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The aim of this paper is to develop a design of autonomous flight control system for a small-scale unmanned aerial vehicle (UAV). The hardware of autopilot is based on ATmega 2560, which is one of the best low-power MCU. High accuracy sensors including MPU6000, HMC58831, MS5611 are integrated into the autonomous flight control system. Laser distance sensor is used in measuring the altitude in auto...
Development of Virtual Reality in architecture design is relatively slow than in the field of entertainment. One reason of it is because the demand of architect in design is not adequately reflected in the VR application. This article analyzes the current limitations of VR technology in the field of architecture design firstly, and then summarizes three main characteristics of VR application in architecture,...
In this paper, the relations among the active power distribution, modulation wave and unbalanced loads range are analyzed. A maximum unbalanced loads range is proposed by modifying modulation waveforms under the unity power factor. And a modified staircase modulation, which is easy to realize, is proposed for a single-phase cascaded H-bridge multilevel rectifier to extend the range of unbalanced loads...
Every user has a distinct background and a specific goal when searching for information on the Web. The goal of Web search personalization is to tailor search results to a particular user based on that user's interests and preferences. This paper presents an approach of search engine optimization based on algorithm of BP neural networks aiming at meeting the increasing requirements of modern people...
In this paper, a new method of personalized retrieval based on algorithm of BP(Back Propagation) Neural Networks is establish to meet the growing demand for search. The method which can make search engines more intelligent and more personalized tries to provide the best search results.
Randić et al. proposed a significant graphical representation for DNA sequences, which is very compact and avoids loss of information. In this paper, we build a fast algorithm for this graphical representation with time complexity O(n2), and find another important advantage in the representation: no degeneracy. Moreover, we propose a new method to do similarity analysis of DNA sequences based on...
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