modeling of slip for wheeled mobile robots
environment learning for indoor mobile robots - andrade cetto & sanfeliu
... (EKF-SLAM).Explicit formulasfor twomobile platformsarepresented. First,weshowthe case of asimple linearone-dimensionalmobilerobot,the monobot .Then, we extend theanalysistothe more realisticcase of aplanarmobile ... some wayoftuning thememory length of thealgorithm. The twofunctionsproposed doso by meansofthe parameters α , β ,and a .The left plotinFigure1.8 showsthebehaviorofthe exponentialdecayrule forthe ... limit the value of the noise introduced by themeasurement model.These arguments might lead to the formulation of a strategy for the com-putation of the appropriate number of landmarks to use,...
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Performance Modeling of Critical Event Management for Ubiquitous Computing Applications pptx
... perform the action ,is the set of resources that are required to perform theaction ,is the average cost in performing , andis the average probability of successful completion of within for ... before the expiration of the . In the lattercase, criticality is mitigated successfully before expires. Higherthe RF for a criticality, lesser is the time (in terms of fraction of window -of- opportunity) ... under-stand the behavior of the manageability of criticalities. For sake of simplicity, we present simulation results for a system which canexpect only three types of criticalities, thereby...
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Báo cáo khoa học: "Discriminative Modeling of Extraction Sets for Machine Translation" pptx
... Association for Computational LinguisticsDiscriminative Modeling of Extraction Sets for Machine TranslationJohn DeNero and Dan KleinComputer Science DivisionUniversity of California, Berkeley{denero,klein}@cs.berkeley.eduAbstractWe ... Examples of two types of possible align-ment links (striped). These types account for 96% of the possible alignment links in our data set.alignment links A = {(i, j)} to an extraction set of bispans ... Ward, and Wei-Jing Zhu. 2002. BLEU: A method for automaticevaluation of machine translation. In Proceedings of the Annual Conference of the Association for Com-putational Linguistics.Andreas Stolcke....
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Báo cáo khoa học: Quantitative modeling of triacylglycerol homeostasis in yeast – metabolic requirement for lipolysis to promote membrane lipid synthesis and cellular growth potx
... consequence of the sharing of a constant amount of LD between an increasingnumber of cells.From our measurements, and in agreement withpublished data [16,17], we found that LD typicallyconsists of ... point of view, they allow the cell to dispose of excessmetabolites by storing them in an inert form. Whendemand for these metabolites is high, they are read-ily available without the need for ... andpromotes the rapid initiation of growth of quiescentcells exposed to glucose-containing media. TAG mobi-lization provides DAG and ⁄ or FA for the synthesis of phospholipids; forcing the system to utilize...
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modeling of sensing and transduction for p - type semiconducting
... a value of around 14 nmcorresponding to a pbvalue of around 1.4ì1023m3, see Eq. 16—and for the size of the grain-graincontact a value of around 100 nm (one fifth of the value of the grain ... for the low sensor signals of those materials inspite of their high surface reactivity and guidance on how toattempt the improvement of the sensor performance. It alsoexplains the origin of ... nmcorresponding to a pbvalue of around 4ì1025m3and the value of the size of the grain-graincontact a value of around 6 nm (a bit more than onehundredth of the value of the grain size). Figure...
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Báo cáo khoa học: "Quantitative modeling of the neural representation of adjective-noun phrases to account for fMRI activation" doc
... combina-tion of lexical items. An improved understanding of language processing in the brain could yield a more biologically-informed model of semantic representation of lexical knowledge. We there-fore ... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 638–646,Suntec, Singapore, 2-7 August 2009.c2009 ACL and AFNLPQuantitative modeling of the neural ... performed regression-based classification separately for the two types of ad-jectives. Notice that the number of phrases with object-modifying adjectives is much less than the number of phrases...
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Báo cáo hóa học: " Research Article A Family of Key Agreement Mechanisms for Mission Critical Communications for Secure Mobile Ad Hoc and Wireless Mesh Internetworking" pdf
... 13(a)(b)(c)110111101010000001011100110111101010000001011100Center of upper cubeCenter of front cubeCenter of back cubeCenter of down cubeCenter of left cubeCenter of right cubeFigure 9: Extracting nodes from ... did not change formation, and a three-partysession key of the triangle composed of the three remainingnodes of the tetrahedron that the leaving node was part of. 6.4. Analysis of the Algorithms. ... Wireless Communications and Networking 11Center of upper cubeCenter of front cubeCenter of back cubeCenter of down cubeCenter of left cubeCenter of right cube(a) (b)(e) (f)(c) (d)Figure...
