Maps of the Rees–Sciama (RS) effect are simulated using the parallel N-body code, hydra, and a run-time ray-tracing procedure. A method designed for the analysis of small, square cosmic microwave background (CMB) maps is ...
Fullana Alfonso, Màrius Josep; Saez Milán, Diego Pascual; Arnau, J.V.; Puchades Colmenero, Neus(UP4 Institute of Sciences, S.L., 2018)
[EN] We make some considerations about Relativistic Positioning Systems (RPS). Four satellites are needed to position a user.
First of all we define the main concepts. Errors should be taken into account. Errors depend ...