audio track circuit是什么意思

网络释义

用法例句

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

基于DSP的音频轨道电路接收解调算法的研究

This paper presents the reason for the domestic development of type S connecting cable and its component for coding system audio-frequency track circuit,the base on which type S connecting cable and its components were designed,the electrical properties of the product,key points of the manufacturing process and test results.

论述了编码制式音频轨道电路S型连接电缆及组件国产化的缘由,S型连接电缆及组件国产化的设计依据,介绍了产品的电气性能指标、制造工艺要点和试验结果。

Establishment and application of model for frequency-shift track circuit;

移频轨道电路模型建立及应用

The frequency shift track circuit automatic test system using DSP technique and devices is implemented, which has the characteristics of quickness and accuracy.

应用ＤＳＰ技术和器件，设计完成的移频轨道电路自动测试系统，具有快速、准确地特点。

Study on Frequency Shift Track Circuirs Parameters Testing and Signal Precessing Technology;

移频轨道电路参数测试及信号处理技术的研究

Improvement of ZPW-2000A FSO track circuit with electric joints in application

ZPW-2000A无绝缘移频轨道电路在运用中的改进

Research on Frequency Shift Track Circuit Parameters on Line Testing Technology in Electrified Block;

电气化区段移频轨道电路参数在线测试技术的研究

low frequency AC coded track circuit

低频交流电码轨道电路

Application of Digital Video CCTV Supervision Control System in URT

基于数字化视频的轨道交通闭路电视监控系统

steady current rail circuit

稳定电流式轨道电路

track circuitrepeater

轨道电路复示继电器

track circuit permissive block

有轨道电路的容许闭塞

Application Method of Digital Video CCTV Supervision Control System in UMT

轨道交通闭路电视监控系统视频数字化解决方案

Study on the Method of Detecting UM71 Frequency-Shift Track Signal;

UM71移频轨道信号检测算法的研究

conductor rail (raillaid parallel to the tracks)from which a railway locomotive picks up electric current

导电轨（与路轨平行的轨道,可供机车导入电流）.

System Design of Track FSK Signal Based on Time-Frequency Distribution;

基于时频分析技术轨道移频信号接收系统设计

High-accuracy Detection of Track Circuit Frequency-shift Signal Based on the Zoom in the Local Spectrum

基于局部频谱细化的轨道移频信号高精度检测

GSM900/1800 Two Band Mobile Phone RF Circuit Design;

GSM900/1800双频移动电话射频电路设计

Skills for Making Double Track Circuit Drawing

双线轨道电路电缆径路图的制作技巧

Modeling and Simulation of Track Circuit with Ballast-Less Track

无碴轨道条件下轨道电路的建模与仿真

Analysis of the Adaptibility of Jointless Track Circuit to Ballast-Less Track

无绝缘轨道电路对无砟轨道的适应性分析

the track on which trams or streetcars run.

一种有轨电车或路面电车在上面行进的轨道。