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In the past period, great efforts have been made to develop methods for people detection based on monitoring their respiratory motion using ultra-wide band sensors (radars). The basic principle of these methods consists in the detection of signal components of raw radar data possessing a significant power in the frequency band 0.1 Hz-0.7 Hz (a frequency range of human respiratory rate) for a constant...
In the past period, great efforts have been made to develop methods for the people detection based on monitoring their respiratory motion using ultrawideband (UWB) radar. The basic principle of the respiratory motion detection consists in the identification of sensor signal components possessing a significant power in the frequency band 0.1–0.7 Hz (frequency band of human respiratory rate) corresponding...
In the past period, great efforts have been made to develop the methods for the detection of human beings based on a monitoring their respiratory motion. For that purpose, ultra-wideband sensors (radars) operating in the frequency band DC-5GHz can be used with advantage. The basic principle of respiratory motion detection consists in the identification of sensor signal components possessing a significant...
In the past few years, great efforts have been made to develop a methods for through-the-wall detection of the vital signs of a human being such as breathing or heart beating. For such purpose, UWB sensor (radar) operating within the frequency band DC-5 GHz can be used as proper technical tool. In contrast to moving target localization is this task much more challenging. The basic principle of a breathing...
In this paper we are focused on localization and tracking of uncooperative human beings moving in a height-diverse environment. The aim is not to visualize the target shape or its contours as it is in the case of target imaging, but to estimate person positions in 3-dimesional (3D) space. For that purpose we will introduce a simple 3D localization approach developed for ultra wideband (UWB) radar...
Ultra-wideband radar can be very useful for localization and tracking of moving persons under emergency situations. However, in the case of their applications in real environment, the effect of defective detection and localization of moving targets can result in incorrect evaluation of number and positions of the particular targets. Therefore, understanding of that effect is very important for the...
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