First stage of LISA data processing: Clock synchronization and arm-length 
determination via a hybrid-extended Kalman filter

Wang, Yang; Heinzel, Gerhard; Danzmann, Karsten

doi:10.1103/PhysRevD.90.064016

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First stage of LISA data processing: Clock synchronization and arm-length determination via a hybrid-extended Kalman filter

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Wang, Yang
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Heinzel, Gerhard
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Danzmann, Karsten
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Citation

Wang, Y., Heinzel, G., & Danzmann, K. (2014). First stage of LISA data processing: Clock synchronization and arm-length determination via a hybrid-extended Kalman filter. Physical Review D, 90: 064016. doi:10.1103/PhysRevD.90.064016.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-68EA-6

Abstract

In this paper, we describe a hybrid-extended Kalman filter algorithm to synchronize the clocks and to precisely determine the inter-spacecraft distances for space-based gravitational wave detectors, such as (e)LISA. According to the simulation, the algorithm has significantly improved the ranging accuracy and synchronized the clocks, making the phase-meter raw measurements qualified for time- delay interferometry algorithms.