強(qiáng)地雜波背景下的低空飛行目標(biāo)成像

張群; 張濤; 張守宏

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強(qiáng)地雜波背景下的低空飛行目標(biāo)成像

張群, 張濤, 張守宏

文章導(dǎo)航 > 電子與信息學(xué)報(bào) > 2002 > 24(10): 1352-1357

張群, 張濤, 張守宏. 強(qiáng)地雜波背景下的低空飛行目標(biāo)成像[J]. 電子與信息學(xué)報(bào), 2002, 24(10): 1352-1357.

引用本文:

張群, 張濤, 張守宏. 強(qiáng)地雜波背景下的低空飛行目標(biāo)成像[J]. 電子與信息學(xué)報(bào), 2002, 24(10): 1352-1357.

Zhang Qun, Zhang Tao, Zhang Shouhong. Low-altitude target imaging in strong ground[J]. Journal of Electronics & Information Technology, 2002, 24(10): 1352-1357.

Citation:

Zhang Qun, Zhang Tao, Zhang Shouhong. Low-altitude target imaging in strong ground[J]. Journal of Electronics & Information Technology, 2002, 24(10): 1352-1357.

張群, 張濤, 張守宏. 強(qiáng)地雜波背景下的低空飛行目標(biāo)成像[J]. 電子與信息學(xué)報(bào), 2002, 24(10): 1352-1357.

引用本文:

張群, 張濤, 張守宏. 強(qiáng)地雜波背景下的低空飛行目標(biāo)成像[J]. 電子與信息學(xué)報(bào), 2002, 24(10): 1352-1357.

Zhang Qun, Zhang Tao, Zhang Shouhong. Low-altitude target imaging in strong ground[J]. Journal of Electronics & Information Technology, 2002, 24(10): 1352-1357.

Citation:

Zhang Qun, Zhang Tao, Zhang Shouhong. Low-altitude target imaging in strong ground[J]. Journal of Electronics & Information Technology, 2002, 24(10): 1352-1357.

強(qiáng)地雜波背景下的低空飛行目標(biāo)成像

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出版歷程
- 收稿日期: 2000-10-08
- 修回日期: 2001-03-19
- 刊出日期: 2002-10-19

Low-altitude target imaging in strong ground

摘要

摘要: 該文中提出了在強(qiáng)地雜波背景下對(duì)運(yùn)動(dòng)目標(biāo)的成像方法,在對(duì)拉伸(stretch)信號(hào)的處理時(shí),采用了前后兩次回波使用同一拉伸延時(shí)量進(jìn)行處理的方法,然后使用一次相消器濾除雜波,利用測(cè)距用的常載頻信號(hào)完成精確運(yùn)動(dòng)參數(shù)的估計(jì)并完成運(yùn)動(dòng)補(bǔ)償,經(jīng)過(guò)理論分析和仿真實(shí)驗(yàn)驗(yàn)證了該方法的有效性。
- 雜波; 雷達(dá)成像; 拉伸信號(hào)
Abstract: The imaging method on low-altitude target in strong ground clutter is presented. The identical amount of stretching time-delay with the adjoined echoes is applied in the signal stretching process, and then the ground clutter is filtered through the one-order canceller. Furthermore the targets motion parameters can be accurately estimated by the narrow pulse signals on the constant carrier, so the motion compensation can be achieved. After the theoretical analysis, the validity is proven by simulation results finally.

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參考文獻(xiàn)(1)

D.L. Mensa, High Resolution Radar Imaging, London, Artech House, 1982, 9 34. ［2］W.M. Brown, R.j. Fredericks, Rang-Doppler imaging with motion through resolution cells,IEEE Trans. on AES, 1969, AES-5(1), 98-102.[2]C.C. Chen, H. C. Andrews, Target-motion-induced radar imaging, IEEE, Trans. on AES, 1980,AES-16(1), 2-14.[3]王根原,保錚,逆合成孔徑雷達(dá)運(yùn)動(dòng)補(bǔ)償中包絡(luò)對(duì)齊的新方法,電子學(xué)報(bào),1998,26(6),5-8.[4]S. Simmons, R. Evans, Maximum likelihood autofocusing of radar images, IEEE International Radar Conference, Virginia, 1995, 410-415.[5]T.J. Abatzoglou, G. O. Gheen, Rang, radial velocity, and acceleration MLE using Radar LFM pulse train, IEEE Trans. on AES, 1998, AES-34(4), 1070-1084.[6]A. Farina, F. A. Studer, Detection with high resolution radar: great promise, big callenge, Microwave Journal, 1991, 34(5), 263-273.[7]N.C. Currie, R. D. Hayes, R. N. Trebits, Millimeter-Wave Radar Clutter, London: Artech House,1992, 67 92.[8]D.R. Wehner, High-Resolution Radar, London: Artech House, 1995, 400 469.[9]張群,張濤,張守宏,一種ISAR成像運(yùn)動(dòng)補(bǔ)償新方法,信號(hào)處理,1999,15(增刊),299-302.[10]張慶文,保錚,采用窄Stretch信號(hào)的ISAR成像與運(yùn)動(dòng)補(bǔ)償,西安電子科技大學(xué)學(xué)報(bào),1992,19(1),8-15.[11]丁鷺飛,耿富錄,雷達(dá)原理,西安,西安電子科技大學(xué)出版社,1997,256-295.

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