Abstract
In the process of our research, we have identified new methods of processing ultra-wide-band (UWB) radar signals and possibilities of the UWB radar use in aviation security systems. We paid our main attention to finding new algorithms for tracking the movement of a person behind an obstacle using the UWB radar. Such UWB radar application is typical for tracking the movement of people behind obstacles in case of security forces intervention at an airport. In the research process, we used methods of analysis, synthesis, and measured data from the performed experiment. The main contribution of the paper is the development of new algorithms for locating the movement of a person behind an obstacle using a straight- line method in the case of using two independent UWB radar systems. The article did not examine the accuracy of determining the position of a person behind the obstacle. We found that when applying the Kalman filter after signal processing by the straight-line method, the trajectory of the person’s movement behind the obstacle was smoother. The results of processing the measurement signals of UWB radar by the linear method have shown that this method is applicable to tracking a person behind an obstacle and can be used in aviation security systems.
Highlights
The International Air Transport Association (IATA) emphasizes that security and safety are key priorities for IATA and its member airlines
The developed UWB radar signal processing algorithms make it possible to improve the tracking of targets in a complex industrial environment, which will contribute to the safe orientation of the robot in this environment
The new method of determining the coordinates of the goal, which we present in our paper, allows us to determine the coordinates of the goal behind the obstacle with sufficient accuracy. This method of processing UWB radar signals can be used in the security applications of UWB systems
Summary
The International Air Transport Association (IATA) emphasizes that security and safety are key priorities for IATA and its member airlines. UWB sensor systems are used as Ground Penetrating Radar [6,7], to locate and search for people behind obstacles and walls [8,9], to locate general objects or robots [10], in the field of non-invasive diagnostics and detection in medicine [11,12,13], and in the automotive industry [14]. The authors of [19] present algorithms for processing UWB radar signals in tracking static and moving people. The published results in this area show that the created algorithms for processing the measurement signals of UWB radars enable sufficiently accurate tracking of people behind obstacles but require great demands on their practical implementation.
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