模拟具有多个加速度计的原子陀螺仪

IF 4.2 Q2 QUANTUM SCIENCE & TECHNOLOGY AVS quantum science Pub Date : 2023-11-03 DOI:10.1116/5.0166281
Nathan Shettell, Rainer Dumke
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引用次数: 0

摘要

与传统加速度计相比,原子加速度计的主要优点是可以忽略偏置漂移,允许稳定的长期测量,这为导航打开了潜在的应用。这种可忽略的漂移源于这样一个事实,即测量可以追溯到自然常数,并且由于简单的设计,系统本质上是稳定的。在本文中,我们通过考虑一系列原子加速度计,将这种长期稳定性的特性扩展到陀螺仪测量,并将其性能与原子陀螺仪进行比较,原子陀螺仪在技术上更容易发生偏置漂移。我们证明了由四个三轴原子加速度计组成的阵列在长期稳定性方面优于最先进的原子陀螺仪。
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Emulating an atomic gyroscope with multiple accelerometers
The main advantage of an atomic accelerometer when compared to a classical accelerometer is negligible bias drift, allowing for stable long-term measurements, which opens the potential application in navigation. This negligible drift arises from the fact that the measurements can be traced back to natural constants, and the system is intrinsically stable due to the simple design. In this manuscript, we extend this property of long-term stability to gyroscopic measurements by considering an array of atomic accelerometers, and comparing the performance to atomic gyroscopes, which are technologically more prone to bias drifts. We demonstrate that an array consisting of four three-axis atomic accelerometers can outperform state-of-the-art atomic gyroscopes with respect to long-term stability.
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9.90
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