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frequency stability
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frequency stability
Encyclopedia
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时间频率测量
释
frequency stability
频率稳定度
表征频率在测量过程中的起伏。是评估频率源性能优劣的主要技术指标，用频率源内部噪声调制产生的相位噪声大小（频域）或其导致的频率取样值的随机波动大小（时域）表征。其中，频域表征为表列信号频率（载频）傅里叶频谱（旁频）的单边带相位噪声谱密度幅值（dBc/Hz）；时域表征则用阿伦方差和其他方差。上述频域表征和时域表征可相互转换。
Astronomy
frequency stability
频率稳定度
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finitely determined generator
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finitely differentiable
finitely dimensional vector space
finitely distinguishable
finitely equivalent sets
finitely factorial condition
finitely fixed process
finitely generated
finitely generated A-algebra
finitely generated Abelian group
finitely generated algebra
finitely generated cone
finitely generated extension
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finitely generated group
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finitely generated module
finitely generated module over a principal ideal domain
finitely generated object
finitely generated R algebra
finitely generated R-algebra
finitely generated ring
finitely generated semigroup
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