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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
re-contamination
recontamination
recontres problem
reconversion
recooling
record
recordability
record a demerit
record and review system
record and statistic of accident from International Labour Organization
record and statistic of accident injury in Australia
record and statistic of accident in United Kingdom
record and statistic of injury and illness in America
Record Blocking
Record Bood of Imperial Edicts of Jiaqing and Daoguang
Record Book of Imperial Edicts of Xianfeng and Tongzhi
Record Book of Missionary Cases of Qing Dynasty
record date
record drawings
Recorde
Recorded broadcasting
Recorded Sayings of Past Worthies
Recorded Sayings of the Perfected Bai from Qiongzhou
recorder
recorder/assistant magistrate
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