formal performance analysis for real time heterogeneous embedded systems
Báo cáo hóa học: " Research Article Design and Performance Evaluation of an Adaptive Resource Management Framework for Distributed Real-Time and Embedded Systems" pptx
... Gokhale, and D C Schmidt, “A platform-independent component modeling language for distributed real- time and embedded systems, ” in Proceedings of the11th IEEE Real Time and Embedded Technology and Applications ... middleware for dynamic, dependable real- time systems, ” Real- Time Systems, vol 20, no 2, pp 183–196, 2001 L R Welch, B A Shirazi, B Ravindran, and C Bruggeman, “DeSiDeRaTa: QoS management technology for ... form for download at http://deuce.doc.wustl.edu/ REFERENCES [1] S A Brandt, S Banachowski, C Lin, and T Bissom, “Dynamic integrated scheduling of hard real- time, soft real- time and non -real- time...
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Báo cáo hóa học: " Research Article Self-Timed Scheduling Analysis for Real-Time Applications" doc
... 486–503, 2001 [11] M Jersak, K Richter, and R Ernst, Performance analysis of complex embedded systems, ” International Journal of Embedded Systems, vol 1, no 1-2, pp 33–49, 2005 [12] R Reiter, ... van Meerbergen, “Multiprocessor resource allocation for hard -real- time streaming with a dynamic job-mix,” in Proceedings of IEEE Real- Time and Embedded Technology and Applications Symposium (RTAS ... given, since the simulation results only apply for the particular data streams that were used for testing This is unacceptable for hard -real- time systems We are convinced that the solution to...
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Performance analysis of space time block coded systems with channel estimation
... For STBC systems, BEP is preferred over PEP PEP is 35 CHAPTER BEP PERFORMANCE ANALYSIS OF ORTHOGONAL SPACE -TIME BLOCK CODES more suitable for space -time trellis codes Some BEP performance analysis ... BEP Performance Analysis of Orthogonal Space -Time Block Codes We present a symbol-by-symbol, channel estimation receiver for a space -time block coded system, and derive its analytical performance ... the EM loop, and good performance has been obtained in fast fading at the expense of high computational complexity Most of the performance analysis for space -time coded systems is in terms of...
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Numerical methods real time and embedded systems programming
... Data conversion methods Don Morgan Numerical Methods Real- Time and Embedded Systems Programming Numerical Methods Real- Time and Embedded Systems Programming Featuring in-depth coverage of: l ... are the result of a long and frustrating search for information on writing arithmetic routines for real- time embedded systems With instruction cycle times coming down and clock rates going up, it ... Methods /Real- Time and Embedded Systems Programming by Don Morgan p cm Includes Index ISBN l-5585l-232-2 Book and Disk set Real- time data processing Electronic digital computers—Programming I Title Embedded...
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Báo cáo khoa học: "A System for Real-time Twitter Sentiment Analysis of 2012 U.S" pdf
... must aggregate sentiment and tweet volume within each time period for each candidate For volume, the system outputs the number of tweets every minute for each candidate For sentiment, the system ... unique infrastructure and sentiment model to analyze in real- time public sentiment on Twitter toward the 2012 U.S presidential candidates Our effort to gauge political sentiment is based on bringing ... provide rich insights into the evolution of public sentiment toward the contenders Conclusion We presented a system for real- time Twitter sentiment analysis of the ongoing 2012 U.S presidential election...
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báo cáo hóa học: " Analysis of TDMA scheduling by means of Egyptian Fractions for real-time WSNs" doc
... Melhem, D Mosse, Time slot allocation for Real- Time messages with negotiable distance constraints, in Real- Time Technology and Applications Symposium (1998) 14 M Mock, E Nett, Real- Time Communication ... scheduled one by one, and afterwards, an analysis is performed by simulating the progress of time concerning the sensor network operation The simulations are performed for various bandwidths, that is, ... at energy preservation, real- time properties, fairness and a periodic schedule It is designed for energy preservation It is better to use the network for a small unit of time and then utilizing...
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Báo cáo hóa học: " Research Article Embedded System for Real-Time Digital Processing of Medical Ultrasound Doppler Signals" docx
... requested to perform all needed processing in real time In this paper, an embedded system for multichannel multigate (MCMG) US echography is described The system was conceived and realised as programmable ... the MCMG system and for real- time display purposes At any time, the acquisition can be stopped to download the data gathered in the circular buffer to the PC 2.1 Arbitrary waveform generator While ... CONCLUSION In this paper, an embedded system for real- time digital processing of US signals has been presented The system is capable of transmitting arbitrary waveforms, simultaneously demodulating...
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Báo cáo y học: "Base relative quantification framework and software for management and automated analysis of real-time quantitative PCR data" potx
... Cqrefernce , jl = Cq jl = (formula 13'; for definition of NRQ, see formula 15) Conversion of NRQs into CNRQs: ( formula ) n ) m =1 Step 2' ∑ Cqijkl SE Cq jkl = c ∏ NRQ jlm ( formula ) Calculation ... expression data using real- time quantitative PCR and the 2(-Delta Delta C(T)) method Methods 2001, 25:402-408 Pfaffl MW: A new mathematical model for relative quantification in real- time RT-PCR Nucleic ... form of XML files [15] Data can be imported from a number of data formats Two standards (qBase internal format and RDML (Real- time PCR Data Markup Language)) and a number of instrument spe- The...
