The Trump administration is moving to sharply restrict access to US universities for Chinese students and officials linked to the Chinese Communist Party, threatening to unravel decades of elite ...

To ascertain the overall tilt attitude of the azimuth axis, the Beidou differential positioning system is utilized to gather the telescope positioning data. However, the acquired positioning data are ...

The system can be combined with signal processing and network control technologies to compensate for interference and the Doppler effect, and to reduce the number of handovers. It can realize seamless ...