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- W4293206253 abstract "嫦娥五号（CE-5）任务具有天地联合的优势测控资源，为地基无线电测量新方法验证、工程应用与科学研究提供了优越条件。本文重点开展CE-5探测器开环测速精细提取及应用。首先，提出了基于信号重构互相关的开环测速多普勒频率提取算法，建立了从信号输入、信号处理到观测量输出的完整实现步骤；然后，基于中国深空网开展了CE-5轨道器开环测速试验，经信号处理分析结果表明：CE-5轨道器开环测速精度达到2~3mHz水平，优于深空站基带测速精度3~4倍；其次，通过CE-5轨道器精密定轨，有效验证开环测速观测量应用效果，结果表明：开环测速的定轨残差为0.12mm/s，基带测速的定轨残差为0.46mm/s；最后，提出了基于深空探测器的多体问题引力红移验证方法，从理论上分析了高精度开环测速在引力红移验证方面潜在应用可行性，初步设计了引力红移验证设想方案，评估了以现有CE-5轨道器开环测速结果为依据，建议可考虑开展引力红移验证专项试验，有望实现10-4~10-5水平的引力红移验证精度。" @default.
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- W4293206253 date "2023-02-21" @default.
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- W4293206253 title "High-accuracy open-loop velocity measurement and gravitational redshift verification design analysis based on the Chang’E-5 probe" @default.
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