IECAS高分辨率機(jī)載合成孔徑雷達(dá)幾何精度試驗(yàn)
The Geometric Accuracy Test of the Airborne High Resolution SAR Developed by IECAS
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摘要: 本文以實(shí)際地形圖數(shù)據(jù)，用經(jīng)典的雷達(dá)攝影測(cè)量的方法，檢驗(yàn)了中國(guó)科學(xué)院電子學(xué)研究所(IECAS)高分辨率機(jī)載合成孔徑雷達(dá)的幾何精度。結(jié)果表明：該雷達(dá)影像在單圖像修測(cè)(對(duì)已有地圖進(jìn)行更新測(cè)量)條件下，平面位置精度優(yōu)于4m米；在立體圖像量測(cè)的條件下, 空間位置精度優(yōu)于20m。Abstract: In this paper, geometric accuracy of the airborne high resolution SAR developed by Institute of Electronics, Chinese Academy of Sciences (IECAS) is verified with real terrain map data by using classical radar photogrammetry.The experimental results show that horizontal positional accuracy of single imagery revision is better than 4m and spatial positional accuracy of stereo images measurement is better than 20m for the kind of radar imagery.
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Leberl F, Domik G, Kobrick M. Mapping with aircraft and satellite radar images[J].Photogrammetric Record.1985, 11(66):647-665[2]常本義, 高力. SAR單圖像定位原理[J]. 解放軍測(cè)繪研究所學(xué)報(bào)，2001, 21(4): 1- 5.[3]常本義, 高力. SAR攝影測(cè)量應(yīng)用系統(tǒng)的幾何算法和試驗(yàn)[J]. 測(cè)繪科學(xué)與工程，2004， 24(1)：5-8. -
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