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'https://openalex.org/W2274936240', 'https://openalex.org/W2215536826', 'https://openalex.org/W2091522346'], 'abstract_inverted_index': {'摘要:': [0], '利用GPS确定空间航天器轨道,尤其是GPS在中、高空间航天器定轨中的应用.针对中、高轨道中可见星少及GPS信号微弱等问题,提出了有效的微弱信号检测算法,提高了GPS接收机的接收能力.同时提出了利用伪加速度测量和轨道约束进行定轨解算的新方法,使得在HEO(高偏心轨道)中利用两颗可见星可以解算定位解,对GEO(静止地球轨道)只用一颗星就可求解,仿真结果表明该方法具有很好的效果.': [1], '关键词:': [2], 'GPS': [3], '/': [4, 6, 8, 10], 'GEO': [5], 'HEO': [7], '微弱信号检测': [9], '轨道约束': [11]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2351158741', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}], 'updated_date': '2024-09-13T20:57:49.292305', 'created_date': '2016-06-24'}