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文章摘要
基于FPGA的电力无线专网频谱感知系统
Spectrum Sensing system of power wireless private network based on FPGA
Received:May 09, 2020  Revised:May 18, 2020
DOI：10.19753/j.issn1001-1390.2020.24.006
中文关键词: LTE 230  数字信道化  频谱感知  FPGA
英文关键词: LTE 230  digital channelization  spectrum sensing  FPGA
基金项目:国家自然科学基金，41801261
Author NameAffiliationE-mail
Luo Yijun Wuhan University lyj@whu.edu.cn 
Du Ruihua* Wuhan University drh1992@163.com 
Yin Qi Wuhan University yin_daren@163.com 
Li Jin Wuhan Textile University lij@wtu.edu.cn 
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中文摘要:
      针对230 MHz频段的频谱感知实现，本文设计了基于AD9364及FPGA的硬件系统。为了实现较高的频谱分辨率，采用数字信道化的方法，增加FFT计算的点数，最终的频谱分辨率为100 Hz。系统中的频谱感知采取能量检测的方法，该方法有效且易于实现，当信噪比大于3 dBm时，可以判断该频谱被占用。数字信道化及FFT均在FPGA中实现，频谱拼接和能量检测则在MATLAB中实现。通过多次的仿真测试可以证明该系统有效。
英文摘要:
      
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