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基于QPSK的远程抄表系统

更新时间:2020-08-19 19:15:53 大小:162K 上传用户:songhuahua查看TA发布的资源 标签:qpsk远程抄表系统 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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传统人工抄表方式存在很多弊端,不利于人们日常生产生活的顺利进行。QPSK调制解调技术当前已发展得相当成熟而被广泛使用。针对此,研究设计基于QPSK的远程抄表系统,该系统由电压传感器、模数变换器、单片机完成对数据的采集和处理,再由串并转换电路和编码电路后产生最终的数字基带信号,最后采用QPSK调制解调方式调制发送并远程接收解调。本系统具有原理简明、成本低廉等特点,有一定的实用价值。

The way to traditional artificial table reading has a lot of disadvantages; it goes against people' s daily life. QPSK demodulation technology is very mature and widely used now. This paper aims to study and design the long-distance table reading system based on QPSK. The collecting and processing module of this system is made by the voltage sensor, the A/D converter and single-chip microcomputer, and the final digital baseband signal is produced by the circuit after converting and coding, then it uses QPSK demodulation to send and receive it. This system is simple and cheap, and has many other characteristics and certain practical value.

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基于QPSK的远程抄表系统.pdf 162K

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