Development and prospects of initial alignment method for strap-down inertial navigation system北大核心CSCD

Initial alignment technology is directly related to the navigation accuracy and startup time of the strap-down inertial navigation system (SINS), and has always been regarded as a challenging focal point in the research field of inertial navigation. This paper makes a comprehensive survey of SINS initial alignment technology, briefly introduces the basic principles of initial alignment without latitude, coarse alignment with known latitude and precise alignment, and points out their advantages, disadvantages and applicable conditions. The research and effects of existing initial alignment error suppression techniques are then analyzed and discussed. Finally, according to the problems of existing initial alignment methods and the development requirements of the carrier, the future research direction of SINS initial alignment technology is predicted. © 2022 Journal of Clinical Hepatology. All rights reserved.     

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SCW-based Outsourcing Operation Modeling in the Case of Integrated Supply Chain Management

By analyzing the features of integrated supply chain management （SCM） and its environment, this paper puts forward the types of outsourcing under this environment and their functions for different type of outsourcing models. This paper also expresses the outsourcing operation model in the case of integrated SCM environment and the outsourcing management model based on CSCW. Through an operational example analysis and comparison, it can be seen that the modeling that is set up in this paper is feasible and effective.     

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