Arrangement and method for determining position and attitude of a flight vehicle, in particular of a space vehicle

摘要

A spacecraft (12, 14) positioning system (10) has an earth segment (16) with several pseudolite stations (18) placed on the earth so that navigation signals (20) using unique pseudo random spreading codes can be received from at least five in all phases of the spacecraft flight and a maximum number during flight start. Independent claims are included for pseudolite stations and sensors.