Affected by the spatial environment, the accuracy and stability of ultra-wideband (UWB)
positioning in a narrow space are significantly lower than those in the general indoor …

The momentum taken by the space sector in the exploration of our Moon pushes private and
governmental actors to intensify their efforts for launching missions to our natural satellite. In …

The latest space missions have unveiled GNSS usability for distances greater than 187 000
km from the Earth's surface. The actual availability and usability of GNSS signals beyond …

With the continuous advancement of deep space exploration missions, the solar system
boundary exploration mission is established as one of the China's most important deep …

Sunlight arrival time delay is an innovative measurement for celestial navigation, which
provides the distance information between the spacecraft and the nearby celestial body. For …

The ephemeris of a pulsar is stable for a long time, which allows navigation based on pulsar
orientation to be vector feasible. The formation of a satellite navigation model using the …

For the estimation methods of the pulsar TOA (time-of-arrival) based on CS (compressed
sensing), it is very important to construct the measurement matrix, which affects accuracy …

X-ray Pulsar Navigation (XPNAV) uses the Time Difference of Arrival (TDOA) of the pulsar
signal between the spacecraft and Solar System Barycentre (SSB) to determine position. In …

In this paper, comprehensive pulsar-based Guidance, Navigation and Control (GNC) system
is designed and applied to satellites formation flying. The complete autonomy of the X-ray …

The capability of full-tensor gravity gradients for spacecraft orbit determination has been
demonstrated in recent studies. The advantages lie in its independence from ground-based …