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Convolution computing plays an important role in scientific computing. However, traditional Message Passing Interface (MPI) model has the disadvantages such as massive message passing and load-unbalancing. According to these problems, this paper propose a new parallel convolution based on MPI model, which is able to effectively balance the load as well as bring great reduction on message passing....
This paper proposed a random multi-access protocol STPRM-A (slotted three-dimension probability random multi-access protocol with acknowledgement) for wireless communication. Performance of STPRM-A was evaluated by mathematical expression of channel throughput and delay of packet. The characteristic comparison between STPRM-A and PDPMRM was present. Experiment and simulation results validated correction...
A new algorithm is proposed to solve the issue of dynamically changing tracking window size in Mean-shift progress. Firstly, the algorithm detects feature points in the target area of current and previous frames using SURF. Epanechnikov kernel function is introduced to increase the weights of feature points in the central area. After matching feature points in two frames, we can calculate the target...
We describe a second-generation toolset for computer-aided nonlinear control system analysis and design based on sinusoidal-input describing function (SIDF) methods. There are two main elements in our CAD software: a simulation-based program for generating amplitude-dependent SIDF input/output models for nonlinear plants, and a frequency-domain nonlinear compensator design package. Both of these are...
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