Ambiguity function analysis of OFDM radar signals

被引：0
|
作者：
Zhang, Wei [1 ]
Tang, Xi-Yuan [2 ]
Gu, Hong [1 ]
Su, Wei-Min [1 ]
机构：
[1] School of Electronic Engineering and Optoelectronic Technology, NUST, Nanjing 210094, China
[2] School of Microelectronics, Shanghai Jiao Tong University, Shanghai 200240, China
来源：
Nanjing Li Gong Daxue Xuebao/Journal of Nanjing University of Science and Technology | 2011年 / 35卷 / 04期
关键词：
Orthogonal functions - Signal analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
To address the problem of waveform design, the periodic ambiguity function of orthogonal frequency division multiplexing(OFDM) radar signals is derived and its relationship with the modulating sequences is indicated. Multiple-period ambiguity function is further studied and the characteristics of the side-lobe are analyzed. A corresponding coherent pulse train processing method is proposed to reduce the Doppler side-lobe. Simulation results of Barker codes modulated OFDM radar signal are presented. This approach requires no direct computation of the modulated signals and the ambiguity is derived from the modulating sequence.
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页码：513 / 518
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