[1]李可,孙志国,宁晓燕,等.正交调制通信系统对多普勒频移响应分析[J].哈尔滨工程大学学报,2019,40(07):1361-1366.[doi:10.11990/jheu.201807048]
 LI Ke,SUN Zhiguo,NING Xiaoyan,et al.Analysis of Doppler frequency shift response in orthogonal modulation communication system[J].hebgcdxxb,2019,40(07):1361-1366.[doi:10.11990/jheu.201807048]
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正交调制通信系统对多普勒频移响应分析(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年07期
页码:
1361-1366
栏目:
出版日期:
2019-07-05

文章信息/Info

Title:
Analysis of Doppler frequency shift response in orthogonal modulation communication system
作者:
李可 孙志国 宁晓燕 刁鸣
哈尔滨工程大学 信息与通信工程学院, 黑龙江 哈尔滨 150001
Author(s):
LI Ke SUN Zhiguo NING Xiaoyan DIAO Ming
College of Information Engineering, Harbin Engineering University, Harbin 150001, China
关键词:
正交调制多普勒频移多进制数字相位调制信号多进制正交幅度调制信号高动态误符号率
分类号:
TN911.6
DOI:
10.11990/jheu.201807048
文献标志码:
A
摘要:
针对高动态场景下多普勒频移问题和缺少定量分析,该文以研究正交调制的多普勒频移响应机理为基点,对多普勒频移对正交调制系统的影响进行了研究,从星座图判决区间的角度推导了多进制数字相位调制信号和多进制正交幅度调制信号在多普勒频移下的误符号率公式。理论分析和实验结果表明:多普勒频移对正交调制的影响是星座的旋转,误符号率公式推导结果与实际误符号率基本相同,系统的性能随着调制指数和运动速度的增加而下降。在信噪比为20 dB时,多进制数字相位调制信号的抗多普勒频移能力要强于多进制正交幅度调制信号。

参考文献/References:

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[8] 孙志国, 徐天宇, 邓昌青, 等. 16-QAM信号的最佳干扰分析[J]. 哈尔滨工程大学学报, 2018, 39(7):1245-1250.SUN Zhiguo, XU Tianyu, DENG Changqing, et al. Analysis on optimal jamming against 16-QAM signal[J]. Journal of Harbin Engineering University, 2018, 39(7):1245-1250.
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备注/Memo

备注/Memo:
收稿日期:2018-07-11。
基金项目:国家自然科学基金项目(61401196).
作者简介:李可,男,硕士研究生;孙志国,男,教授,博士生导师;宁晓燕,女,讲师,博士;刁鸣,男,教授,博士生导师.
通讯作者:宁晓燕,E-mail:ningxiaoyan@hrbeu.edu.cn
更新日期/Last Update: 2019-07-04