用加速度数据反演:理论发展和数值实现

Li Huangfu, Hongyu Chen, Xuemin Shan, Huanghui Zhang, Jiangqiao Li, Yang Ju, T. Ma, Jiawei Ren
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引用次数: 0

摘要

新的采集技术可以在拖缆上测量多个波场分量。我们分析了输入数据的频率如何限制最终图像的分辨率,并介绍了一种使用加速度数据作为输入数据来提高全波形反演(FWI)分辨率的方法。通过定义失配函数和构造梯度,实现了利用加速度数据的FWI。通过综合数据示例,我们证明了具有加速度数据的FWI具有以最佳方便率提高倒置模型分辨率的潜力。
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Inversion with acceleration data: Theoretical development and numerical implementation
New acquisition technologies that measure more than one wavefield component at the streamers are now available. We analyze how the frequency of input data limits the resolution of the final image and introduce a method using acceleration data as input data to improve the resolution for full waveform inversion (FWI). The FWI using acceleration data is achieved by defining of the misfit function and the construction of gradient. Using synthetic data examples, we show that FWI with acceleration data has the potential to improve the resolution of the inverted model with an optimal rate of convengence.
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