real time operating system used in embedded system

... quality of speech engines. Finally, we demonstrate a human-computer interaction software in T-Engine embedded system. I. INTRODUCTION In this paper, we are concerned with the combination of speech ... implementation of human-computer interaction system in T- Engine embedded system, besides our enhancement and optimization allow system to be implemented in low resource embedded systems. The complete ... provide concluding remarks. II. T-ENGINE INTRODUCTION The T-Engine is a project to develop a standardized, open, real time computing system and development environment. The T- Engine has standardized...

Ngày tải lên: 12/04/2013, 16:05

... requirement in terms of the number of subcarriers per symbol are obtained by the following modified LWDF scheduling algorithm. In our algorithm, the system time is scaled in terms of OFDM symbol time. ... distribution, and reproduction in any medium, provided the original work is properly cited. 1. Introduction Demands for real- time multimedia applications are increas- ing rapidly for broadband wireless ... packet scheduling has been identified as an important mechanism in wired networks. When considering the multipath fading, high error rate, and time- varying channel capacity in wireless links, some...

Ngày tải lên: 21/06/2014, 20:20

... Pedestrian Counting System Based on Echo State Network. In this article, Mathews and Poign ´ e present a pedestrian counting system using distributed sensing. According to its performance, the system ... papers with interesting solutions within the topic of the special issue. We hope that this special issue will be as inspiring as it was for the editorial team. In This Issue. The articles in this ... to traditional ways of engineering solutions. Many possible intelligent methods for embedded systems are biologically inspired, such as neural networks and genetic algorithms. Multiagent systems are also...

Ngày tải lên: 21/06/2014, 20:20

... 2 EURASIP Journal on Embedded Systems transformation are in fact removed afterwards by the Esterel compiler. In the paper “Code generation in the Columbia Esterel compiler,” by ... the forthcoming release of Scade 6. In the paper “Formal methods for scheduling of latency- insensitive designs,” by J. Boucaron, R. de Simone, and J V. Millo, the authors address the design of latency-insensitive architectures. ... presentations and the issue. We also thank the Editor -in- Chief for encouraging us to bring out this special issue. Alain Girault S. Ramesh Jean-Pierre Talpin ...

Ngày tải lên: 22/06/2014, 19:20

Ngày tải lên: 22/06/2014, 19:20

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Ngày tải lên: 09/08/2014, 10:21

Ngày tải lên: 12/08/2014, 03:20

Ngày tải lên: 13/08/2014, 19:20

... Hindawi Publishing Corporation EURASIP Journal on Embedded Systems Volume 2008, Article ID 502768, 2 pages doi:10.1155/2008/502768 Editorial Operating System Support for Embedded Real- Time ... pro- cess control, multimedia processing, instrumentation, and so on, where the system has to act within a speci- fied interval. (iii) Embedded control systems. Most of the embedded sys- tems perform ... embed- ded operating system must provide. Embedded systems can be defined as computing systems with tightly coupled hardware and software that are designed to p erform a dedicated function. The word embedded...

Ngày tải lên: 21/06/2014, 22:20

... 1: In PW Doppler investigations, an US pulse is transmitted into tissues during each PRI, causing echoes travelling back to the transducer carrying information about tissue interfaces and moving particles. TX amplification RX amplification DAC ADC FPGA SDRAM DSP To display 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 ... elasticity typical of aging. 4. 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,...

Ngày tải lên: 22/06/2014, 01:20

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Ngày tải lên: 28/06/2014, 02:20

Ngày tải lên: 12/05/2013, 10:21

Ngày tải lên: 01/01/2014, 18:47

... cm) Ordering Information 3.5-Inch Chassis – 4 Single Plug -In Modules The 3.5-inch VAM chassis fits into any 19-inch rack mounting environment. It accommodates a maximum of four plug -in modules, ... cm) Ordering Information 1.75-Inch Chassis – 2 Single Plug -In Modules The 1.75-inch VAM chassis fits into any 19-inch rack mounting environment. It accommodates a maximum of two plug -in modules, ... damage Angled retainers Maintains minimum bend radius of fiber patch cords Horizontal mounted plug -in modules Modules can be added or removed from the chassis without interfering with existing terminated...

Ngày tải lên: 24/01/2014, 11:20

... safety verification of real- time systems in which “correct orderings of events” needed for system correctness are maintained by timing constraints on the systems’ behavior. By using EOA, one can separate ... algorithm. 1 Introduction In a typical real- time system, timing constraints on the system s behavior are used to ensure its correctness. Such a system is often modeled by using a set of timing parameters, ... occur; and 2. Derivation of timing parameter constraints for correct orderings of events in the system. To use EOA, the user models a real- time system by using the time- interval automata (TIA) framework,...

Ngày tải lên: 07/03/2014, 17:20

... generating data for model training and testing, we used a crowd- sourcing approach to do sentiment annotation on in- domain political data. To create a baseline sentiment model, we used Amazon ... Work In the last decade, interest in mining sentiment and opinions in text has grown rapidly, due in part to the large increase of the availability of documents and messages expressing personal ... based on bringing together social science scholarship with advanced computational methodology: our approach combines real- time data processing and statistical sentiment modeling informed by,...

Ngày tải lên: 16/03/2014, 20:20

... hand, responding to a user utterance in real time requires understanding it and updating the belief state in real time; thus, it is impossible to wait for subsequent inputs to determine boundaries. ... for incrementally un- derstanding user utterances whose semantic bound- aries are not known and responding in real time even before boundaries are determined. It is an integrated parsing ... solved by incremen- tal understanding, which means obtaining the most plausible interpretation of user utterances every time a word hypothesis is inputted from the speech recog- nizer. For incremental...

Ngày tải lên: 17/03/2014, 07:20