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基于循环前缀的相位编码OFDM雷达多普勒频移估计和补偿

赵晶晶 霍凯 刘永祥 杨小琪

赵晶晶, 霍凯, 刘永祥, 杨小琪. 基于循环前缀的相位编码OFDM雷达多普勒频移估计和补偿[J]. 电子与信息学报, 2017, 39(4): 938-944. doi: 10.11999/JEIT160549
引用本文: 赵晶晶, 霍凯, 刘永祥, 杨小琪. 基于循环前缀的相位编码OFDM雷达多普勒频移估计和补偿[J]. 电子与信息学报, 2017, 39(4): 938-944. doi: 10.11999/JEIT160549
ZHAO Jingjing, HUO Kai, LIU Yongxiang, YANG Xiaoqi. Cyclic Prefix Based Phase-coded OFDM Radar Doppler Offset Estimation and Compensation[J]. Journal of Electronics & Information Technology, 2017, 39(4): 938-944. doi: 10.11999/JEIT160549
Citation: ZHAO Jingjing, HUO Kai, LIU Yongxiang, YANG Xiaoqi. Cyclic Prefix Based Phase-coded OFDM Radar Doppler Offset Estimation and Compensation[J]. Journal of Electronics & Information Technology, 2017, 39(4): 938-944. doi: 10.11999/JEIT160549

基于循环前缀的相位编码OFDM雷达多普勒频移估计和补偿

doi: 10.11999/JEIT160549
基金项目: 

国家自然科学基金(61501481, 61422114),湖南省杰出青年基金(2015JJ1003)

Cyclic Prefix Based Phase-coded OFDM Radar Doppler Offset Estimation and Compensation

Funds: 

The National Natural Science Fundation of China (61501481, 61422114), The Natural Science Fundation for Distinguished Yong Scholars of Hunan Province (2015JJ1003)

  • 摘要: 相位编码正交频分复用(PC-OFDM)雷达是近年来新体制雷达研究热点之一。该雷达信号对正交多载频进行相位调制,同时具有距离、多普勒高分辨。然而,PC-OFDM雷达对多普勒频偏较为敏感,该文研究了PC-OFDM雷达基于循环前缀(CP)对多普勒频偏进行估计,并基于估计值对频偏进行补偿,再进行脉冲压缩。仿真实验证明,该文方法能有效改善多普勒频偏所带来的1维距离像结构破坏和旁瓣抬升。
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出版历程
  • 收稿日期:  2016-05-28
  • 修回日期:  2016-12-13
  • 刊出日期:  2017-04-19

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