The Research on Anti-interference Performance of Ambiguity Function Based Digital Communication System

被引：0
|
作者：
Han, Xiaodong [1 ]
Gao, Fei [1 ]
Fang, Jiacong [1 ]
机构：
[1] Beijing Inst Technol, Sch Informat Sci & Technol, Dept Elect Engn, Beijing 100081, Peoples R China
来源：
PROCEEDINGS OF THE 2015 4TH NATIONAL CONFERENCE ON ELECTRICAL, ELECTRONICS AND COMPUTER ENGINEERING ( NCEECE 2015) | 2016年 / 47卷
关键词：
Ambiguity function; the cutting area of ambiguity function; DS-BPSK system anti-interference performance;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Ambiguity function describes the measurement accuracy, resolution capability and ambiguity degree of signal delay and Doppler frequency shift, which can be used to analyze the resolution of adjacent targets and anti-interference performance of the system. In this paper, the binary digital modulation communication systems are considered, ambiguity function of the Direct Sequence - Binary Phase Shift Keying (DS-BPSK) is derived, and the performance of the signal interference is measured by the size of cutting area for ambiguity function. For 31 and 255 bits m-sequence spread-spectrum codes, the ambiguity functions are simulated. We conclude that the narrower the cutting area of ambiguity function the sharper the main lobe, the larger the resolution signal, and the stronger the anti-interference ability.
引用
收藏
页码：600 / 606
页数：7
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