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喷泉钟
释义
喷泉钟
Encyclopedia
工学
频率标准
释
fountain clock
喷泉钟
通过激光冷却技术制备冷原子团,然后利用激光频率的特定变化把原子团上抛,由于重力作用,原子团到达顶点之后自由下落形成原子喷泉,在冷原子上升下落过程中将微波频率锁定到原子基态超精细能级跃迁的频率上,从而得到钟跃迁频率的原子钟。又称冷原子喷泉钟。
Astronomy
fountain clock
喷泉钟
随便看
relaxed optimal regime
relaxed plasmid
relaxin
relaxing period
relaxing the fingers and collapsing the wrist
relaxor
relay
relay channel
relay condenser
relay-contact circuit
relay-contact network
relay-contact scheme
relay control
relayed correlation spectroscopy
relay expansion module
relay interpreting
relay lens
relay of summer Paralympic Games
relay of Summer Paralympics
relay optics
relay orienteering
relay protection device
relay protection of hydro-generator and transformer unit
relay protection of hydropower station
relay protection of power system
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