Fig. 2From: Detection of free core nutation resonance variation in Earth tide from global superconducting gravimeter observationsRelationship between the variations in amplitude factor and the FCN period. The horizontal axis represents the change of FCN period. The vertical axis is the corresponding variation in amplitude factors for 6 diurnal waves. The dash dotted line represents the high precision level of tidal parameters from the current global SG observationsBack to article page