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Aiming at farmland information monitoring in remote mountain areas, using wireless sensor networks (WSNs) and unmanned aerial vehicle (UAV) is a good way to collect the information. However, UAV has some limitations, such as energy, that have limitation on the work time of UAV. Therefore, the path planning for UAV is an important factor in order to gather data correctly. Considering the irregularity...
Reference picture management is an important part in video encoding and decoding process, and has great influence on the coding performance. In this paper, a flexible reference picture management scheme is proposed for the second generation of Audio Video Coding Standard (AVS2). In the proposed scheme, reference configuration set (RCS), which consists of reference picture information, is used to manage...
Mesh-based overlay has emerged as a promising scalable solution for distributing live video stream, but it relies on random selections of neighbors, without optimizing the overlay by exploiting peer location and bandwidth, which leads to high delay incurred during video diffusion. In order to reduce the diffusion delay, we design a Location and Bandwidth (LB) balance overlay with hierarchical structure,...
This paper considers the asymptotic stability problem for switched Hopfield neural networks with time-varying delay under hysteretic switching rule. The parameter uncertainties are considered and assumed to be norm bounded. Single Lyapunov function method is used to analyze the stability property and design the hysteretic switching rule, which is designed according to current state and the previous...
In PWM converter, the serious electromagnetic interference (EMI) is occurred due to high speed operation of switch devices. In this paper, production mechanism of common mode (CM) current in single phase full-bridge converter is analyzed, and severe affection to CM current owing to different transmission delays of two drive pulses is illustrated. It is proposed a digital CM current suppression method...
In PWM converter, the serious electromagnetic interference (EMI) is occurred due to high speed operation of switch devices. In this paper, production mechanism of common mode (CM) current in single phase full-bridge converter is analyzed, and severe affection to CM current owing to different transmission delays of two drive pulses is illustrated. It is proposed a digital CM current suppression method...
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