1,721,111 research outputs found
A dynamic analysis of the LO noise transfer mechanism in a Rb-cell frequency standard
Frequency noise of the local oscillator at even harmonics of the modulation frequency is known to contribute to the short-term instability of passive frequency standards [1]-[3]. The mechanism by which this noise transfer takes place in Rb-cell standards is described here in a comprehensive approach that includes both signal theory methods [3] and a time-dependent quantum mechanical analysis. The resulting calculated transfer coefficients for the various even harmonics are discussed in relationship with measured coefficients in an actual experiment [2]
Contribution to lichen floristics in Italy. V. The lichens of the island of Capraia (Tuscan Archipelago).
A Comparison of Fractal Dimension and Spectrum Coefficient Characterization of 1/fα Noise
A dynamic analysis of the LO noise transfer mechanism in a Rb-cell frequency standard
The authors are also affiliated with the Istituto' Tstitntu Nazioniln di fisica dolla Matoria. Kroqumicy noise of the local oscillator aL ovoti harmonies of the nmdulatirm frequency is known to contribute to the short-turrii instability of passive frequency sLnricifivdK [1]-[3], The moclianism by wtiicli tliiij noise trtuisfor takes place in Rb-cell standard is described here in a comprehensive approach that melticluK both signal theory methods [3] tmcl n tinie-tlcpcnclcnt quantum mechan-ical analysis. The resulting calculated transfer cocfUcionts fiir the various oven ha.rrntmic:s HFCJ discussed in relationship with measured coefficients in an actnal experiment [2]. © 2000 IEEE
Spatial phase variations in a TE011 microwave cavity for use in a cesium fountain primary frequency standard
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