米波MIMO雷達(dá)低空目標(biāo)波達(dá)方向估計(jì)新方法

劉源; 王洪先; 糾博; 嚴(yán)俊坤; 趙永波; 劉宏偉

doi:10.11999/JEIT150555

米波MIMO雷達(dá)低空目標(biāo)波達(dá)方向估計(jì)新方法

doi: 10.11999/JEIT150555 cstr: 32379.14.JEIT150555

基金項(xiàng)目:

國家自然科學(xué)基金(61271291, 61201285)，中央高?；究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)資金

計(jì)量
- 文章訪問數(shù): 1545
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2015-05-11
- 修回日期: 2015-11-20
- 刊出日期: 2016-03-19

A New Method for DOA Estimation for VHF MIMO Radar in Low-angle Tracking Environment

Funds:

The National Natural Science Foundation of China (61271291, 61201285), Fundamental Research Funds for the Central Universities

摘要

摘要: 針對(duì)米波多輸入多輸出(Multiple Input Multiple Output, MIMO)雷達(dá)在反射面高度未知情況下對(duì)低空目標(biāo)測角困難的問題，該文提出一種基于縮放字典的目標(biāo)仰角估計(jì)算法。該算法不依賴反射面高度信息，在同時(shí)考慮發(fā)射多徑和接收多徑的情況下，通過構(gòu)造包含目標(biāo)參數(shù)的自適應(yīng)字典，以最大化匹配濾波輸出的回波數(shù)據(jù)與字典原子相關(guān)系數(shù)為估計(jì)準(zhǔn)則，利用縮放字典逐層逼近的方法交替完成對(duì)目標(biāo)參數(shù)的估計(jì)和對(duì)參數(shù)化字典的更新，最終實(shí)現(xiàn)了對(duì)目標(biāo)仰角及高度的估計(jì)。仿真實(shí)驗(yàn)表明了該算法的有效性。
- MIMO雷達(dá) /
- 低角跟蹤 /
- 多徑效應(yīng) /
- 參數(shù)估計(jì) /
- 縮放字典
Abstract: The issue of Direction-Of-Arrival (DOA) estimation in low-angle tracking environment for Very High Frequency (VHF) MIMO radar is investigated in this paper. Under the condition of the reflecting surface height is unknown, an algorithm for the target elevation estimation is proposed. The algorithm is based on the criterion of maximizing the correlation coefficient of target echo and the atoms of a given dictionary, where the dictionary grids can be iteratively refined to estimate the parameters more precisely. The simulation results indicate the effectiveness of the algorithm.
- MIMO radar /
- Low-angle tracking /
- Multi-path effect /
- Parameter estimation /
- Dictionary refinement

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參考文獻(xiàn)(23)

XU Z H, WU J N, XIONG Z Y, et al. Low-angle tracking algorithm using polarization sensitive array for very-high frequency radar[J]. IET Radar Sonar Navigation, 2014, 8(9): 1035-1041.

PARK D M, YANG E J, AHN S, et al. Adaptive beamforming for low-angle target tracking under multipath interference[J]. IEEE Transactions on Aerospace and Electronic Systems, 2014, 50(4): 2564-2577.

張文俊, 趙永波, 張守宏. 廣義MUSIC算法在米波雷達(dá)測高中的應(yīng)用及其改進(jìn)[J]. 電子與信息學(xué)報(bào), 2007, 29(2): 387-390.

ZHANG Wenjun, ZHAO Yongbo, and ZHANG Shouhong. Altitude measurement of meter-wave radar using the general MUSIC algorithm and its improvement[J]. Journal of Electronics Information Technology, 2007, 29(2): 387-390.

趙光輝, 陳伯孝, 董玫. 基于交替投影的DOA估計(jì)方法及其在米波雷達(dá)中的應(yīng)用[J]. 電子與信息學(xué)報(bào), 2008, 30(1): 224-227.

