... 无线寻呼系统 Radio paging system 无线 应用协议 Wireless Application Protocol WAP 无线专用芯片 Wireless Special-purpose Chip ...
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当专用标记阅读器在手臂附近晃动，无线电信号就会激活微芯片传送识别码，从而调出电脑数据库中该客户信息。
If a special tag-reader is waved near the arm, a radio signal prompts the chip to transmit an identification number which is used to call up information about the wearer in a computer database.
纯软件无线电是令人难以置信的处理器密集型应用，因此对移动设备意义不大(手机专用芯片计算能力不强)，但它提供了一些启示。
Pure software radio is incredibly processor-intensive, and therefore doesn't make sense for mobile devices (where dedicated silicon can consume less power), but it provides some inspiration.
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