Postprocessed time-delay interferometry for LISA

Daniel Shaddock; B Ware; Robert  Spero; M Vallisneri

doi:10.1103/PhysRevD.70.081101

Postprocessed time-delay interferometry for LISA

Daniel Shaddock, B Ware, Robert Spero, M Vallisneri

Research output: Contribution to journal › Article › peer-review

Abstract

High-precision interpolation of LISA phase measurements allows signal reconstruction and formulation of time-delay interferometry (TDI) combinations to be conducted in postprocessing. The reconstruction is based on phase measurements made at approximately 10 Hz (for a 1 Hz signal bandwidth) at regular intervals independent of the TDI delay times. Interpolation introduces an error less than 1 Ã— 10-8 with continuous data segments as short as 2 s in duration. The 10 Hz sampling rate represents an increase from the 2 Hz sampling rate needed for the original implementation of TDI. The advantages of this technique include increased flexibility of the data analysis and significantly simplified hardware.

Original language	English
Pages (from-to)	081101 - 1-5
Journal	Physical Review D-Particles, Fields, Gravitation and Cosmology
Volume	70
DOIs	https://doi.org/10.1103/PhysRevD.70.081101
Publication status	Published - 2004

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10.1103/PhysRevD.70.081101

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abstract = "High-precision interpolation of LISA phase measurements allows signal reconstruction and formulation of time-delay interferometry (TDI) combinations to be conducted in postprocessing. The reconstruction is based on phase measurements made at approximately 10 Hz (for a 1 Hz signal bandwidth) at regular intervals independent of the TDI delay times. Interpolation introduces an error less than 1 {\~A}— 10-8 with continuous data segments as short as 2 s in duration. The 10 Hz sampling rate represents an increase from the 2 Hz sampling rate needed for the original implementation of TDI. The advantages of this technique include increased flexibility of the data analysis and significantly simplified hardware.",

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year = "2004",

doi = "10.1103/PhysRevD.70.081101",

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AU - Ware, B

AU - Spero, Robert

AU - Vallisneri, M

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AB - High-precision interpolation of LISA phase measurements allows signal reconstruction and formulation of time-delay interferometry (TDI) combinations to be conducted in postprocessing. The reconstruction is based on phase measurements made at approximately 10 Hz (for a 1 Hz signal bandwidth) at regular intervals independent of the TDI delay times. Interpolation introduces an error less than 1 Ã— 10-8 with continuous data segments as short as 2 s in duration. The 10 Hz sampling rate represents an increase from the 2 Hz sampling rate needed for the original implementation of TDI. The advantages of this technique include increased flexibility of the data analysis and significantly simplified hardware.

U2 - 10.1103/PhysRevD.70.081101

DO - 10.1103/PhysRevD.70.081101

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JO - Physical Review D-Particles, Fields, Gravitation and Cosmology

JF - Physical Review D-Particles, Fields, Gravitation and Cosmology

ER -

Postprocessed time-delay interferometry for LISA

Abstract

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