Orthogonal Frequency Division-Nonlinear Frequency Modulation Waveform Design for MIMO Radar

ZHAO Wei; ZHAO Yong-bo; LI Hui; LIU Zheng

doi:10.3969/j.issn.0372-2112.2014.11.032

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Orthogonal Frequency Division-Nonlinear Frequency Modulation Waveform Design for MIMO Radar

更新时间：2025-07-16

- Orthogonal Frequency Division-Nonlinear Frequency Modulation Waveform Design for MIMO Radar
- Acta Electronica Sinica Vol. 42, Issue 11, Pages: 2331-2336(2014)
- 作者机构：
  
  西安电子科技大学雷达信号处理国家重点实验室,陕西,西安,710071
- 作者简介：
- 基金信息：
  
  Fundamental Research Funds for the Central Universities (No.K5051202047)
- DOI：10.3969/j.issn.0372-2112.2014.11.032
  CLC： TN957
- Published：2014
- 稿件说明：
移动端阅览
ZHAO Wei, ZHAO Yong-bo, LI Hui, et al. Orthogonal Frequency Division-Nonlinear Frequency Modulation Waveform Design for MIMO Radar[J]. Acta Electronica Sinica, 2014, 42(11): 2331-2336.
DOI：

ZHAO Wei, ZHAO Yong-bo, LI Hui, et al. Orthogonal Frequency Division-Nonlinear Frequency Modulation Waveform Design for MIMO Radar[J]. Acta Electronica Sinica, 2014, 42(11): 2331-2336. DOI： 10.3969/j.issn.0372-2112.2014.11.032.

摘要

正交波形是多输入多输出雷达应用最广泛的波形

评价波形正交性好坏的重要指标是波形的自相关和互相关性能.针对正交频分线性调频信号的自相关存在主副比低且加窗抑制旁瓣会带来主瓣展宽和失配损失的问题

本文提出了正交频分非线性调频信号的模型和设计方法.仿真分析证明了该种波形比正交线性调频信号具有更好的相关性能.

Abstract

Orthogonal waveform is the most widely used waveform in multiple input multiple output (MIMO) radar systems.The good performance in both auto-correlation and cross-correlation of transmitted orthogonal waveform is crucial for MIMO radar.In order to overcome the deficiency in auto-correlation performance of orthogonal frequency division-linear frequency modulation (OFD-LFM) signals

this paper proposes the model of orthogonal frequency division-nonlinear frequency modulation (OFD-NLFM) signals.The design method of OFD-NLFM signals for MIMO radar is also presented.Simulation results show that OFD-NLFM signals have better performance in both auto-correlation and cross-correlation compared with OFD-LFM signals.

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