The successful development of the principle of the gyro gyro prototype to improve accuracy and integration

Recently, "the key technology based on magnetic resonance micro-spin-gyro gyro" project was successfully developed, which further improves the precision and integration of the micro-atomic spin-gyro based on magnetic resonance.

Airspace, full-time seamless positioning navigation is the future of positioning navigation industry's technological commanding heights. With the rapid development of quantum precision measurement technology, the gyro and inertial navigation system based on quantum precision measurement have the advantages of high precision, small size and low cost, and will provide disruptive new technologies in the field of seamless positioning and navigation.

The key project of "Microscopic Atomic Spinning Gyroscope Based on Magnetic Resonance", the theme project of Earth Observation and Navigation Technology in the "12th Five-Year Plan" 863 Plan was undertaken by the Beijing Institute of Automation and Control Equipment. The project research made a breakthrough in one and a half years. The project team captured the precise quantum control technology of nuclear spin-electron spin coupling polarization and detection, completed the precise design and manufacture of miniaturized magnetic resonance gas chambers and high-efficiency magnetic shielding components, and successfully developed China's first magnetic-based Resonant atomic spin gyro principle prototype. The zero bias stability of the prototype is better than 2 ° / h, making it the second country in the world to master this technology and its technical gap with the United States has narrowed from 10 years to 7 years.

The research results obtained by the project provide a solid technical foundation for supporting the development of the field of quantum navigation in our country in order to further improve the precision and integration of the microscopic atomic spin-gyro based on the magnetic resonance. The technological breakthrough of the atomic gyroscope has reduced the size, quality, power consumption and cost of the existing seamless positioning and navigation system for high-end equipment by about two orders of magnitude, and will be applied to the mass market positioning and navigation in the small volume, low cost Under the conditions of rice-class positioning accuracy, providing satellite-based airspace, full-time seamless positioning and navigation capabilities.

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