High-Precision Electrostatic Accelerometer

Space Microgravity Measurement

Designed for spacecraft, this accelerometer measures non-gravitational acceleration in orbit with a resolution of 3×10⁻¹⁰ m/s²/Hz¹ᐟ², providing microgravity environment data for space science experiments.

Cai, Lin · Bai, Yanzheng · Li, Hongyin · Qu, Shaobo · Tan, Dingyin · Wang, Wenbin · Wu, Shuchao · Yu, Jianbo · Zhou, Zebing

Aerospace Science and Technology 2023

Specifications

分辨率
{'zh': '3×10⁻¹⁰', 'en': ''} m/s²/Hz¹

Advantages

Microgravity level of 1×10⁻⁶ m/s²/Hz¹ᐟ² in the bandwidth 1×10⁻⁴ to 1×10⁻² Hz

Biases of −(5.31±0.04)×10⁻⁵, −(1.75±0.02)×10⁻⁶, and (2.65±0.01)×10⁻⁶ m/s² for x, y, z axes

Scale factors of 1.001±0.008, 0.999±0.003, and 1.018±0.003 for x, y, z axes