ZHAO Guanghui, CHEN Baixiao, and DONG Mei. A new DOA estimator based on alternating projection and its application in VHF radar[J]. Journal of Electronics Information Technology, 2008, 30(1): 224-227.

胡曉琴, 陳建文, 王永良. 米波雷達(dá)測高多徑模型研究[J]. 電波科學(xué)學(xué)報(bào), 2008, 23(4): 651-657.

HU Xiaoqin, CHEN Jianwen, and WANG Yongliang. Research on meter-wave radar height-finding multipath model[J]. Chinese Journal of Radio Science, 2008, 23(4): 651-657.

SEBT M A, SHEIKHI A, and NAYEBI M M. Robust low-angle estimation by an array radar[J]. IET Radar Sonar Navigation, 2010, 4(6): 780-790.

WHITE W D. Low-angle radar tracking in the presence of multipath[J]. IEEE Transactions on Aerospace and Electronic Systems, 1974, 11(6): 835-852.

SHERMAN S M. Complex indicated abgles applied to unresolved radar targets and multipath[J]. IEEE Transactions on Aerospace and Electronic Systems, 1971, 1(7): 160-170.

吳向東, 趙永波, 張守宏, 等. 一種MIMO雷達(dá)低角跟蹤環(huán)境下的波達(dá)方向估計(jì)新方法. 西安電子科技大學(xué)學(xué)報(bào), 2008, 35(5): 793-798.

WU Xiangdong, ZHAO Yongbo, ZHANG Shouhong, et al. New method for DOA estimation for the MIMO radar in low-angle tracking environment[J]. Journal of Xidian University, 2008, 35(5): 793-798.

HASSANIEN A, VOROBYOV S A, and KHABBAZIBASMENJ A. Transmit radiation pattern invariance in MIMO radar with application to DOA estimation[J]. IEEE Signal Processing Letters, 2015, 22(10): 1609-1613.

劉俊, 劉崢, 謝榮, 等. 基于波束空間的米波MIMO雷達(dá)角度估計(jì)算法[J]. 電子學(xué)報(bào), 2011, 39(9): 1961-1966.

LIU Jun, LIU Zheng, XIE Rong, et al. Beam-pace domain angle estimation algorithm in VHF MIMO radar[J]. Acta Electronica Sinica, 2011, 39(9): 1961-1966.

SHAN T J, WAX M, and KAILATH T. On spatial smoothing for direction-on-arrival estimation of coherent signal[J]. IEEE Transactions on Aerospace and Speech Signal Processing, 1985, 33(4): 806-811.

趙永波, 張守宏. 雷達(dá)低角跟蹤環(huán)境下的最大似然波達(dá)方向估計(jì)方法[J]. 電子學(xué)報(bào), 2004, 32(9): 1520-1523.

ZHAO Yongbo and ZHANG Shouhong. Maximum likelihood DOA estimation in radar low-angle tracking environment[J]. Acta Electronica Sinica, 2004, 32(9): 1520-1523.

QU L, SUN Q, YANG T, et al. Time-delay estimation for ground penetrating radar using ESPRIT with improved spatial smoothing technique[J]. IEEE Geoscience and Remote Sensing Letters, 2014, 11(8): 1315-1319.

SEN S and NEHORAI A. OFDM MIMO radar with mutual- information waveform design for low-grazing angle tracking[J]. IEEE Transactions on Signal Processing, 2010, 58(6): 3152-3162.

WANG S H, CAO Y H, and SU H T. Joint estimation of the target height and the reflecting surface height in low angle radar[C]. IEEE International Conference on Signal Processing(ICSP), Hangzhou, 2014: 19-23.

XU D L, DU L, and LIU H W. Radar signal parameter estimation with spares Bayesian representation based on dictionary refinement[C]. IEEE International Conference on Computer and Information Technology(CIT), Xian, 2014: 123-128.

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