The quality and safety of food is an increasing concern for worldwide business. Non-
destructive methods (NDM), as a means of assessment and instrumentation have created an …

This article provides a review on X-ray pulsar-based navigation (XNAV). The review starts
with the basic concept of XNAV, and briefly introduces the past, present and future projects …

How the relative position between two spacecraft can be estimated utilizing signals emitted
from X-ray pulsars is explained. The mathematical models of X-ray pulsar signals are …

This paper suggests utilizing X-ray pulsars for relative navigation between two spacecraft in
deep space. Mathematical models describing X-ray pulsar signals are presented. The pulse …

The recent flight experiments with Neutron Star Interior Composition Explorer (NICER) and
Insight-Hard X-ray Modulation Telescope (Insight-HXMT) have demonstrated the feasibility …

THERE will be an increasing number of deep space explorers in the future, which will put a
heavy burden on the current Earthbased deep space networks. Thus, it is necessary for …

This paper investigates the use of pulsar-based navigation for deep-space CubeSats. A
novel approach for dealing with the onboard computation of navigational solutions and …

Pulsar-based navigation for spacecraft is a revolutionary technology that has been
researched for several decades. To validate it, China launched a small experimental …

The newly launched X‐ray pulsar navigation‐I (XPNAV‐1) is an experimental satellite of
China that is designed for X‐ray pulsar observation. This paper presents the initial …

Abstract Space navigation using X-Ray pulsars is known as opportunistic navigation, where
we rely on signals of opportunity from natural phenomena to determine navigation solutions …