نتایج جستجو برای: ultra wideband
تعداد نتایج: 64872 فیلتر نتایج به سال:
We present an overview of physical and mediumaccess-control (MAC) layer research for communication and localization in ultra-wideband (UWB) sensor networks for industrial applications, and provide a summary of our results obtained under the umbrella of the EU Integrated Project PULSERS. The focus of our work is on fundamental questions about UWB channel modeling, UWB channel capacity, efficient...
Array of Quasi Rhomboid Shaped Element Bowtie Antenna with Reflector for Ultra Wideband Applications
The demands for broadband services by wireless communication systems are rapidly growing. An ultra wideband radio technology has become an important topic for microwave communication because of its low cost and low power consumption. The ultra wideband technology is specified the frequencies ranging from 3.1 GHz to 10.6 GHz by Federal Communication Commission (FCC), which has a bandwidth ratio ...
In this paper, we present the feasibility of applying UWB radar signal to material characterization and distance measurement. Distance detection by using dynamic energy visualization method was presented and showed good agreement. This technique might be useful for searching and rescuing humans in disaster sites.
This paper summarizes the advantages of using Msequence as a stimulus for UWB radar and describes its architecture. In next the appropriate applications for this type of radar system are shown.
A novel monopole-type antenna, which covers the bandwidth 3.1 10.6 GHz is presented. The shorted and folded planar monopole antenna is constructed by folding a thin copper sheet in such a way that one edge of the radiating element is connected to the ground plane. Simulated and measured results show suitable characteristics for communications systems using ultrawide-band (UWB) technology. Moreo...
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