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- This article introduces development of the power line communication equipment at the digitize time. 对电力线载波通信设备在数字化发展方面作了一定的说明。
- With the application of the spread spectrum carrier and the power line communication,this system has such advantages as reliable transmission,low cost and high practicality. 由于采用扩频载波和电力线通信技术,因此该系统具有传输可靠、成本低廉和布线资源广泛等特点,并且具有很好的实用性。
- The power line communication 电力线载波
- Power line communication (PLC) uses power line as communication media for data transmission and information exchange. 电力线通信(Power Line Communication,PLC)是指以电力线作为媒质进行数据、信息的传输和交换。
- So the best scheme is ARQ error control in power line communication using data error control protocol. 本文提出了以随机数确定传输数据顺序、用单向哈希函数对数据进行运算、用一次性加密方法对哈希值和随机数进行加密的数据加密解决方案。
- Reliability of power line communication(PLC) over low-voltage network(LVN) limits badly the application scale of PLC in practice. 分析了电力线通信技术的原理与实现方法,指出了电力线通信技术在农业信息化中的应用前景。
- In view of the defect of big noise and signal attenuation which lie in LV power line communication, it applies DSSS communication technology. 针对低压电力线载波通信中存在的背景噪声大、信号衰减大等缺点,采用了直序扩频通信技术。
- The paper analyses the power line carrier communication channel and a kind of alarming net system on ST7536 is designed. 摘要本文对电力线载波信道进行了分析,并结合ST7536接口芯片设计了一种报警系统。
- Compared with traditional monitoring system of coal mine,integrated monit oring system of coal mine based on power line communication technology has great er competing power. 与传统的煤矿监控系统相比,基于电力线通信的煤矿综合监控系统具有更强的市场竞争力。
- High winds have damaged the power lines. 强风已毁坏了电缆。
- Disconnect the power line before changing accessories and when not in use. 更换配件,要先断开电路连接,或在不使用时。
- The presence of communication packets on the power line from a neighboring household can become significant in multifamily dwellings such as apartment buildings. 通信小包出现在输电线从一个邻居家庭可能变得重大在多家庭住宅例如公寓。
- He Haibo, Zhang Youbing, Cheng Shijie.Analysis of reflection of signal transmitted in low voltage power line communication with complex wavelet[J].Proceedings of the CSEE, 2002, 22(6): 11-15. [1]何海波;张有兵;程时杰.;低压电力线载波通信中信号反射现象的复小波研究[J]
- The way of data transmission is adopted by combining wire communication with wireless communication,UHF/VHF wireless network in whole,and power line communication and serial communication in part. 系统采用无线通信与有线通信相结合的 方式,即总体采用UHF/VHF无线网,局部采用电力载波和串 行通信传输。
- He misdeemed the power of the opposition. 他对对方的实力作了错误的估计。
- The impulse noise is the greatest barrier existed in power line communication, which can lead to high bit error rate (BER).It is necessary to consider adopting complicated channel coding technology. 摘要脉冲噪声是电力线通信中存在的最大障碍,造成信号的误码率(BER)高,必须考虑采用复杂的信道编码技术。
- Is it safe to site the power station here? 在这建造发电厂安全吗?
- Variable Power Laser Emission technology to optimally adjust emission energy;multi-media network OWPLC/OWOFPLC which combines Optical Wireless Communication with low-cost Power Line Communication. 优化调整发射能量消耗的激光变功率发射技术,将无线光通信与低成本的电力线通信相结合的OWPLC/OWOFPLC多介质传输网。
- His illness left him without the power of speech. 他病後丧失了说话能力。