查询词典 wireless

The theory of wireless power transmission and wireless communication and the design of wireless transceiver are discussed first.

本文介绍了微波无线电能传输与通信系统的分析研究以及系统的硬件实现和调试。

Based on the key tree and the Chinese remainder theorem, a leveled group key management scheme in wireless networks is proposed. An efficient stateless and leveled group key management scheme focusing on the revocations of wireless nodes is also presented. The security, flexibility, and adaptability of these two schemes in wireless networks are analyzed.

针对无线网络的特点建立了一种基于密钥树和中国剩余定理的分级群组密钥管理方案，针对无线节点容易被捕获的问题提出了一种能够有效解决密钥撤销的无状态分级群组密钥管理方案，并且着重分析了这两种方案在无线网络中的安全性、可扩展性和适用性。

In this article,the problems of wireless communication and control in smart home based on wireless radio frequency are discussed and the project of network communications and control terminal system in smart home,constructed by wireless RF technique,is introduced.

目的 针对智能家居的特点，研究基于无线射频技术的智能小区无线通信与控制问题。

In order to meet the band on the existing system in the expansion of wireless broadband data capability, as well as in the wireless data systems carrying all types of application services, the development of the cdma 2000 1x ev-do rev, o/a/b standard.3 in order to meet the different band / broadband, wireless broadband capability requirements and the needs of the evolving system based on ofdma technology developed umb standard.

伴随着国内运营商的重组，cdma技术重新受到国内的关注，目前，总的来说cdma技术的演进主要包括一下三个方向。1 考虑到cdma2000 1x网络自身演进的要求，制定了cdma2000 1x后续标准。2 为了满足系统在现有频段上扩展无线宽带数据能力以及在无线数据系统上承载各类应用服务的需要，制定了cdma 2000 1x ev-do rev，o/a/b标准。3 为了进一步满足在不同频段/宽带上无线宽带的能力的要求和系统演进的需要，基于ofdma技术制定了umb标准。

If the wireless network deployment density is high enough, it can be carried out through a wireless network wide variety of applications, especially including government services, network information and real-time message, are the wireless network can provide value-added features.

如果无线网络布建密集度够高的话，就可以通过无线网络进行各式各样的应用，尤其是包括政府服务、网络信息与实时消息等，都是无线网络可以提供的加值功能。

Integrating technology in fields such as sensing,MEMS,wireless communication and parallel information processing,wireless sensor networkscan easy realize the purpose of temperature monitoring totally in real time through integrate micro sensors. After information is acquisited,the embedded module processes the signals and then the data is sent out to the terminal through self-organized wireless networks.

中文摘要：无线传感器网络综合了传感技术、MEMS技术、无线通信技术和分布式信息处理技术等，能够通过各类集成化的微型传感器，实时、全方位地监测被测对象的信息，通过嵌入式系统对信息进行处理，并通过自组织无线通信网络，以多跳中继方式将所感知信息传送到终端。

With the development of mobilephone, Bluetooth earphone, wireless network card, wireless router and wearable computers are frequently used near the human body. Quite soon we will see a wide range of unobtrusive wearable and ubiquitous computing equipment integrated into our everyday wear and the body-centric wireless network equipment will be studied bloomingly.

随着手机、蓝牙耳机、无线网卡、无线路由器、可穿戴计算机等在人体附近使用的无线设备的逐渐普及，对于人体中心无线网络技术的研究也在不断升温。

Come and meet us and 10 of our French hi-tech businesses on the Montpellier Languedoc-Roussillon Stand in Hall 8:COMPART : Fire Resistant ProtectionCORONIS SYSTEMS : Ultra Low Power wireless networksEMITECH : Electrical and electronics products certificationFOGALE NANOTECH : Precision measurement instrumentationGENESYS : audio, web et video conferencing systemsIMECA : Food processing equipmentINTERACTIVE DEVICE : wireless hardware productsLIGHTNICS : software editorSANGUINE MICROELECTRONICS : reverse engineering TMI ORION : wireless data loggers for harsh environmentsVKS : keyboards and systems

与我们一同前来2004年中国高新技术成果交易会的11家高新技术企业：COMPART ：新型防火材料CORONIS SYSTEMS ：无线数据传播产品EMITECH ：电器及电子产品证书FOGALE NANOTECH ：纳米测量仪器GENESYS：音频、视频及网络会议服务IMECA：农业加工工程INTERACTIVE DEVICE：无线通讯设备LIGHTNICS：数字图像改良软件SANGUINE MICROELECTRONICS：芯片反向分析TMI ORION：工业及环境严格测量仪器VKS：可设置专用键盘

In the article, it briefly analyzes the necessity of monitoring the hydric parameters and the development status of monitoring system about the electronic power, then a real-time monitoring system for generator hydric parameters is presented, which applies the configuration software MCGS, radio-communication SMS, Modbus protocol and RS-485 bus .in the design of the system, MCGS is used to configurate the interface of superordinate computer and the device component of the wireless communication is authorized by Visual Basic; the transmitting and receiving flow through GSM(Global System for Mobile communication)in the way of SMS. The design of the smart communication module, which based on the RS-485 bus and Modbus protocol and the wireless communication interface module, which is connected with the wireless terminal based on Siemens TC35, are also expounded.

该方案利用MCGS组态软件进行上位机监控界面的组态；利用Visual Basic语言进行上位机无线通信设备构件的编制；并利用SMS通过全球移动通信系统GSM(Global System for Mobile Communication)网络实现报警等数据的无线传输；以Flash型超低功耗16位单片机MSP430F149作为通用通信模块控制器核心，开发出了基于RS-485总线模式和Modbus通信协议的远程数据采集模块，以及基于Siemens TC35的无线终端相连的无线通信接口模块。

IPv6 routing algorithms in wireless sensor networks In wireless communication, energy consumption grows exponentially with the incensement of distance. Sensor nodes are usually equipped with limited energy and wireless sensor network coverage is usually very large.

3无线传感器网络中基于IPv6的路由算法无线通信的能量消耗随距离的增加而指数级增长，考虑到传感器节点的能量限制和网络覆盖区域大，无线传感器网络采用多跳路由的传输机制。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。