Due to the limitation of standard quantum limit (SQL), traditional laser interferometry based micro angle attitude measurement technology cannot further improve its measurement accuracy. Applying quantum weak value measurement technology to micro angle measurement will greatly improve its measurement accuracy. This article introduces the basic principle of quantum weak value measurement, and introduces the research progress in micro bit angle/displacement measurement using quantum weak value measurement technology in recent years. The future application trend of quantum weak measurement technology in micro angle is analyzed and prospected.
Aerospace medical on orbit inspection instruments have played a great role in the on orbit health inspection and monitoring of astronauts because of their high detection accuracy, portable use and strong environmental adaptability. This paper briefly describes the main detection methods of on orbit medical detection instruments, including electrochemical method, dry chemistry method, flow cytometry combined with fluorescence detection technology, chemiluminescence immunoassay technology and enhanced Raman spectroscopy. The application direction and current situation of on orbit precision detection instruments in the field of aerospace medicine are introduced, and their future development trends are prospected.
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