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基于雙視角距離像序列的空間錐體目標(biāo)參數(shù)估計方法

邵長宇,  杜蘭,  韓勛,  劉宏偉

邵長宇, 杜蘭, 韓勛, 劉宏偉. 基于雙視角距離像序列的空間錐體目標(biāo)參數(shù)估計方法[J]. 電子與信息學(xué)報, 2015, 37(11): 2735-2741. doi: 10.11999/JEIT150561
引用本文: 邵長宇, 杜蘭, 韓勛, 劉宏偉. 基于雙視角距離像序列的空間錐體目標(biāo)參數(shù)估計方法[J]. 電子與信息學(xué)報, 2015, 37(11): 2735-2741. doi: 10.11999/JEIT150561
Shao Chang-yu, Du Lan, Han Xun, Liu Hong-wei. Estimation Method for Space Coning Target Parameters Based on Two-aspect Range Profile Sequences[J]. Journal of Electronics & Information Technology, 2015, 37(11): 2735-2741. doi: 10.11999/JEIT150561
Citation: Shao Chang-yu, Du Lan, Han Xun, Liu Hong-wei. Estimation Method for Space Coning Target Parameters Based on Two-aspect Range Profile Sequences[J]. Journal of Electronics & Information Technology, 2015, 37(11): 2735-2741. doi: 10.11999/JEIT150561

基于雙視角距離像序列的空間錐體目標(biāo)參數(shù)估計方法

doi: 10.11999/JEIT150561 cstr: 32379.14.JEIT150561
基金項目: 

國家自然科學(xué)基金(61271024, 61201296和61322103)和中央高?；究蒲袠I(yè)務(wù)費專項資金

Estimation Method for Space Coning Target Parameters Based on Two-aspect Range Profile Sequences

Funds: 

The National Natural Science Foundation of China (61271024, 61201296, 61322103)

  • 摘要: 空間錐體目標(biāo)在自由段是典型的微動目標(biāo)。該文研究了基于雙視角距離像的空間錐體目標(biāo)參數(shù)估計方法，估計的目標(biāo)參數(shù)包括進動參數(shù)和結(jié)構(gòu)參數(shù)。首先分析了雷達俯仰角在空間錐體目標(biāo)自由段的變化情況，并且利用建立的目標(biāo)進動模型，得到了目標(biāo)散射中心在雷達視線(RLOS)上的投影方程。然后基于雙視角下的距離像序列推導(dǎo)出目標(biāo)參數(shù)的解析解，并引入彈道信息來解決半錐角的估計對信噪比(SNR)要求較高的問題。最后利用電磁計算數(shù)據(jù)驗證了方法的有效性。
    Abstract: A space coning target has the typical micro-motion. A novel parameters estimation method for space coning target based on two-aspect range profile sequences is proposed in this paper. The parameters of space coning target include precession parameters and structure parameters. First, this paper analyzes the trace of the radar elevation angle when the target is in free phase. Using the established precession model, the equation for the projections of the targets scatters onto the Radar Line Of Sight (RLOS) is derived. Then, analytical solutions of the parameters are obtained based on the two-aspect range profile sequences. Ballistic curve is introduced to solve the problem that the estimation of half cone angle requires high Signal-to-Noise Rate (SNR). Finally, the experiments verify the effectiveness of the proposed method by using electromagnetic data.
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出版歷程
  • 收稿日期:  2015-05-11
  • 修回日期:  2015-07-20
  • 刊出日期:  2015-11-19

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