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Scientists have developed a new material worth £100 million per gram, which can be used to manufacture portable atomic clocks
2015-12-08 00:10:01 Source: Reference News Network
Core tip: This material will be used to manufacture small portable atomic clocks, enabling the GPS navigation system of autonomous vehicle...【MORE】 -
The launch of China's precision receiver marks the entry of BeiDou Navigation into the global centimeter-level era
People's Daily Online, Beijing, September 24 (Zhao Zhuqing) - China's first centimeter-level precision Beidou receiver with satellite-based augmentation, the China Precision Satellite-based Augmentati...【MORE】
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BeiDou-2 will achieve an accuracy of 5 meters and may become compatible with GPS for commercial use
The economic scale of China's satellite navigation application industry is expected to reach RMB 260 billion by 2020.
If enterprises want to make money with Beidou satellite, they can provide v...【MORE】 -
Comparison between Beidou-1 satellite navigation system and GPS system
Although GPS has been widely used, it is by no means flawless.
1. Its scale is too large and the cost is too high, making it difficult for other countries to follow suit. The space agencies ...【MORE】 -
伽利略導航衛(wèi)星72臺原子鐘已壞了9臺
根據BBC新聞2017年1月18日的報道，長期拖拉延誤的歐洲伽利略衛(wèi)星導航系統(tǒng)目前陷入了很糟糕的困境中——18顆衛(wèi)星的72臺原子鐘，竟然有高達9臺出現故障，包括3臺銣原子鐘和6臺氫原子鐘。 ...【MORE】
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中國首次實現歐亞鏈路北斗時間頻率傳遞
據中國計量科學研究院網站8月3日消息，日前，由中國計量科學研究院（簡稱中國計量院）在國際計量局（BIPM）支持下開展的北斗衛(wèi)星導航系統(tǒng)（簡稱北斗）超遠距離時間頻率傳遞研究取得了重要進展。中國計量院基于自主研制的“北斗時間頻率傳遞裝置”，完成了北斗時間傳遞鏈路校準，并首次在超8200公里的歐亞鏈路和1000公里的歐洲內部鏈路實現了全視和共視兩種方法的時間頻率傳遞，穩(wěn)定...【MORE】
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