长度计量学并不是频率计量学产生根本影响的唯一领域。Kamper 和 Zimmcrmnn 1971 已经完成了一些绝对温度测量,这些测量涉及频率标准和频率计量学 [Kamper 和 Zimmcrmnn 1971]。他们测量了约瑟夫森结振荡器的频率噪声,该振荡器与浸没在低温浴中的电阻耦合。温度 T 与频率噪声通过涉及 h、e 和 k(分别为普朗克常数、电解质电荷和玻尔兹曼常数)的基本物理关系相关。目前,直流电位差(电动势,EMF)的最佳 [即最清晰、最稳定、最便携] 二级标准是约瑟夫森结
' 长度计量并不是频率计量产生根本影响的唯一领域。已经就频率标准和涉及频率计量进行了一些绝对温度测量 [Kamper and Zimmcrmnn 197 I]。他们测量了约瑟夫森结振荡器的频率噪声,该振荡器与浸没在低温浴中的电阻耦合。温度 T 通过涉及 h、e 和 k(分别为普朗克常数、电解质电荷和玻尔兹曼常数)的基本物理关系与频率噪声相关。最好的 [即。 ,最可重复,最稳定,最易运输] 目前直流电位差(电动势,E M F )的次标准是约瑟夫森结
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