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一種SAR分布目標(biāo)可分辨概率精確計(jì)算方法

王巖飛 陳新星

王巖飛, 陳新星. 一種SAR分布目標(biāo)可分辨概率精確計(jì)算方法[J]. 電子與信息學(xué)報(bào), 2018, 40(12): 2848-2853. doi: 10.11999/JEIT180294
引用本文: 王巖飛, 陳新星. 一種SAR分布目標(biāo)可分辨概率精確計(jì)算方法[J]. 電子與信息學(xué)報(bào), 2018, 40(12): 2848-2853. doi: 10.11999/JEIT180294
Yanfei WANG, Xinxing CHEN. A Precise Method for Calculating the Resolution of SAR Distribution Targets[J]. Journal of Electronics & Information Technology, 2018, 40(12): 2848-2853. doi: 10.11999/JEIT180294
Citation: Yanfei WANG, Xinxing CHEN. A Precise Method for Calculating the Resolution of SAR Distribution Targets[J]. Journal of Electronics & Information Technology, 2018, 40(12): 2848-2853. doi: 10.11999/JEIT180294

一種SAR分布目標(biāo)可分辨概率精確計(jì)算方法

doi: 10.11999/JEIT180294
基金項(xiàng)目: 國家自然科學(xué)基金(61471340),國家重點(diǎn)研發(fā)計(jì)劃(2017YFB0503001)
詳細(xì)信息
    作者簡介:

    王巖飛:男,1963年生,研究員,博士生導(dǎo)師,主要研究方向?yàn)樾盘?hào)處理和合成孔徑雷達(dá)

    陳新星:男,1993年生,碩士生,研究方向?yàn)槲⒉ǔ上裣到y(tǒng)理論與技術(shù)

    通訊作者:

    陳新星  chen_xinxing93@126.com

  • 中圖分類號(hào): TN958

A Precise Method for Calculating the Resolution of SAR Distribution Targets

Funds: The National Natural Science Foundation of China (61471340), The National Key Research and Development Program (2017YFB0503001)
  • 摘要: 可分辨概率是用來衡量SAR分布目標(biāo)分辨特性的重要指標(biāo)。該文在細(xì)化目標(biāo)可分辨條件的基礎(chǔ)上,結(jié)合SAR分布目標(biāo)統(tǒng)計(jì)特性,提出一種新的目標(biāo)可分辨判斷準(zhǔn)則,給出一種可分辨概率精確計(jì)算方法。同時(shí)為了簡化計(jì)算,給出計(jì)算復(fù)雜度更小的近似計(jì)算方法。仿真結(jié)果表明,該文提出的可分辨概率計(jì)算方法符合實(shí)際情況,能夠更真實(shí)地反映SAR分布目標(biāo)統(tǒng)計(jì)特性對分辨特性的影響,可為SAR圖像質(zhì)量評估和系統(tǒng)參數(shù)設(shè)計(jì)等提供理論支撐。
  • 圖  1  兩個(gè)點(diǎn)目標(biāo)疊加信號(hào)圖

    圖  2  單視可分辨概率計(jì)算結(jié)果

    圖  3  2視可分辨概率計(jì)算結(jié)果

    圖  4  可分辨概率精確計(jì)算方法仿真結(jié)果

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出版歷程
  • 收稿日期:  2018-03-28
  • 修回日期:  2018-08-13
  • 網(wǎng)絡(luò)出版日期:  2018-09-03
  • 刊出日期:  2018-12-01

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