介绍了Z JF -1型动力电缆载波设备的组成、工作原理、F SK调制技术及PLD器件的应用等。
The paper introduces the composition, working principle, FSK modulation technology of Model ZJF 1 Power Cable Carrier Equipment and application of PLD.
上行设备在建站时的疏漏和运行中的故障都是载波干扰的常见原因。
Carrier interference is often caused by careless installation or malfunction of uplink devices.
但在一些以小型手持设备为终端的自组网应用系统中物理层无法提供载波感知。
But the physics layer of some small hand-hold equipments can not provide carrier sense.
该方法的特点是所用设备简单,载波频率稳定和无相位误差积累影响。
The advantages of this system are that the equipment used is simple, that the carrier frequency is stable and that no affects of phase-error accumulation exist.
针对脉冲式电能表,设计了集成采集终端,该终端能以电力线载波方式和其它设备进行通信。
An integrated acquisition terminal, which can communicate with other devices through electric power line carrier, is designed for the pulsed electric energy meter.
无论是雷达、电子对抗,还是通信、仪器设备等都需要高稳定度的频率源,以保证载波信号的质量。
Whatever it is radar, eccm equipment, communication equipment or instrument, frequency source with high stability is needed to guarantee the quality of carrier signal.
本文对新近研制的一种载波主群信号编码设备作技术介绍。
This paper gives a technical introduction ot a newly developed equipment for FDM master-group signal encoding.
一般来说,载波监测系统的建立应符合以下两个原则:一是监测系统的成本造价必须低于被监测设备;
Normally, the establishment of carrier monitoring system follows two principles:its cost must be lower than that of monitored devices;
目前,电力线数字载波通信设备已经在国内得到了广泛的应用。
Nowadays, power line digital carrier equipments have been used widely in China.
为了解决水文巡测设备中数据传输的可靠性,电力载波通讯中的单频阻波器技术被应用到巡测设备上。此法简单易行,稳定可靠。
Single - frequency resistance - wave technique has been introduced from power - driven carrier wave communication to patrol - measurement, thanks to its easy manipulation and stable reliability.
为了获得矿山井下移动目标(作业人员、矿车设备等)的运行轨迹,设计了一种基于电力线载波技术的井下移动目标跟踪系统。
To follow the moving targets (operational persons, mining equipment) in underground mining, an underground moving target tracking system based on power line carrier technology was developed.
公开一种在多输入多输出(MIMO)单载波频分多址(SC -FDMA)系统中用于执行上行链路传输的方法和设备。
A method and apparatus for performing uplink transmission in a multiple-input multiple-output (MIMO) single carrier frequency division multiple access (SC-FDMA) system are disclosed.
通信设备主要包括EPON通讯设备(olt、onu)及电力线载波通信机。
The communications equipment, including EPON communications equipment (OLT, ONU) and power line carrier communication equipment.
本文主要叙述在六十路电缆载波通信系统中,如何实现有人站对所辖大量无人站设备进行自动监视和测试——即自动遥测。
The automatic remote measuring system of the carrier communication is how to use a main station to control the unmanned carrier, remote substations.
移动设备包括反射器,将数据加载在与未调制载波对应的反射波上并进行反射波传输。
The mobile apparatus comprises a reflector and performs reflection wave transmission by carrying data on a reflection wave for unmodulated carrier.
移动设备包括反射器,将数据加载在与未调制载波对应的反射波上并进行反射波传输。
The mobile apparatus comprises a reflector and performs reflection wave transmission by carrying data on a reflection wave for unmodulated carrier.
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