Advanced information technologies, such as artificial intelligence (AI) and big data analytics,
along with global navigation systems and the Internet of Things (IoT), are increasingly …

Thanks to the support of Inertial Navigation Systems (INS), Global Navigation Satellite
Systems (GNSS) provide a navigation positioning solution that, in the absence of satellite …

According to the IHO (International Hydrographic Organization) S-44 standard, hydrographic
surveys can be carried out in four categories, the so-called orders—special, 1a, 1b, and 2 …

This paper focused on assessing the effectiveness of the signal Doppler frequency (SDF)
method to locate a mobile emitter using a swarm of unmanned aerial vehicles (UAVs) …

In civil or military applications, a transmitter on Earth may utilize different means of
communications. A typical example is the naval craft, which often radiates very high …

Geodetic network GNSS receivers are more commonly associated with positioning systems
used in maritime hydrography. In terms of positioning accuracy when no terrain obstacles …

The use of unmanned surface vehicles (USVs) to protect strategic maritime facilities is one of
the directions of development of state security systems. The reliable operation of these …

This paper is the fourth in a series of publications presenting the process of installation,
testing and long-term assessment of the navigational parameters of the Polish DGPS …

Currently, almost unrestricted access to low‐lying areas of airspace creates an opportunity
to use unmanned aerial vehicles (UAVs), especially those capable of vertical take‐off and …

The basis for development the Doppler location method, also called the signal Doppler
frequency (SDF) method or technology is the analytical solution of the wave equation for a …