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Tài liệu The Design and Performance of a Real-time CORBA Event Service doc
... on formalisms for realtime objects [23], relatively little published research on the design and performance of real- time OO systems exists Our Figure 2: TAO: An ORB Endsystem Architecture for ... Handbook for Real- Time Analysis: Guide to Rate Monotonic Analysis for Real- Time Systems Norwell, Massachusetts: Kluwer Academic Publishers, 1993 [34] A Gokhale and D C Schmidt, “Measuring the Performance ... several dimensions of real- time ORB endsystem design including real- time scheduling [5], real- time request demultiplexing [6], real- time I/O subsystem integration [7], and real- time concurrency and...
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Tài liệu Báo cáo khoa học: "TOWARDS A DICTIONARY SUPPORT ENVIRONMENT FOR REAL TIME PARSING" potx
... semi-formalised information concerning the interpretation of noun compounds and idioms also represents a rich and potentially very useful source of information for natural language processing systems ... language analysis In the longer term, therefore, the automatic construction of dictionaries for natural language processing systems may need to be based on techniques for the automatic analysis ... than formal precision; for example, words which qualify codes, such as "to be" in Figure 3, appear in italics and therefore, will be preceded by the font control character "45' But sometimes...
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Báo cáo khoa học: Emerging tools for real-time label-free detection of interactions on functional protein microarrays ppt
... promising technologies for the real- time label-free detection and characterization of protein interactions that may provide higher resolution functional data Common methods for studying protein ... profiles for proteins, domains and their modified forms [40] The detection of signal for all current HT protein interaction technologies at some level require either that an ASR is available for the ... depend on the development of labelfree methods for measuring the interactions Coupling functional protein microarrays to real- time label-free detection systems would enable a paradigm shift in our...
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young, driggers, jacobs - signal processiong and performance analysis for imaging systems
... Performance Analysis for Imaging Systems For a listing of recent titles in the Artech House Optoelectronics Series, turn to the back of this book Signal Processing and Performance Analysis for ... Basic Principles of Imaging Systems and Performance CHAPTER Introduction 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 “Combined” Imaging System Performance Imaging Performance Signal Processing: ... algorithms are real- time and widely used They stabilize images, provide super-resolution, adjust for detector nonuniformities, reduce noise and blur, and generally improve camera performance for those...
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Báo cáo hóa học: " Performance analysis for optimum transmission and comparison with maximal ratio transmission for MIMO systems with cochannel interference" pdf
... compensate for each other which makes the performance on BER is symmetric in T and R in the absence of CCI For example, the BER for (T, R) = (3,1) or (3, 2) will be the same as that for (T, R) ... Gaussian CCI case, the performance is not symmetric in T and R using the precise CCI model We can see that the performance is slightly better for T >R in a high order MIMO system, for example (T, R) ... versus SNR for 4-QAM with R = in an MRT-MIMO system at SIR = 10 dB (fading signal, fading CCI) Gaussian model always overestimates the performance for this case It is noted that the performance...
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Báo cáo hóa học: " Research Article Adaptive Linear Prediction Filtering in DWT Domain for Real-Time Musical Onset Detection" potx
... obtain a good trade-off between the real- time constraints and the detection performances, we propose an algorithm which yields good detection performances in realtime, also allowing to be scaled ... performed for two different scaled versions of the algorithm, a higher-end implementation and a lower-end one, showing remarkable performances for the first one and still acceptable performances for ... developed, a performing implementation has been also carried out on real- time embedded target (the TMS320C6747 floating-point processor powered by Texas Instruments), confirming the real- time versatility...
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Báo cáo hóa học: " Research Article Two-Dimensional Beam Tracing from Visibility Diagrams for Real-Time Acoustic Rendering" doc
... diagrams not just for constructing beam-trees but also to perform the whole path-tracing process In this paper we expand and repurpose the beam tracing method for applications of real- time rendering ... paths estimation time (s) Beam tracing time (s) 1.5 0.5 0.035 0.03 0.025 0.02 0.015 0.01 0.005 100 200 300 400 Walls Figure 14: Beam-tree building time for variable geometry for traditional beam ... conceived for the modeling of specular reflections only, some extensions of this method were proposed to account for other propagation phenomena Funkhouser et al [13], for example, account for diffusion...
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Báo cáo hóa học: " Research Article A Speed-Adaptive Media Encryption Scheme for Real-Time Recording and Playback System" pot
... mechanism for SAME is designed Finally, those schemes are integrated into AdmireRPS system Theoretical and experimental analyses show the performance of SAME is effective enough to support real- time ... Figures and 2, the Admire (ADvanced Multimedia Interactive Real- time Environment) system [2, 6, 7] is a heterogeneous wireless network-oriented large-scale multimedia collaboration system It is compatible ... or not CPU intensive Therefore, the SAME is effective enough for the high-volume real- time data in AdmireRPS Conclusions and Future Work In this paper, a security scheme for RPS system is designed...
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Báo cáo hóa học: "Research Article A Rules-Based Approach for Configuring Chains of Classifiers in Real-Time Stream Mining Systems Brian Foo and Mihaela van der Schaar" pot
... stream analysis, ” ACM SIGOPS Operating Systems Review, vol 40, no 3, pp 31–37, 2006 B Foo and M van der Schaar, “Distributed classifier chain optimization for real- time multimedia stream mining systems, ” ... the average performance However, the evolved rule, which chooses an algorithm based on the expected performance in the next time interval, is more likely to discover a rule that performs well ... for the next time interval From our experiments, the running time for determining the rule to reinforce during each iteration in SPERO was approximately 14.0 milliseconds, while the running time...
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