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单词
频率稳定度
释义
频率稳定度
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
soil water characteristic curve
soil water condition
soil water constant
soil water constant for irrigated grassland
soil water content
soil water conversion material
soil water diffusivity
soil water erosion
soil water evaporation
soil water-heat couple
soil water infiltration
soil water infiltration for irrigated grassland
soil water infiltration model
soil water movement
soil water potential
soil water redistribution
soil water resources
soil water suction
soil weathering
soil wind erosion
soil wind erosion in China
soil zonality
SOI鳍式场效应晶体管
Sojourner
sojourn time
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