【摘要】：基于兩軌法差分干涉原理,在介紹強(qiáng)度圖生成和差分干涉測(cè)量提取形變信息處理流程的基礎(chǔ)上,結(jié)合Sentinel-1A衛(wèi)星采用的精密軌道控制技術(shù)和TOPS技術(shù),利用歐空局的SNAP軟件平臺(tái)和相位解纏軟件SNAPHU處理Sentinel-1A_IW雷達(dá)影像,提取了皮山縣震區(qū)的地表形變信息,并對(duì)結(jié)果進(jìn)行了分析。雖然研究區(qū)被第四系沖積、洪積、坡積物等覆蓋,但根據(jù)地表河流流向、沖洪積扇的空間方位等跡象和震后形變量的空間分布可推斷出皮西那斷裂左端可能存在向北西方向延伸的隱伏斷裂。
[Abstract]:Based on the principle of two-orbit differential interferometry, on the basis of introducing the process of generating intensity diagram and extracting deformation information by differential interferometry, the precise orbit control technology and TOPS technology used by Sentinel-1A satellite are combined. The SNAP software platform of ESA and the phase unwrapping software SNAPHU are used to process the Sentinel-1A_IW radar image. The surface deformation information of the earthquake area in Pishan County is extracted and the results are analyzed. Although the study area is covered by Quaternary alluvial, slope and so on, according to the flow of surface rivers, The spatial orientation of alluvial fan and the spatial distribution of post-earthquake deformation can be inferred that there may be hidden faults extending northward at the left end of the Pishna fault.
【作者單位】： 成都理工大學(xué)國土資源部地學(xué)空間信息技術(shù)重點(diǎn)實(shí)驗(yàn)室;
【基金】：國家自然科學(xué)基金資助項(xiàng)目《區(qū)域構(gòu)造聯(lián)合/復(fù)合變形場(chǎng)與應(yīng)力場(chǎng)遙感圖像“分層”解析理論及方法》(批準(zhǔn)號(hào):41372340)
【分類號(hào)】：P315.7;P225.1

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