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铯钟
释义
铯钟
Encyclopedia
工学
频率标准
释
cesium clock
铯钟
利用铯(133Cs)原子基态两个超精细能级间跃迁作为频率参考(在不受外场干扰的条件下,频率为9.192631770吉赫),通过锁定环路锁定晶体振荡器,使晶体振荡器能够输出高稳定度和高准确度时间频率信号的原子钟。采用的工作原子为铯原子,又称铯原子频率标准(简称铯频标)、铯原子钟。
Astronomy
cesium clock; caesium clock; cesium-beam clock
铯钟
随便看
rectangular hyperbola
rectangular hyperbolic coordinate
rectangular hysteresis loop
rectangular-hysteresis-loop soft magnet
rectangular inequality
rectangular injection/production pattern system
rectangularity
Rectangular Lacquer Box with BoneInlay from the Tomb of Feng Sufu
rectangular lattice
rectangular magnetic material
rectangular mapping
rectangular map subdivision
rectangular matrix
rectangular mesh
rectangular method
rectangular neighborhood
rectangular net
rectangular numbers
rectangular parallel coordinate
rectangular parallelepiped
rectangular parallelopiped
rectangular parallelopipedon
rectangular partial sum
rectangular partition
rectangular potential barrier
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