述了ZPW-2000系统轨道电路传输安全性方面几项技术难题的解决方案。

The author emphasized the solutions for several technical problems at transmission security of ZPW-2000 track circuit system .

计算和现场应用表明，此方案显著提高了25Hz轨道电路的抗脉冲干扰能力。

The calculation and application show that this design can remarkably lower the influence of interference and improve the signal transmission .

主要根据当前我国铁路发展的实际需要，针对国外数字轨道电路系统的基本原理，提出了MSK信号的一种新型的解码方案。

According to the practical requirement of the development in China railway , a new scheme for decoding MSK signal is proposed in this paper , on the basis of the basic principle of digital track circuit from abroad .

讨论了轨道电路受牵引电流传导性干扰的试验内容和技术要求，设计了50Hz基波和谐波试验方案，并提出了试验方法。

After discussing immunity requirements of track circuit subject to conductive interference caused by traction current , the author designs the test methods composed of 50 Hz and harmonic subsystem .

详细介绍智能型25Hz相敏轨道电路电压、相位测试仪的原理、特点及应用效果。

This paper introduces the principle , characteristic and applied effects of the phase detecting instrument for 25 Hz phase trunk 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。

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 .

轨道电路是客运专线CTCS-2级列控系统的重要组成部分，TCC（列控中心）与轨道电路之间能否可靠通信对整个列控系统具有重要意义。

Track circuit is an important component of Passenger Dedicated Line Train Control System in the CTCS-2 , the communication between track circuit and TCC ( Train Control Center ) is of great significance for the train control system .

从设备构成原理、抗干扰性和信号处理技术上着重阐述了WG-21A无绝缘轨道电路在直流牵引区段应用的可行性。

Application feasibility of WG-21A jointless track circuit in DC traction section is stressed from the points of composition principle of equipment , anti-interference and signal treatment technology , etc.

介绍铁路ZPW&2000A无绝缘移频轨道电路29m电气绝缘节的工作原理、主要频率参数、轨道电路主要设备组成及其工作原理。最后讨论该轨道电路尚未能解决的一些问题。

This paper introduces the principle of the electric joints , main frequency parameter and the arrangement of the ZPW 2000A FSO Track Circuit and discusses some unsettled problems in the ZPW 2000A FSO Track Circuit .

结合电气化改造工程，对电化区段25Hz相敏轨道电路预叠加UM-71电码化的可靠性及优点进行阐述，对一些技术难点进行分析。

Reliability and strongpoint of UM-71 code pre-overlapped on 25 Hz phase sensitive track circuit in electrified sections are expatiated , and some technical problems are analyzed in combination with the electrification reconstruction works .

介绍西门子AzS（M）350M型微机计轴设备与传统的轨道电路相比在完成铁路区段空闲、占用检查功能方面的优势和这种系统的构成、工作原理及具体运用。

Compared with conventional track circuit , the advantages of Siemens AzS ( M ) 350 M microcomputer controlled axle counting equipment system in detecting the section occupying or free are summarized . And its system configuration , working principle and application are also introduced .

文章介绍WG-2A无绝缘轨道电路构成特点，载频分配，低频信息组成。列车检测及信号发送的实现。

This article introduces constitution features , carrier frequency distribution and composition of low-frequency information of WG-2A jointless track circuit , detect the presence of a train and realization of signal transmission .

本文对在地铁和城市轻轨的直流牵引区段站内采用单轨条回流方式的50Hz相敏轨道电路现场测试和调整进行了介绍，为其应用提供了参考。

This article introduces the site test and adjustment of 50 Hz phase sensitive track circuit , which adopts single rail for returning circuit in stations of DC traction section of metro and urban light rail , and provides references for its application .

25Hz长轨道电路是目前我国最长的轨道电路，它的发送端使用的25Hz铁磁分频器，已在本刊第8卷第2期进行了介绍。

25 Hz long track circuit is the longest track circuit in our country today . Its transmitted end uses the 25 Hz Ferro - magnetic frequency divider , which was introduced in the Vol. 8 No.