Search Results - "trajectory deviation"

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    An Efficient SAR Raw Signal Simulator Accounting for Large Trajectory Deviation

    An Efficient SAR Raw Signal Simulator Accounting for Large Trajectory Deviation by Shaoqi Dai, Haiyan Zhang, Cheng Wang, Zhongwei Lin, Yi Zhang, Jinhe Ran

    Published 2025-07-01

    A synthetic aperture radar (SAR) raw signal simulator is useful for supporting algorithm innovation, system scheme verification, etc. Trajectory deviation is a realistic factor that should be considered in a SAR raw signal simulator and is very important for applications such as motion composition a...

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    Dynamic Characteristics of Horizontal Drilling with Flexible Drill String Based on ABAQUS Explicit Dynamics

    Dynamic Characteristics of Horizontal Drilling with Flexible Drill String Based on ABAQUS Explicit Dynamics by Liu Xin Huang Zhongwei Wu Xiaoguang Li Gensheng Shi Huaizhong Wang Jiarui Wang Minghao, Huang Zhongwei, Wu Xiaoguang, Li Gensheng, Shi Huaizhong, Wang Jiarui, Wang Minghao

    Published 2025-06-01

    During the drilling of ultrashort-radius radial horizontal well with flexible drill string， the vertical shift of wellbore trajectory affects the encountering rate of target points. To reveal the dynamic characteristics of horizontal drilling with flexible drill string and reduce the vertical shift...

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