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A square loop antenna (SLA) based on the hybrid high impedance surface (HHIS) substrate is investigated. For achieving reconfigurable radiation pattern, the antenna includes four feeds which can be excited both individually and simultaneously. At the four corners of the four arms, the antenna is loaded with narrow metallic strips that serve as inductances for the sake of bandwidth expanding. The simulation...
In M2M applications, it is very common to encounter the ad hoc snapshot query that requires fast responses from many local machines in which all the data are distributed. In the scenario when the query is more complex, the communication cost for sending it to all the local machines for processing can be very high. This paper aims to address this issue. Given a reference set of multiple and large-size...
Particle filtering framework is widely used on tracking applications. In surveillance systems, it often combines with color information to achieve visual object tracking. However, the resource usage of this framework, including memory bandwidth and operation cycles, is very intensive to make a low cost real time object tracking unattainable. In this paper, an efficient architecture of color based...
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