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With the prevalence of virtualization technology, virtual machine networks (VMN) have been widely used in host network applications. To provide fault tolerance and non-stop features to network applications and preserve the network consistency among virtual machines (VM), the distributed snapshot technique of virtual machine networks regains the attention of academia. While existing approaches still...
As a key parameter of distributed optical fiber sensing (DOFS), spatial resolution has a significant influence on the quality of measurement, which is verified by the constant tensile test and strain distribution comparison at different spatial resolution. Two common calibration methods for distributed optical fiber temperature measurement, including 10%–90% Step-Function and Hot-Spot method, as well...
This paper offer a method to obtain UAV's flight parameters at auto-landing period based on the algorithm of camera calibration. According to the geometry features of landing ground to obtain vanishing point, the focal length function is established from the u and v axis scale of the image plane, then the attitude and position of UAV are achieved from the calibration result. Simulation indicates that...
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