power line的例句大全

It proposes a new way for the accuracy time transmission method by means of power line except for long wave, short wave, satellite, laser, TV, VLBI, tele-phone wire etc. This time transmission method will be used in wide field.

除了用长波、短波、卫星、激光、TV、VLBI、电话线传递精密时间以外，又开拓了用电力线进行精密时间传递的新途径，这种方法具有广阔的应用前景。

Orthogonal Multi-Carrier Modulation ( OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.

为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。

Reactive power compensation study for terminal power line

低压终端线路无功补偿技术

A power line protection device is developed with the help of the software platform.

并且通过该平台，开发了配电线路保护单元。

Design and implement of a power line carrier LAN

低压电力线载波局域网系统的设计与实现

This man is repairing a power line.

这个人正在修理电线。

Low voltage power line is a time-varying system of complex network structure, whose hostile channel properties such as very low impedance, instability channel frequency, strong noise pollution, attenuation and time-variance must be considered.

低压电力线是网络结构复杂的时变系统，其信道表现出阻抗变化大、信道频率特性不稳定、信号所受干扰强和时变性大等特点。

Discussion of a design scheme for spreading spectrum data transmission terminal in distribution power line communication

配电网电力线扩频数传终端设计方案的探讨

An Application of Microcomputer for the Measure of Hitch in Long-distance Telecommunication Line and Power Line

微机在长途电信、电力明线线路故障测试中的应用

Application of permissive power line carrier protection in power system

允许式方向高频保护在电力系统中的应用

The system is made up of control switch, light-transmitting module, three general lines ( including electric power line, optical-fiber signal line, the loop-line of the system), light-receiving module and terminal electric-implements.

系统由控制开关、光发射模块、三根总线（电源线、光纤信号线、系统地线）、光接收功能模块、终端用电器或执行器组成。

The protection extent and defects of impedance protection for transformer is analyzed by this article, and it is pointed that distance protection for power line cannot be applied to the backup protection for main transformer at another terminal on the same line.

针对变压器阻抗保护的保护范围进行分析，指出了变压器阻抗保护的缺陷，同时指出线路距离保护不能作为对侧主变压器的后备保护。

During helicopter power line inspection tour, observation equipments, including infrared cameras, digital video cameras, high-resolution telescope, and visible light VCRs, etc.

在我国的直升机巡线试验中，多采用红外线摄影仪、数码摄像机、高分辨望远镜、可见光录像机等设备作为观测工具。

Terminal is a vital part which connects MCCB and power line. Abnormal temperature rise will not only produce hidden trouble in mechanical part, leading to accident in low-voltage power distribution network, but also cause electrical fire in buildings.

接线端子是承担断路器本体与导线连接的重要部件，其温升异常不仅会造成设备的机械连接隐患，使低压配电网络发生事故，同时也会形成电气火灾隐患。

A Temperature Telemetering System Based on Power Line Carrier Wave

利用电力线载波实现的温度遥测系统

Both queuing network model was constructed based on the OPNET platform, gives analysis to the performance evaluation, by verifying known of low-voltage power line full-duplex communication network performance is optimal.

基于OPNET平台构建这两种排队网络模型，给出性能评价分析，通过验证可知低压电力线全双工通信网络的性能是最优的。

The end plug component comprises a rail tube plug socket connected with the power line rail tube and a lamp tube plug socket connected with the lamp tube seat.

所述端部插头组件包括与电源线轨道管相连接的轨道管插头座及与灯管灯座相连的灯管插头座。

In this paper, an improved delay and correlation algorithm is proposed for timing synchronization. The delay and correlation algorithms as well as the double sliding windows power ratio algorithm are used in an actual low voltage power line communication system.

对比分析了双滑动窗功率比值法、延迟相关算法、改进的延迟相关算法应用于实际低压电力线弥散通信环境中的效果，结果表明采用改进的延迟相关算法更稳定可靠，精度更高。

The information could be transferred on the power line in the form of digital signal, or on the telephone line by a modem with and image.

信息可以数字信号的形式在电力线上传输，也可通过调制解调器直接传输图象信号。

Calculation and Correction of Detour Lightning Current in Power Line

线路防雷中绕击电流的计算及修正