地磁背景環(huán)境中基于分形特征的磁異常信號(hào)檢測(cè)算法

陳路昭; 朱萬(wàn)華; 吳佩霖; 費(fèi)春嬌; 方廣有

doi:10.11999/JEIT180307

地磁背景環(huán)境中基于分形特征的磁異常信號(hào)檢測(cè)算法

doi: 10.11999/JEIT180307

陳路昭^{1, 2, 3},
朱萬(wàn)華^{1, 3, ,},
吳佩霖^{1, 2, 3},
費(fèi)春嬌^{1, 2, 3},
方廣有^{1, 3}

1.
中國(guó)科學(xué)院電磁輻射與探測(cè)技術(shù)重點(diǎn)實(shí)驗(yàn)室 ??北京 ??100190
2.
中國(guó)科學(xué)院大學(xué) ??北京 ??100049
3.
中國(guó)科學(xué)院電子學(xué)研究所 ??北京 ??100190

基金項(xiàng)目: 國(guó)家重大科研裝備研制項(xiàng)目(ZDYZ2012-1-03)

詳細(xì)信息

作者簡(jiǎn)介:
陳路昭：男，1992年生，博士生，研究方向?yàn)閭鞲衅麝嚵械拇判盘?hào)處理方法、運(yùn)動(dòng)平臺(tái)磁干擾補(bǔ)償技術(shù)

朱萬(wàn)華：男，1982年生，副研究員，主要研究方向?yàn)榇艌?chǎng)傳感器關(guān)鍵技術(shù)、磁屏蔽關(guān)鍵技術(shù)

吳佩霖：男，1988年生，博士生，研究方向?yàn)楹娇沾艠?biāo)量、磁梯度測(cè)量平臺(tái)磁干擾補(bǔ)償算法研究

費(fèi)春嬌：女，1989年生，博士生，研究方向?yàn)楹Ｑ蟓h(huán)境磁場(chǎng)模型的建立以及噪聲抑制方法

方廣有：男，1963年生，研究員，主要研究方向?yàn)槌瑢拵щ姶艌?chǎng)理論及工程應(yīng)用、超寬帶雷達(dá)成像技術(shù)、微波成像新方法和新技術(shù)

通訊作者:
朱萬(wàn)華　whzhu@mail.ie.ac.cn

中圖分類號(hào): TH762.3
計(jì)量
- 文章訪問數(shù): 3103
- HTML全文瀏覽量: 1313
- PDF下載量: 245
- 被引次數(shù): 0
出版歷程
- 收稿日期: 2018-04-02
- 修回日期: 2018-09-05
- 網(wǎng)絡(luò)出版日期: 2018-09-12
- 刊出日期: 2019-02-01

Magnetic Anomaly Detection Algorithm Based on Fractal Features in Geomagnetic Background

Luzhao CHEN^{1, 2, 3},
Wanhua ZHU^{1, 3
, ,},
Peilin WU^{1, 2, 3},
Chunjiao FEI^{1, 2, 3},
Guangyou FANG^{1, 3}

1.
Key Laboratory of Electromagnetic Radiation and Sensing Technology, Chinese Academy of Sciences, Beijing 100190, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China

Funds: The National R&D Projects for Key Scientific Instruments of China (ZDYZ2012-1-03)

摘要

摘要:
磁異常檢測(cè)(MAD)是一種應(yīng)用廣泛的被動(dòng)式目標(biāo)檢測(cè)方法，其應(yīng)用包括水面艦船目標(biāo)監(jiān)測(cè)、水下移動(dòng)目標(biāo)及陸地目標(biāo)的檢測(cè)與識(shí)別等領(lǐng)域?；诘卮疟尘跋氯醮女惓Ｐ盘?hào)的可靠性檢測(cè)方法研究具有重要的意義，該文在研究地磁背景與磁異常信號(hào)分形特征差異的基礎(chǔ)上，提出一種基于目標(biāo)磁異常信號(hào)分形特征的單傳感器檢測(cè)方法，并進(jìn)行實(shí)際外場(chǎng)試驗(yàn)驗(yàn)證。試驗(yàn)結(jié)果表明：該方法能準(zhǔn)確分辨出地磁背景干擾與磁異常信號(hào)，并可以在地磁背景噪聲中實(shí)現(xiàn)弱磁異常信號(hào)的檢測(cè)。
- 磁異常檢測(cè) /
- 分形特征 /
- 單傳感器 /
- 地磁背景
Abstract:
Magnetic Anomaly Detection (MAD) is a widely used passive target detection method. Its applications include surface warship target monitoring, underwater moving targets, and land target detection and identification. It is of great significance to research on the reliability detection method of weak magnetic anomaly signals based on geomagnetic background. This paper proposes a single sensor detection method based on the fractal characteristics of target magnetic anomaly signal based on the study of the differences in geomagnetic background and fractal characteristics of magnetic anomaly signals and conducts actual field test verification. The experimental results show that the method can accurately distinguish the geomagnetic background interference and magnetic anomaly signals, and can detect the weak magnetic anomaly signals in the geomagnetic background noise.
- Magnetic Anomaly Detection (MAD) /
- Fractal characteristics /
- Single sensor /
- Geomagnetic background

HTML全文

圖 1 仿真場(chǎng)景與目標(biāo)磁異常

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圖 2 檢測(cè)算法流程圖

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圖 3 EMD處理前后的地磁背景場(chǎng)

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圖 4 地磁背景場(chǎng)及其功率譜密度

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圖 5 磁場(chǎng)分量、盒維數(shù)及其分形檢測(cè)特征量

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圖 6 磁場(chǎng)分量及其分形檢測(cè)特征量

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圖 7 磁場(chǎng)分量及其分形檢測(cè)特征量

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圖 8 不同信噪比下的檢測(cè)門限

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圖 9 磁場(chǎng)傳感器與野外實(shí)驗(yàn)場(chǎng)景

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圖 10 背景地磁數(shù)據(jù)及其分形特征量

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圖 11 含磁異常的背景地磁數(shù)據(jù)及其分形特征量

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