A digital low-frequency geophone based on 4th-order sigma-delta modulator and single-coil velocity feedback
Xiaopeng Zhang, Xueyong Wei, Tongdong Wang, Xin Li, Weiguo Xiao, Zutang Wu
Topics & Concepts
GeophoneNoise shapingDelta-sigma modulationBandwidth (computing)IntegratorNoise (video)Noise floorElectronic engineeringAcousticsEngineeringComputer scienceElectrical engineeringPhysicsNoise reductionNoise measurementTelecommunicationsArtificial intelligenceImage (mathematics)Geophysics and Sensor TechnologyAdvanced Electrical Measurement TechniquesAdvanced MEMS and NEMS Technologies