中圖分類號： TN95 文獻標識碼： A DOI：10.16157/j.issn.0258-7998.200561 中文引用格式： 蘇宇航,，陳朝,，翟鄀，等. 一種降低新型OFDM數(shù)據(jù)鏈誤碼率的方法[J].電子技術(shù)應(yīng)用,，2021,，47(3)：44-50. 英文引用格式： Su Yuhang，Chen Zhao,，Zhai Nuo,，et al. A way of decreasing the reliability of new OFDM data link[J]. Application of Electronic Technique，2021,，47(3)：44-50.
A way of decreasing the reliability of new OFDM data link
Su Yuhang,，Chen Zhao，Zhai Nuo,，Jing Shiqi
School of Mechanical and Electronic Information,，China University of Geosciences Wuhan，Wuhan 430000,，China
Abstract： A new OFDM data link model based on OCML is proposed to solve the problem of reliability of data link of air-to-ground radar. The above model uses OCML spatiotemporal chaotic sequence to improve CCSK soft spread spectrum, and simulates with coding and modulation techniques. Simulation analysis shows that the new OFDM data link model based on OCML can effectively improve the reliability of pseudorandom sequences in CCSK due to poor autocorrelation, significantly improve the bit error rate of the system and effectively improve the reliability of air-to-ground radar data chain.
Key words : air-ground radar data link,；RS coding；CCSK,；OCML,；OFDM
