Orthogonal Frequency Diversity Waveform with Range-Doppler Optimization for MIMO Radar

被引：30
|
作者：
Gao, Caicai [1 ]
Teh, Kah Chan [1 ]
Liu, Aifei [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
IEEE SIGNAL PROCESSING LETTERS | 2014年 / 21卷 / 10期
关键词：
Autocorrelation; cross-correlation; frequency diversity waveform; mimo radar; range-doppler optimization; DESIGN; SYSTEMS;
D O I：
10.1109/LSP.2014.2329944
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, we modify the transmitted signal of the discrete frequency coding waveform with linear frequency modulation (DFCW-LFM) for multiple-input multiple-output (MIMO) radar from contiguous subpulses to an inconsecutive pulse train. The range-Doppler map is obtained by performing fast Fourier transform (FFT) after the transmit beamformer to detect the moving target. The cost function of the genetic algorithm used to optimize the carrier frequency sequence is obtained by minimizing both the range-Doppler sidelobes and cross-correlation peaks. Compared with the DFCW-LFM, the proposed waveform has lower autocorrelation sidelobes and cross-correlation for the delay within the subpulse duration.
引用
收藏
页码：1201 / 1205
页数：5
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