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低压电力线多载波FSK信号发送电路的实现

更新时间:2020-09-02 17:00:27 大小:2M 上传用户:xiaohei1810查看TA发布的资源 标签:fsk信号 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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文章针对低压电力线线路的恶劣信道条件。在传统的2FSK调制方式基础上提出多载波FSK的通信系统方案。该方案结合了分集接收技术。以达到有效改善传输可靠性的目的。本设计利用Matlab仿真出多载波FSK的发送波形,并在dsPIC芯片平台上搭建了信号发送电路,该电路采用数字方式产生多载波FSK信号波形,与传统的模拟方式采用振荡器产生信号的方法不同。经过对比,产生的发送信号波形与仿真结果一致,能够满足设计要求。

According to bad channel conditions of low-voltage power line, this paper proposes a communication system solution using the multi-Carrier FSK technology based on the traditional 2FSK modulation mode. The solution uses the diversity reception technique in order to improve the reliability of system transmission effectively. The system simulates multi-carrier FSK transmission wave form through the Matlab software, builds a signal transmission circuit based on the dsPIC platform. The solution generates the multi-carrier FSK signal waveform in a digitalized way, which is different from the traditional one which using the oscillator. Comparison results show that the transmitted signal waveform is the same as the simulated one, and can meet t...

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低压电力线多载波FSK信号发送电路的实现.pdf 2M

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