天波超視距雷達(dá)中瞬態(tài)干擾定位方法研究
doi: 10.11999/JEIT151475
基金項(xiàng)目:
國(guó)家自然科學(xué)基金(61372134, 61401329)
Transient Interference Localization Method in the Skywave Over-the-horizon Radar
Funds:
The National Natural Science Foundation of China (61372134, 61401329)
-
摘要: 為了對(duì)抗天波超視距雷達(dá)中的瞬態(tài)干擾,現(xiàn)有時(shí)域算法一般有干擾定位、干擾剔除與數(shù)據(jù)恢復(fù)3個(gè)步驟,其中干擾定位的精度直接決定了后續(xù)處理的性能。目前工程中應(yīng)用的固定門(mén)限方法定位精度不夠,而現(xiàn)有文獻(xiàn)中提出的方法運(yùn)算量較大,且對(duì)參數(shù)的選擇較為敏感。針對(duì)這一問(wèn)題,該文提出一種迭代剔除平均檢測(cè)器。此檢測(cè)器將判決為干擾的樣本點(diǎn)剔除出迭代平均的過(guò)程,并采用前-后向檢測(cè)的定位方法,保證了背景估計(jì)與干擾定位的可靠性。天波超視距雷達(dá)的實(shí)測(cè)數(shù)據(jù)處理結(jié)果證明了所提方法的有效性。
-
關(guān)鍵詞:
- 天波超視距雷達(dá) /
- 干擾定位 /
- 瞬態(tài)干擾抑制
Abstract: In order to excise transient interferences in the skywave over-the-horizon radar, regular time-domain methods use steps as interference localization, interference blanking and data restoration. The interference excision performance depends highly on the interference localization performance. In the real system, the constant threshold detection method is adopted. However, it can not provide reliable localization performance. Some other existing methods need large computational costs and are sensitive to the parameters. To solve these problems, an iteratively censored average detector is proposed. The proposed detector removes the interference samples from the iterative estimating procedure and adopts a forward-backward localizing method to ensure the reliability of the localization performance. The experimental data collected from a trial skywave over-the-horizon radar are used. Results verify the effectiveness of the proposed method. -
ROESENER A G and GERBER J D. Analyzing potential over-the-horizon radar site locations[J]. IEEE Aerospace and Electronic Systems Magazine, 2015, 30(4): 14-22. doi: 10.1109/MAES.2015.140145. HE Qian, LI Xiaodong, HE Zishu, et al. MIMO-OTH radar: signal model for arbitrary placement and signals with non-point targets[J]. IEEE Transactions on Signal Processing, 2015, 63(7): 1846-1857. doi: 10.1109/TSP.2015.2403275. LIU Ziwei, SU Hongtao, and HU Qinzhen. Method to suppress transient interference in skywave OTHR[J]. Electronics Letters, 2015, 51(20): 1606-1607. doi: 10.1049/ el.2015.2166. 胡進(jìn)峰, 李萬(wàn)閣, 艾慧, 等. 基于改進(jìn)時(shí)頻分析方法的天波雷達(dá)機(jī)動(dòng)目標(biāo)檢測(cè)算法研究[J]. 電子與信息學(xué)報(bào), 2015, 37(8): 1843-1848. doi: 10.11999/JEIT141485. HU Jinfeng, LI Wange, AI Hui, et al. Maneuvering target detection algorithm based on improved time-frequency analysis method in skywave radar[J]. Journal of Electronics Information Technology, 2015, 37(8): 1843-1848. doi: 10.11999/JEIT141485. 邢孟道, 保錚, 強(qiáng)勇. 天波超視距雷達(dá)瞬態(tài)干擾抑制[J]. 電子學(xué)報(bào), 2002, 30(6): 823-826. doi: 10.3321/j.issn:0372-2112. 2002.06.014. XING Mengdao, BAO Zheng, and QIANG Yong. Transient interference excision in OTHR[J]. Acta Electronica Sinica, 2002, 30(6): 823-826. doi: 10.3321/j.issn:0372-2112.2002. 