查询词典 wireless

Because of its cost-effective encryption and authentication framework, TESLA protocol is to be in line with the characteristic and security needs of wireless sensor networks to some extent.

TESLA协议凭借其低成本高效率的加密技术和认证框架，在一定程度上符合了无线传感器网络的特点和安全需求。

Because of its wireless characteristic, the security of the network is very important.

因为其无线的特点，网络的安全就成为一个非常重要的课题。

Actually this is not the only wireless charger for BlackBerry devices.

其实这并不是唯一的无线充电器黑莓设备。

SamSung electron only Lu Jixue of senior vice president represents district of big China of ministry of Wu, wireless career, 15 afore-mentioned mobile phones are the one part new product of the 2nd quarter of company only, expand of mobile market ceaselessly as Chinese 3G, samSung electron still will roll out more to fit the terminal product of Chinese market, in order to satisfy customer the diverse demand to communication and digital product.

三星电子专务、无线事业部大中华区高级副总裁卢基学表示，上述15款手机只是公司第二季度的一部分新产品，随着中国3G移动通信市场的不断扩大，三星电子还将推出更多适合中国市场的终端产品，以满足消费者对于通信和数字产品的不同需求。

With the rapid development of broadband wireless network technology, the problem of bandwidth is not any longer the choke point.

摘要随着宽带无线网络技术的飞速发展，在宽带无线网络中的带宽问题已经不再成为瓶颈，从而促使宽带无线网络上的各种业务向着实时的趋势发展。

This paper presents a new design scheme of temperature on-line monitoring system of high voltage circuit breaker based on wireless communication.

提出一种新型的基于无线通信的高压断路器温度在线监测系统的设计。

Then three candidate modulation schemes exploiting spatial dimensions are proposed. At last, the three modulation schemes are compared by power efficiency and bandwidth efficiency. It shows that spatial quadrature amplitude modulation scheme is appropriate for long distance wireless optical communications for its high bandwidth efficiency and spatial circular symmetry.

参照传统时域信号设计方案，提出了三种空间调制信号具体设计方案，并从带宽效率和功率效率两性能上进行了比较，结果表明正交幅度调制具有带宽效率高、功率效率低的特点，而且采用的信号点越多其带宽效率就越高，另外其空间信号图案还具有圆对称性，因此非常适合在空间带宽有限的远距离无线光通信中使用。

This thesis circumambience a hot topic in "single slice machine control the GSM mold piece receive and dispatch a message", elaborated a homologous GSM wireless terminal of design project, development method and development process, made use of 8 bit AT89S51s of Atmel company a single slice machine and Siemens company most the new generation GSM mold piece TC35i to carry out a GSM Mode which has a message to receive and dispatch function in the design is two prototypes.

本论文围绕"单片机控制GSM模块收发短信"这一热点课题，阐述了相应的GSM无线终端的设计方案、开发方法和开发过程，在设计中利用Atmel公司的8位AT89S51单片机和Siemens公司的最新一代GSM模块TC35i实现了一款具有短信收发功能的GSM Mode二原型。

This system transfers operation instructions formed from command centre to the operating rocket site by wireless communication , and realizes automatic azimuth and elevation circumvolution and automatic launch of the long range controlled rockets .

该系统将指挥中心形成的作业指令无线传递给作业火箭，实现了远程控制火箭的自动旋转和发射，较好地解决了火箭操作烦琐，参数设计不科学，作业记录不完整，指令传输慢等问题。

Wireless devices in civilian research and development, production and sales.

从事民用无线设备的研发、生产、销售。

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。