查询词典 wireless telegraphy

Here are some general guidelines to follow in setting up your wireless network.

这里有一些普遍遵循的准则，在设置你的无线网络。

Scanning cigarette cases with hand-held wireless scanner in distribution station was laboursome and mistakable, the problems of low scanning efficiency and high error rate were solved by setting fixed scanners on two sides of a distributing conveyor combined with RS-232 serial communication and OPC technologies.

使用手持无线扫描仪对发货的成品烟进行扫描，该方式劳动强度大，且容易出错。为此，通过在成品发货输送轨道两侧安装固定扫描器，利用RS-232串口通讯技术、OPC技术等解决了传统发货扫描效率低、易出错的问题。

Due to the rapid development of wireless communication, the online shopping through handhold' devices becomes a common consumptive behavior.

由於无线通讯快速地发展，使用行动通讯设备上网购物的方式，成为一种普遍的消费行为。

In a remote unit (50) of a slotted mode wireless communication system, the handoff performance is improved.

在时隙模式无线通信系统的远端单元(50)中，改善了切换的性能。

One of the characters of wireless mobile network is mobile handoff, which leads to very large performance degradation to TCP.

无线移动网络的一个重要特征是移动切换，切换对TCP的性能有很大的影响。

Handspring's newest device family is the Treo, which combines three functions into one compact unit: a GSM cellular phone, wireless access for messaging and web browsing, and a Palm OS personal organizer.

Handspring的最新设备成员是Treo，它在一个紧凑的单元里结合了三项功能：GSM蜂窝电话、无绳访问信息和网络浏览和一个Palm OS个人管理者。

But conventional wireless communication platforms are so dependent on the hardware that it is not flexible and not extendible and doesnt meet the need of development. Due to the development of micro-electronics technologies and the development of large scale integrate circuits, the performances of digital signal processors are greatly improved.

这种硬件上的差异使得传统无线通信平台往往过多的依赖硬件，不够灵活，不利于功能的扩展与升级，难以满足发展的需要。

However, video of multimedia service will be harmfully influenced from high variation of usable bandwidth and lack of QoS guarantee over widespread Internet and wireless network.

然而，在网际网路或无线网路中均具有可用频宽高变动性及欠缺服务品质保证的特性，对於视讯多媒体服务的提供将造成十分负面的影响。

The impedance ratio and the meander could control the frequency of the second harmonic and the baseband ratio. According to that,we analyze several kinds of stepped impeedance resonator and use them to design the dual-band bandpass filters.In the thsis , The proposed bandpass filters and dual-band bandpass filters are designed for IEEE 802.11a/b wireless communicatuon system.

双频带带通滤波器是利用步阶阻抗谐振器之阻抗比与传输线之折线，可用来控制第二次谐波的频率与基频通带的比值，藉由改变阻抗比，来求得所要的第二次谐波，利用此特性，其中分析了几种不同形式的步阶阻抗谐振器，皆可用来设计双频带带通滤波器，带通滤波器与双频带带通滤波器是针对IEEE80211a与IEEE802.11b无线区域网路所设计。

To support secure group communications in resource constrained wireless sensor networks, We propose an efficient and scalable key management scheme which only uses symmetric cryptographic algorithms and hashing function. This scheme can achieve forward and backward security.

为了在有限资源的无线传感器网络能安全进行群组通讯，本文只使用对称加密算法和单向哈希函数提出了一种具有有效性和扩充性的组密钥管理方案，并可满足前向和后向安全性。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