Provided is an apparatus for determining the present position of a vehicle (1), by utilizing a visible-light communication system.
一种用于通过利用可见光通信系统确定汽车(1)的当前位置的设备。
Proposed an overall design project of visible light communication system based on white LED array source, had developed a prototype that can run actually.
本文分析对比了国内外可见光通信技术的研究现状，对基于白光LED阵列光源通信系统的若干关键技术进行了讨论。
The system includes internal communication subsystem, light prompt subsystem, urged the drovers system, video surveillance system, the operation is simple, be clear at a glance.
该系统包括内部通信子系统、灯光提示子系统、催场子系统、视频监控子系统，操作简单、一目了然。
PC, a key element in high rate optical fiber communication system, changes any input light polarization state into any desired output light polarization state.
偏振控制器PC是高速光纤通信系统研究中一个非常重要的器件，它可以将任意的输入光偏振态变换为任意形式的输出光偏振态。
Then in light of the actual situation of the network manufacturing laboratories introduces the wireless access and the code transmission about the communication of the DNC system.
介绍直接数字控制（DNC）网络系统的基本概念及构成，结合网络制造实验室的实际情况对DNC系统通信的无线接入方式和代码传输进行研究。
The inside and outside of our company have adequate light and equipped with communication system to ensure security guards and local law enforcement agencies to communicate;
公司内部和外部灯光充足，拥有外部和内部的沟通系统，确保和内部保安人员或当地执法部门的沟通；
In this paper, a high-sensitivity lightwave communication system is set up by using a mini-power near-infrared LED as a light emitter, a phototransistor as a photoelectric receiver.
本文采用小功率红外发光管作光源，用光敏二级管作光接收器件，建立了高灵敏度的光波通信系统。
The paper discusses the integration schemes for official communication and private communication and for clock system and passenger information system (PIS) of metro and light railway project.
本文主要对地铁轻轨项目公务通信与专用通信、时钟与乘客资讯系统整合进行了方案探讨。
A video display and a video display system capable of performing visible light communication without causing any trouble in a video image displayed at a predetermined frame rate.
本发明提供一种影像显示装置及影像显示系统，对以指定的帧频显示的影像不会产生影响而可以执行可见光通信。
Using ultraviolet fluorescent lamp as the light source, combining frequency modulation and demodulation technology can achieve a UV communication system with low date rates.
以紫外荧光灯为光源，结合调频和鉴频技术可实现低速率下的紫外通信。
The applications of information and automation technologies, communication system technologies in city subway, light rail and rail transport;
信息和自动化技术，通信信号技术在城市地铁、轻轨和轨道交通中的应用；
The atmosphere attenuation to 650 nm light and the dot whipping caused by air turbulence were analyzed. The signal transmission waveform and communication eye diagram of the system were recorded.
分析了大气对光信号的衰减以及大气湍流造成的光斑抖动对通信的影响，记录了系统的信号传输波形和通信眼图。
Power system Network Node thousands of mixed clouds, active power, reactive power flow, high harmonics, negative sequence current of the speed of light in the system-wide communication.
电力系统中网络结点千百个交织密布，有功潮流、无功潮流、高次谐波、负序电流等以光速在全系统范围传播。
Millimeter-wave transceiver front-end which has the advantages of small size, light weight and etc., is more suitable for modern military and communication system.
毫米波收发前端具有尺寸小，重量轻等优点，更适合现代军事系统的要求。
By Comparison with microwave communication, the advantages of the free-space laser communication system, such as big capacity, low power consumption, small volume and light weight, are introduced.
通信领域中激光通信技术由于自身的优越性得到了广泛的应用。通过将空间激光通信与微波通信比较，介绍空间激光通信的优点：大容量、低功耗及体积小、质量轻等。
By Comparison with microwave communication, the advantages of the free-space laser communication system, such as big capacity, low power consumption, small volume and light weight, are introduced.
通信领域中激光通信技术由于自身的优越性得到了广泛的应用。通过将空间激光通信与微波通信比较，介绍空间激光通信的优点：大容量、低功耗及体积小、质量轻等。
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