一種分布式MIMO雷達(dá)正交波形和失配濾波器組聯(lián)合設(shè)計(jì)方法

徐磊磊; 周生華; 劉宏偉; 馬林; 嚴(yán)俊坤

doi:10.11999/JEIT170836

一種分布式MIMO雷達(dá)正交波形和失配濾波器組聯(lián)合設(shè)計(jì)方法

doi: 10.11999/JEIT170836

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(61401329, 61372134)，國(guó)家杰出青年科學(xué)基金(61525105)

計(jì)量
- 文章訪問(wèn)數(shù): 1585
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2017-09-01
- 修回日期: 2018-01-10
- 刊出日期: 2018-06-19

Joint Design of Distributed MIMO Radar Orthogonal Waveforms and Mismatched Filter Bank

Funds:

The National Natural Science Foundation of China (61401329, 61372134), The National Science Fund for Distinguished Young Scholars (61525105)

摘要

摘要: 針對(duì)分布式MIMO雷達(dá)正交相位編碼信號(hào)和其失配濾波器組分開(kāi)設(shè)計(jì)輸出的距離旁瓣電平仍然過(guò)高的問(wèn)題，該文提出一種正交相位編碼信號(hào)和失配濾波器組聯(lián)合設(shè)計(jì)方法。首先，以約束信噪比損失和最小化失配濾波組輸出的距離旁瓣電平為目標(biāo)，構(gòu)建聯(lián)合設(shè)計(jì)準(zhǔn)則。然后，根據(jù)最小p范數(shù)算法的理論，給出一種基于L-BFGS算法的雙最小p范數(shù)算法進(jìn)行求解。仿真結(jié)果表明，與分開(kāi)設(shè)計(jì)方法相比，該文方法輸出的距離旁瓣電平可以進(jìn)一步降低。
- 分布式MIMO雷達(dá) /
- 正交波形 /
- 失配濾波器組 /
- 聯(lián)合設(shè)計(jì)
Abstract: For the high Range Sidelobe Level (RSL) of designing distributed MIMO radar orthogonal phase coded waveforms and its mismatched filter bank separately, a joint design method of Orthogonal Phase Coded Waveforms and Mismatched Filter Bank (OPCW-MFB) is proposed in this paper. Firstly, by controlling signal-to-noise ratio loss and minimizing the RSL of mismatched filter bank output, the joint design criterion is formulated. Then, based on the theory of a least-pth minimax algorithm, a double least-pth minimax algorithm with the L-BFGS as its sub-algorithm is proposed to solve it. Numerical results show that compared with the separate design methods of OPCW-MFB, the proposed method can further suppress the RSL.
- Distributed MIMO radar /
- Orthogonal waveforms /
- Mismatched filter bank /
- Joint design

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參考文獻(xiàn)(20)

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