一種寬測繪帶SAR新方法的探討
A discussion on a new method of wide swath SAR
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摘要: 寬測繪帶SAR是當(dāng)前星載合成孔徑雷達(dá)研究的熱點(diǎn)問題，在需要全球動態(tài)觀察或高重復(fù)周期觀察局部地區(qū)的應(yīng)用中都希望能進(jìn)行寬測繪帶成像。該文論述了一種基于多調(diào)制方式的寬測繪帶方法。并詳細(xì)論述了調(diào)制方式的選擇，盲區(qū)問題及其數(shù)據(jù)處理方法。
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關(guān)鍵詞:
- 寬測繪帶 SAR; 多調(diào)制方式; 非均勻采樣
Abstract: Wide swath SAR is a hotspot of the research of SAR (Synthetic Aperture Radar). In many fields of SAR application which require global and dynamic surveillance or frequent surveillance of a certain part of the earth surface, it is expected that the swath of SAR is much more wider. A new method of wide swath SAR based on multiple modulation mode is presented in this paper. The selection of modulation mode, the solution to the problem of blind zone, and the data processing method of this system are discussed. -
張澄波,綜合孔徑雷達(dá)原理、系統(tǒng)分析與應(yīng)用,北京,科學(xué)出版社,1989年11月第一版,第三章.[2]A. Currie, M. A. Brown, Wide-swath SAR, IEE Proc.-F, 1992, 139(2), 122-135.[3]R.. K. Moore, Scanning spaceborne synthetic aperture radar with integrated radiometer, IEEE Trans. on AES, 1981, AES-17(3), 410-420.[4]G.D. Callaghan, I. D. Longstaff, Wide-swath space-born SAR using a quad-element array, IEE Proc.-Radar, Sonar, 1999, 146(3), 159-165.[5]Nathan A. Goodman, Sih Chung Lin, Processing of multiple-receiver spaceborne arrays for widearea SAR, IEEE Trans. on GRS, 2002, GRS-40(4), 841-852.[6]朱近康,擴(kuò)展頻譜通信及其應(yīng)用,合肥,中國科技大學(xué)出版社,1993年1月第一版,第四章. -
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