1) uninsulated frequency shift
无绝缘移频
1.
This paper expounds the faults occurring in the construction of the automatic block of ZPW—2000A uninsulated frequency shift,introduces the methods for diagnosing and eliminating the faults.
阐述了ZPW—2000A无绝缘移频自动闭塞施工中出现的故障,介绍了故障的判断方法与排除方法。
2) Jointless Track Circuit Frequency-shift Automatic Block System
无绝缘移频自动闭塞
1.
This thesis is based on ZPW-2000A /UM71 Jointless Track Circuit Frequency-shift Automatic Block System, which is widely used in our country s railway sections.
本文基于我国铁路区间广泛使用的ZPW-2000A/UM71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。
3) ZPW-2000A Jointless Track Circuit Frequency-shift Automatic Block System
ZPW-2000A无绝缘移频自动闭塞
1.
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。
4) high-frequency insulation
高频绝缘
5) jointless
[英]['dʒɔintlis] [美]['dʒɔɪntlɪs]
无绝缘
1.
Installation and Test of WYZ 97 Jointless ABS Modulated by FS with 18 data;
WYZ-97型18信息无绝缘移频自动闭塞系统的安装与调试
2.
Jointless Frequency Shift Modulated Auto Blocking;
浅谈我国移频自动闭塞的无绝缘化
3.
Research on Transmission Characteristics of Digital Jointless Track Circuit;
数字无绝缘轨道电路传输特性研究
6) non-insulation
无绝缘
1.
Company, Senior Engineer, Harbin 150030The essay analyzes the technological problems that exist in the domestic 18 information non-insulation frequency shift modulatedautomatic blocking system, especially brings forward the improved plan and suggestion.
分析国产移频制式,特别是18信息无绝缘移频自动闭塞制式存在的技术问题,提出改进方案和建议。
2.
In recent years,the leap frog development which constructed along with the railroad,demonstrated accurate and the work reliability to the cab signal equipment proposed a higher request,the cab signal was facing the main body direction to develop,the development and the development suited our country railroad ZPW-2000 non-insulation track circuit′s cab signal to become the urgent need.
近年来,随着铁路建设的跨越式发展,对机车信号设备显示的准确性和工作的可靠性提出了更高的要求,机车信号正朝着主体化的方向发展,研制和发展适合我国铁路ZPW-2000无绝缘轨道电路的机车信号成为了迫切需要。
补充资料：多普勒频移
多普勒频移
物理学术语。又称“多普勒频率”。由多普勒效应引起发射频率与运动目标反射波或散射波信号频率之间的频差。反射体引起的多普勒频移(fd)与发射频率(fs)的关系式为fd=(2Vcosθ)·fs，C为声速，V为反射体的运动速度，θ为反射体运动方向与声束指向之间的夹角。取超声诊断中的典型数据可算得血流。胎心检测中的多普勒频移(fd)均在声频范围之内，因此这类诊断仪器均可采用扬声器来监听。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条