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frequency stability
释义
frequency stability
Encyclopedia
工学
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
随便看
relatively compact subset
relatively complemented lattice
relatively conjugate complex
relatively conjugate ideal
relatively conjugate number
relatively consistent
relatively convergent
relatively convex
relatively cyclic field
relatively dense set
relatively free algebra
relatively free group
relatively general position
relatively independent plane coordinate system
relatively induced module
relatively interior
relatively large set
relatively minimal model
relatively open
relatively open set
relatively perfect set
relatively prime
relatively prime elements
relatively prime functions
relatively prime ideals
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