High-precision interpolation of LISA phase measurements allows signal reconstruction and formulation of Time-Delay Interferometry (TDI) combinations to be conducted in post-processing. The reconstruction is based on phase measurements made at approximately 10 Hz, at regular intervals independent of the TDI delay times. Interpolation introduces an error less than 1e-8 with continuous data segments as short as two seconds in duration. Potential simplifications in the design and operation of LISA are presented.
@article{arxiv.gr-qc/0406106,
title = {Post-processed time-delay interferometry for LISA},
author = {D. A. Shaddock and B. Ware and R. E. Spero and M. Vallisneri},
journal= {arXiv preprint arXiv:gr-qc/0406106},
year = {2009}
}