It can be a reference of restraining noises of medium-voltage power line.
为中压配电网通信噪声抑制提供参考。
Firstly, this paper advanced a control system based on the low-voltage power line carrier.
首先,论文提出了一种基于低压电力线载波技术的总线式控制网络。
A circuit used to transmit data on low voltage power line is designed and presented in this paper.
本文作者设计了用于在低压电力线上进行数据传输的电路模块。
At last it proposed the application and expectation of low-voltage power line communications in h...
最后提出了它在家庭网络中的应用和展望。
Channel estimation is researched for OFDM system in low-voltage power line communication in this paper.
本文主要研究基于OFDM的低压电力线通信信道估计算法。
At last it proposed the application and expectation of low-voltage power line communications in Home Networking.
最后提出了它在家庭网络中的应用和展望。
The communication system model is set up with MSK and double-pathway spread spectrum for low voltage power line.
基于该模型,研制了低压电力线的MSK双路扩谱通信电路系统。
The paper is about the hardware circuit & working principle of meter based on the low voltage power line carrier.
本文给出了一个基于低压电力线载波技术的电参数测量仪的硬件系统。
The data communication hardware and software of low-voltage power line based on coding method are built on RISE3201.
在编码方法的基础上搭建基于RISE3201低压电力线数据通信硬件和软件部分。
Therefore, there is a wide foreground for the study and application of low-voltage power line communication technology.
因此,研究、开发和应用低压电力线载波通信技术具有非常重大的意义和十分广阔的前景。
The characteristics of power line channel are the foundation of designing the low voltage power line carrier communication system.
低压电力线信道特性是设计低压电力线载波通信系统的基础。
Even scientists who have failed to find a reason for the apparent link refuse to say it is safe to live near a high-voltage power line.
即便是没有找到明显致病证据的科学家也拒绝声明住在高压线附近是安全的。
This system is easily to achieve by using low cost hardware and an economical communication scheme to realize AMR on low-voltage power line.
该系统具有成本低、易实现等特点,是一种可以用于实现自动抄表的经济可靠的低压电力线载波通信系统。
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。
Automatic meter reading system on low voltage power line is composed of devices collecting the information of ammeter, channels and web servers.
低压电力线自动抄表系统主要由采集电能表信息的集中器、信道和主站等设备组成。
It is proved by experiment and analysis strategy is feasible, and the circuits feature is appropriate to transmit data on low voltage power line.
实验结果证明,笔者提出的方案是正确可行的,电路模块的性能也很好,适用于低压电力线上传播数据。
The paper explores and makes research on low-voltage power line network communication and channel coding techniques to achieve power line communication.
针对目前基于低压电力线网络通信信道编码技术进行了探讨与研究,并在此基础上实现了电力线通信。
According to the characteristics of low voltage power line, the automatic relay routing algorithm with relay constraints is employed in user data receiving.
同时依据低压电力线的特点,采用具有中继约束条件的自动中继路由算法实现用户电量的抄收。
In order to improve the practicability of the low voltage power line carrier communication (PLCC) some high level communication protocols should be applied.
为了提高低压电力线载波通信的实用性,需要配合使用合适的高层通信协议。
OFDM technique has been the mainstream in low-voltage power line communication because of its good capability against interference and high transmission rate.
OFDM技术以其抗干扰性强,传输速率高成为低压电力线高速通信的主流技术。 信道估计算法是OFDM系统接收端的关键技术之一。
Due to many advantages of Orthogonal Frequency Division Multiplexing technique, it becomes the best choice for low-voltage power line broadband communication.
正交频分复用技术以其多种优势成为低压电力线宽带通信的最佳选择,信道估计是正交频分复用系统的关键问题之一。
The device has the function of intelligence identify and online surveillance and gets the great effect to keep away accident of extra high voltage power line.
使用该套装置,达到了智能识别、及时报警和实时的视频监控功能,对超高压输电线路的事故防范起到了极大的促进作用。
For ultra high-voltage power line, along with the heightening of the power line tower the probability of OPGW suffering from lightning strike becomes augmented.
在特高压系统中,随着电力杆塔的增高,OPGW受雷击的概率将增大。
Finally, a practical calculation example of clamping the voltage of low voltage power line under the surge and effusion surge current by metal oxide varistor is given.
最后计算了在交流电源中用氧化锌压敏电阻对浪涌进行限幅和泻流的一个实例。
The system requires two improvements: (1) the ability to counter the severe communication condition of low-voltage power line and (2) the ability to transmit music signal.
系统还需要在两个方面进行改进:(1)抵抗低压电力线恶劣通信状况的能力;(2)适合于音乐信号的传送。
This paper analyses channel properties of low-voltage power line channels. Aiming at the slow-variant and complex noise of channel, an estimation algorithm is put forward.
分析了低压电力线信道特性,针对信道慢时变特性及噪声复杂的特点,提出一种适用于低压电力线通信信道的直接决策估计算法。
The low-voltage power line channel properties are analyzed in this paper and a decision feedback channel estimation method is proposed on condition of slow time-variant of channel.
该文分析了低压电力线信道特性,利用信道慢时变的特点提出一种适合于电力线信道的判决反馈信道估计方法。
The low-voltage power line channel properties are analyzed in this paper and a decision feedback channel estimation method is proposed on condition of slow time-variant of channel.
该文分析了低压电力线信道特性,利用信道慢时变的特点提出一种适合于电力线信道的判决反馈信道估计方法。
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