铁路信号电源系统是专门给列车运营信号供电的，其可靠性要求非常高，因此，对铁路信号电源的监视和控制十分重要。
Railroad signal power system is a special supply power source for train running. The high reliability is required. Thus, its supervisor and control become very important.
今年早些时候，英特尔及西雅图华盛顿大学的研究人员演示表明，他们能够从4.1公里以外的电视信号中获取能量来给一个小功率传感器供电。
Earlier this year researchers at Intel and the University of Washington, in Seattle, showed that they could power a small sensor using a TV signal 4.1 kilometres away.
据北京晚报的报道称，该线路上包括供电、监控和信号系统设施中的70%已经安装完毕，其余部分将在今年年底完成。
About 70 percent of facilities, including power supply, monitoring, communication and signal, have been installed along the line and the rest will be finished by the end of this year, the report said.
讨论了一些影响放电电压大小及频率的电源参数，如供电电压、控制信号占空比、振荡电路的电阻和电容等。
Some factors affecting the frequency and magnitude of power supply, such as supply voltage, duty of control signal, the resistance and capacitance of oscillation circuit are discussed.
气阀爆炸，供电系统失效，以及不准确火警信号。
Exploding steam valves, electrical feeder failures and inaccurate fire alarm.
该电路采用恒流源供电的输入电路，提高了信号电压v _t与温度t的线性度。
The constant current supply for the input circuit is adopted, improving the linear relation between the signal voltage v, and temperature t.
有线电视公司现在可以通过他们以前只能传送电视节目的网络提供宽带互联网和语音业务了，而电信公司通过网络升级也可以提供电视信号。
Cable companies now offer broadband Internet and voice services over networks that used to carry just television, and telecoms firms have upgraded their networks to carry television signals.
它除了给机车上的蓄电池充电之外，还给机车提供稳定的110V辅助电源，为控制系统以及信号发生电路供电。
Besides the storage battery charging, it works as a stable 110v auxiliary power supply which provides electric energy to the control system and signal produced circuit.
对影响放电电压大小及频率的电源参数进行了讨论，如供电电压、控制信号占空比、振荡电路的R和C等。
Some parameters affecting the frequency and magnitude of power supply, such as supply voltage, duty of control sigal. the R and C of oscillation circuit are discussed.
从电源供电回路、信号输入通道、地线、通讯网络等方面对有关的电磁兼容进行了研究。
The electromagnetic compatibility about the power supply circuit, the input channels of signal, the earthing and the communication network is also researched.
集成式信号采集装置包括传感器、前置器、数显表头、USB数据采集卡和供电电源；
The second one is integrated signal acquisition device made up of sensor, front end circuit, data-showing meter, USB data acquisition card and power supply.
流量计采用单芯电缆完成对井下集流器、电路板供电，同时单芯电缆还完成两路流量信号、压力及温度信号的传输。
The flowmeter provides one core cable to supply power for the packer and downhole circuit of the flowmeter, at the same time, the signal transmit through the cable.
最终查出造成机组事故的根本原因是可控硅励磁装置供电电源无工作状态监视信号及故障报警信号；
The final basic cause that resulted in the failure is no working state monitoring signal and failure warning signal of power supply source of controlled silicon excitation device.
谐振回路耦合至开关电路，接收第一交流信号并产生第二交流信号以给负载供电。
The resonant tank coupled to the switching circuit receives the first AC signal and generating a second AC signal for powering a load.
时钟电路被配置为响应于具有输入供电电压和接地电压的时钟信号向内部节点提供上拉电流。
The clocking circuit configured to provide the pull-up current to an internal node in response to a clock signal having the input supply voltage and the ground voltage.
自动闭塞和电力贯通线路为铁路沿线自动闭塞信号及车站负荷等提供电源。
Railway automatic blocking and continuous transmission lines (RABCL) supply power for the railway automatic blocking signal and the loads along the lines, etc.
采用级联型多电平逆变器给异步电机供电，逆变器的开关信号利用载波移相脉宽调制方法生成。
The asynchronous machine is fed by cascaded multilevel inverter, and the inverter switching signals are generated by carrier phaseshifted pulse width modulation method.
铁路信号自控系统是一级供电负荷，要求有两路高质量的供电电源。
The railway signal auto-control system is a level of power supply load, which requires two lines of high quality power supply.
设计开发的电除尘器电源控制器采用ARM9系列STR912微控制器作为主控芯片，供电电源及信号输入输出模块采用光耦隔离设计方案。
Power controller adopts STR912 of ARM9 series as microcontroller, and USES the technique of optical coupling isolation within the input, output and power supply module.
第二类，非广播电视，通过信号传输技术的控制，为有需求的个人或特殊利益团体提供电视频道。
Second, there is non-broadcast television, which provides for the needs of individuals or specific interest groups through controlled transmission techniques.
采用高精度传感器提供电流信号，通过光纤连接传感器和显示面板，提高了置的可靠性和准确性。
Using high-precision sensors provide a current signal through the optical fiber connecting sensors and display panels to enhance the reliability and accuracy of the home.
在详细分析了总线供电问题中能量获取和信号传输原理的基础上，给出了一种MAU电路的设计方案。
A circuit of MAU is given based on detailed analysis about the principles of energy acquisition and signal transmission on bus-powered devices.
对牵引供电系统进行故障检测主要包括三个步骤：信号采集、信号处理与分析、故障诊断。
Fault detection on the traction power supply system mainly includes three steps: signal acquisition, signal processing and analysis, fault diagnosis.
由于在小波降噪中不同的阈值适应的信号特征不同，采用多种小波阈值对城市轨道交通牵引供电系统谐波信号进行降噪，并从中选择了最优的降噪阈值，达到对信号的优化处理。
Due to different wavelet threshold fit for different characteristic of signal, various wavelet de-noise threshold was used to decline the harmonics of signal and the best threshold was chosen.
本文详细介绍了大连快轨三号线牵引供电系统中直流1500V联跳信号的传输由电缆改为光缆的原理和改造情况。
This paper introduces the principle and transformation situation of replacing cable with optical fiber for DC1500V intertrip signal transmission in Dalian Express Rail Transit No. 3 Line.
目的通过对上肢肌群肌肉轻收缩时肌电信号的检测与分析，提供电子假肢信号源。
Objective To provide myoelectric signal of electronic artificial limb via examination and assessment of the myoelectric signals given by upper extremity muscles in light contraction.
利用小波变换对电机的信号进行了处理，得出了变频供电下电机电流的谐波特性以及变频器供电电机的噪声随变频器开关频率的变化特性。
Signal processing of motor was conducted by Wavelet Transform. The current harmonics characteristics and noise changes with switching frequency of the motor fed by Inverter were listed.
针对兰新线武张段电气化工程预可行性研究通信信号电力供应方案问题，着重对UPS供电方式的可靠性进行研究。
With the power supply problem we meet in the availability research on Wuweinan-Zhangye electrification project, emphasizing on the research of the UPS reliability.
这些持续不断的寄存器由电池供电，并接收来自晶体振荡器计时的时钟信号。
These persistent registers are powered by a battery and receive a timing clock signal from a crystal oscillator.
电源电路包括：射频信号发生电路、射频功率放大电路、直流供电电路和附加保护电路，以及与激光头的匹配网络。
The power circuit is composed of following circuits: RF oscillator, RF power amplifier, DC supply power circuit, protection circuit and matching network.
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