06.014. TURLEY M. Impulsive noise rejection in HF radar using a linear prediction technique[C]. IEEE International Radar Conference, Adelaide, SA, Australia, 2003: 358-362. doi: 10.1109/RADAR.2003.1278767. LIU Ziwei, SU Hongtao, and HU Qinzhen. Spectrum reconstruction in the sky-wave OTHR using GAPES[C]. IEEE International Radar Conference, Lille, France, 2014: 1-5. doi: 10.1109/RADAR.2014.7060445. QUAN Yinghui, XING Mengdao, ZHANG Lei, et al. Transient interference excision and spectrum reconstruction for OTHR[J]. Electronics Letters, 2012, 48(1): 42-44. doi: 10.1049/el.2011.2799. 李茂, 何子述. 基于矩陣補(bǔ)全的天波雷達(dá)瞬態(tài)干擾抑制算法 [J]. 電子與信息學(xué)報(bào), 2015, 37(5): 1031-1037. doi: 10.11999/ JEIT140973. LI Mao and HE Zishu. Sky-wave radar transient interference suppression based on matrix completion[J]. Journal of Electronics Information Technology, 2015, 37(5): 1031-1037. doi: 10.11999/JEIT140973. GUO Xin, SUN Hongbo, and YEO T S. Transient interference excision in over-the-horizon radar using adaptive time-frequency analysis[J]. IEEE Transactions on Geoscience and Remote Sensing, 2005, 43(4): 722-735. doi: 10.1109/ TGRS.2005.844291. 權(quán)太范, 李健巍, 于長(zhǎng)軍, 等. 高頻雷達(dá)抑制沖擊干擾的研究與實(shí)驗(yàn)[J]. 電子學(xué)報(bào), 1999, 27(12): 23-25. doi: 10.3321/j.issn: 0372-2112.1999.12.007. QUAN Taifan, LI Jianwei, YU Changjun, et al. An approach and experiment of suppressing burst interference in high-frequency radar[J]. Acta Electronica Sinica, 1999, 27(12): 23-25. doi: 10.3321/j.issn:0372-2112.1999.12.007. 薄超, 顧紅, 蘇衛(wèi)民, 等. 天波雷達(dá)欠密度流星余跡干擾抑制算法[J]. 兵工學(xué)報(bào), 2015, 36(5): 846-853. doi: 10.3969/j.issn. 1000-1093.2015.05.012. BO Chao, GU Hong, SU Weimin, et al. Under-dense meteor trail interference suppression algorithm for over-the-horizon radar[J]. Acta Armamentarii, 2015, 36(5): 846-853. doi: 10.3969/j.issn.1000-1093.2015.05.012. FABRIZIO G A, GERSHMAN A B, and TURLEY M D. Robust adaptive beamforming for HF surface wave over-the-horizon radar[J]. IEEE Transactions on Aerospace and Electronic Systems, 2004, 40(2): 510-525. doi: 10.1109/ TAES.2004.1310001. YI Jianxin, WAN Xianrong, CHENG Feng, et al. Computationally efficient RF interference suppression method with closed-form maximum likelihood estimator for HF surface wave over-the-horizon radars[J]. IEEE Transactions on Geoscience and Remote Sensing, 2013, 51(4): 2361-2372. doi: 10.1109/TGRS.2012.2210903. BARNUM J R and SIMPSON E E. Over-the-horizon radar sensitivity enhancement by impulsive noise excision[C]. IEEE National Radar Conference, Syracuse, USA, 1997: 252-256. doi: 10.1109/NRC.1997.588315. 何友, 關(guān)鍵, 孟祥偉, 等. 雷達(dá)目標(biāo)檢測(cè)與恒虛警處理[M]. 北京: 清華大學(xué)出版社, 2011: 222-226. HE You, GUAN Jian, MENG Xiangwei, et al. Radar Target Detection and CFAR Processing[M]. Beijing: Tsinghua University Press, 2011: 222-226. TRUNK G V. Range resolution of targets using automatic detectors[J]. IEEE Transactions on Aerospace and Electronic Systems, 1978, 14(5): 750-755. doi: 10.1109/TAES.1978. 308625. -
計(jì)量
- 文章訪(fǎng)問(wèn)數(shù): 1438
- HTML全文瀏覽量: 136
- PDF下載量: 442
- 被引次數(shù): 0