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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
slope field
slope filter
slope function
slope greening
slope-intercept form
slope landform
slope-length factor
slope line
slope management for erosion control
slope measuring
slope monitoring
slope of a curve
slope of a straight line
slope of cultivated land
slope of cutting
slope of isochron
slope of repose
slope protection for pipeline
slope protection with vegetation
slope ratio method
slope retaining
slope runoff
slope runoff coefficient
slope scale
slope stability
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