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MICROSCOPE. mission analysis, requirements and expected performance
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DOI：10.1088/1361-6382/abebf1.png)
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摘要
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The MICROSCOPE mission aimed to test the weak equivalence principle (WEP) to a precision of 10(-15). The WEP states that two bodies fall at the same rate on a gravitational field independently of their mass or composition. In MICROSCOPE, two masses of different compositions (titanium and platinum alloys) are placed on a quasi-circular trajectory around the Earth. They are the test-masses of a double accelerometer. The measurement of their accelerations is used to extract a potential WEP violation that would occur at a frequency defined by the motion and attitude of the satellite around the Earth. This paper details the major drivers of the mission leading to the specification of the major subsystems (satellite, ground segment, instrument, orbit horizontal ellipsis ). Building upon the measurement equation, we derive the objective of the test in statistical and systematic error allocation and provide the mission's expected error budget.
Keyword:
general relativity
experimental gravitation
equivalence principle
space accelerometers
microsatellite
MICROSCOPE
期刊
IF:
3.7
论文数:
1.3W
被引数:
3.0W
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引用论文
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Determination of the Equivalence Principle Violation Signal for the MICROSCOPE Space Mission: Optimization of the Signal Processing确定用于显微镜空间任务的等效原理违反信号: 信号处理的优化OAAI
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