70 g-TM Electrostatic Accelerometer

Adjustable Resolution

An ultra-high sensitivity accelerometer for next-generation satellite gravity measurement, with mission-adjustable resolution and in-orbit validation on the Tianqin-1 satellite.

Zhou, Annan · Bai, Yanzheng · Cai, Lin · Hu, Ming · Li, Hongyin · Liu, Li · Qu, Shaobo · Tan, Dingyin · Wang, Chengrui · Wu, Shuchao · Xiao, Chunyu · Yin, Hang · Zhou, Zebing

Classical and Quantum Gravity 2023

Specifications

最佳分辨率
{'zh': '3.3 × 10⁻¹²', 'en': ''} m s⁻²

Advantages

Adjustable resolution range: 10⁻¹² to 10⁻¹⁰ m s⁻² Hz⁻¹ᐟ²

In-orbit performance tested on Tianqin-1 satellite