蜂窝电话

蜂窝电话定位系统技术与性能分析

Technology and Performance Analysis of the Cellular Phone Location System

蜂窝电话用锂离子电池标准分析对比

Analysis and Comparison of Standards of Li Ion Battery for Cellular Phone

引言在通信系统中，例如IP电话、可视电话及免提数字蜂窝电话系统中，回声和噪声会严重影响通信质量。

IntroductionIn the communication systems , echo and noise will seriously affect speech communication quality , such as IP telephone , videophone and hand-free digital cell phone systems etc.

它在IP电话、可视电话及免提的数字蜂窝电话等扬声器/传声器通信系统中也具有广阔的应用前景。

It has also widely promising applications for speaker / microphone communication systems , such as IP phone , videophone and hand-free digital cellular telephony system , and so on .

蜂窝电话和无线局域网（WLAN）为双频宽带天线提供了广阔的应用平台。

The quick development of cellular telephone and wireless local area network ( WLAN ) provides broad platform for wideband dual-frequency antenna .

为蜂窝电话设计选择LDO

The Selection of LDO Regulator for Cell Phone Design

当本地MSC不能识别某个蜂窝电话时，就会用到VLR。

The VLR is used when a cellular telephone is not recognized by the local MSC .

声表面波（SAW）器件作为级间滤波器及天线双工器而广泛地用于便携电话和蜂窝电话的中频（IF）和射频（RF）电路，因此，解决功率持久性和长期稳定性问题十分重要。

SAW devices are widely used in IF or RF circuits of portable and cellular phones as inter-stage filters or antenna duplexers . Therefore , power durability and long-term stability are very important .

J2ME是一种高度优化的Java运行环境，主要针对消费类电子设备的，例如蜂窝电话、可视电话、数字机顶盒和汽车导航系统等等。

J2ME is a highly optimized Java runtime environment , mainly for consumer electronics devices , such as cellular phones , video phones , digital set-top boxes , car navigation systems and so on .

JXTA是一套开放的协议，是对P2P的协议的总结概括。它能使网络上相连的任何设备（从蜂窝电话到PDA，从PC机到服务器）作为节点来通信和协作。

JXTA is a set of open , generalized Peer-to-Peer ( P2P ) protocols that allow any connected device on the network , from cell phone to PDA , from PC to server , to communicate and collaborate as peers .

蜂窝电话公司提供蜂窝服务的实际区域。

The actual area in which a cellular company provides cellular service .

他们不知道我租了蜂窝电话。

They don 't know I 've hired a cell-phone .

难怪蜂窝电话如此热门。

No wonder cellular phones have become so popular .

这种时髦的蜂窝电话有灵活的语音拨号功能。

This sleek cell-phone has voice activated dialing .

摩托罗拉推出世界上最轻的蜂窝电话

World 's Lightest Cellular Phone Introduced by Motorola

高性能模拟开关改进蜂窝电话设计

High-Performance Analog Switches Improve Cell Phone Design

克服蜂窝电话发展带来的挑战

Overcoming the challenges in cellular handset development

美国人通常称之为蜂窝电话的手机对你有多重要？

How important is your mobile phone , better known to Americans as a cell phone ?

在过去几十年中，移动手持设备包括蜂窝电话已经变得非常普及。

During the past decades , the mobile hand-held devices including cellular phones have become very popular .

微电子技术与蜂窝电话

Microelectronic Technology and cellular phone

策略是瞄准美国市场，而不是中国市场，采用美国蜂窝电话标准。

Strategy has been to target US market rather than China by adopting US cell phone standards .

蜂窝电话运营商提出的一个术语。意思是任意给定时间可以使用的分钟数。

A term introduced by the cell phone business to mean minutes that could be used any time .

蜂窝电话用金属氢化物镍电池、镉镍电池新旧标准分析对比

Analysis and Comparison between New and Old Standards of Metal Hydride Nickel Battery and Cadmium-Nickel Battery for Cellular Phone

本文以蜂窝电话为例阐述了微电子技术在此进程中所起的重要作用。

Taking cellular phone for example , this article expounds the important role that microelectronic technology played in this course .

但四层的屏蔽圆柱在阻止当地强大的广播和电视信号以及蜂窝电话时是有效的。

The four-layer shielded cylinder WAS effective in blocking even strong local radio and TV signals , and cell phone operation .

而无线电技术则通过蜂窝电话使得移动电话应用于商业和企业的电子化。

And wireless technology , which through the cell phone has added a mobile dimension to - commerce and enterprise computing .

用处于移动蜂窝电话信号覆盖范围内的居民数除以总人口就可算出。

This is calculated by dividing the number of inhabitants within range of a mobile cellular signal by the total population .

虽然过去18个月的开发已大改进了此项技术，但服务常常仍不如蜂窝电话（即大哥大）好。

While 18 months of development have improved the technology significantly , service still is often no better than that of a cellular phone .

移动蜂窝电话人口覆盖率度量的是处于移动蜂窝电话信号覆盖范围内的居民百分比，而无论其是否是用户。

The mobile population coverage measures the percentage of inhabitants that are within range of a mobile cellular signal whether or not they are subscribers .

如果每个人都要买一个蜂窝电话发射台才能使用移动电话的话，那还有多少人能用得起移动电话呢？

If each person had to buy a cell phone tower just to use a mobile phone , how many people would have mobile phones ?