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Báo cáo hóa học: " Research Article Penetration Loss Measurement and Modeling for HAP Mobile Systems in Urban Environment Jaroslav Holis and Pavel Pechac" pot
... frequency band for high altitude platform third-generation mobile systems and, potentially, next generation mobile systems, mobile WiMAX, for example, the new penetration loss model can be used for system ... comparison of penetration lossesas a function of the elevation angle for both frequencies andtwo types of buildings. For more clarity, only a fitted curve isshown for 2.0 GHz.The aim of this ... a lack of penetration models for HAPsystems with the exception of an empirical model for building penetration loss at 2.0 GHz for high elevation angles[6]. This model was developed for a scenario,...
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Báo cáo hóa học: " Research Article Hybrid Modeling of Intra-DCT Coefficients for Real-Time Video Encoding" potx
... number of techniques aim at deriving information regarding physicalcharacteristics of humans, mainly in the form of 3D head orfull-body models.The interest of the scientific community for anthro-pocentric ... surveillance videos, etc.) andextracts a wealth of useful information. A large cluster of algorithms target information related to the state or statetransitions of individuals: presence and position/posturethrough ... 21Department of Informat ics, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece2Informatics and Telematics Institute, CERTH, 57001 Thermi-Thessaloniki, Greece3Department of Computing,...
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Báo cáo hóa học: " Research Article Hybrid Modeling of Intra-DCT Coefficients for Real-Time Video Encoding" ppt
... characteristics of the proposed method and the reference codec [14] for (a) Foreman, (b) Glasgow, (c) Akiyo,and (d) Miss America.Additional operations are performed for the calculation of the residual ... relevant to the sum of fx(y)in(3). Therefore, ifwe can efficiently predict the ZQDCT coefficients for the63 AC coefficients, a lot of computations will be saved. Theprediction algorithms for the 49 DCT ... ArticleHybrid Modeling of Intra-DCT Coefficients for Real-Time Video EncodingJin Li, Moncef Gabbouj, and Jarmo TakalaFaculty of Computing and Electrical Engineering, Tampere University of Technology,...
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Báo cáo hóa học: " Research Article Interference Robust Transmission for the Downlink of an OFDM-Based Mobile Communications System" docx
... ference Robust Transmission for the Downlink of an OFDM-Based Mobile Communications SystemMarkus Konrad and Wolfgang GerstackerInstitute of Mobile Communications, University of Erlangen-Nuremberg, ... performance results for the conven-tionalQAMschemewithaDIRof0dBinFigures9 to 11are always inferior to that of the proposed scheme for spec-tral efficiencies of 1.0and1.5 bit/s/Hz. The results for ... afterchannel decoding for DIRs of at least 5 dB for the same spec-tral efficiency R. For higher values of DIR, gains up to 14 dBhave been noticed. The superior performance of the pro-posed scheme...
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Báo cáo hóa học: " Research Article Interference Robust Transmission for the Downlink of an OFDM-Based Mobile Communications " pptx
... ference Robust Transmission for the Downlink of an OFDM-Based Mobile Communications SystemMarkus Konrad and Wolfgang GerstackerInstitute of Mobile Communications, University of Erlangen-Nuremberg, ... performance results for the conven-tionalQAMschemewithaDIRof0dBinFigures9 to 11are always inferior to that of the proposed scheme for spec-tral efficiencies of 1.0and1.5 bit/s/Hz. The results for ... afterchannel decoding for DIRs of at least 5 dB for the same spec-tral efficiency R. For higher values of DIR, gains up to 14 dBhave been noticed. The superior performance of the pro-posed scheme...
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Báo cáo hóa học: " Advanced Integration of WiFi and Inertial Navigation Systems for Indoor Mobile Positioning" doc
... reserved.1. INTRODUCTION Mobile positioning becomes of increasing interest for thewireless telecom operators. Indeed, many applications re-quire an accurate location information of the mobile (context-aware ... attached to apart of the body that is only affected by the moves of the user.The belt (or the hips) is an interesting part of the body for collecting information about the behavior of the user.Interests ... the mobile is moving.2.1. Signal strength and propagation modelThe reception of a tuple of signal strengths does not lead di-rectly to the position of the device. A conversion of this tupleof...
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