features of real time operating system wikipedia

... last 20 years operating systems and their environments have undergone dramatic expansion in size, scope and complexity. The Alto operating system [22], a workstation operating system of the early ... Proceedings of the 11th Operating Systems Principles, November, 1987 Abstract Mach is a multiprocessor operating system being implemented at Carnegie-Mellon University. An important component of the ... Schwans, K., and Vegdahl, S. StarOS, a Multiprocessor Operating System for the Support of Task Forces. In Proceedings of the 7th Symposium on Operating System Principles, pages 117-129. ACM, December,...

Ngày tải lên: 12/09/2012, 15:05

Ngày tải lên: 26/11/2013, 13:23

... combines a vision system with an intelligent multimedia generation system to provide commen- tary on 'short sections of video recordings of real soccer games'. The system is built ... generation system for the game of soccer, deals with the issues of real time content selection and realiza- tion. MIKE uses heterogeneous modules to recognize various low-level and high-level features ... produce a real time narration. 2.2 What, How and When-to-Say The previous section pointed out that contents should be uttered at the right time; that is, real time discourse systems should...

Ngày tải lên: 20/02/2014, 18:20

... expressed as copies of viral DNA per 100 µL of virus suspension. The reliability of real- time PCR was defined by calculating coefficients of variation of Ct values of replicates of standard curve ... fluorescence was read at 60°C at the end of the cycle. Real- time PCR amplification data were analyzed using the Bio-Rad iCycler iQ™ Multicolor Real- Time PCR Optical System Software Version 3.1. A standard ... http://www.virologyj.com/content/3/1/3 Page 3 of 5 (page number not for citation purposes) A – C: Analysis of HA and quantitative real- time PCR data employed for the determination of JC viral loadFigure 1 A – C: Analysis of HA and...

Ngày tải lên: 19/06/2014, 08:20

... per mL) Real time PCR (DNA copies per mL ) Figure 1: Comparison of real time PCR with the Roche Amplicor Monitor in 10 HBsAg positive samples Table 3: Viral load in relation to age group of carriers ... study aimed at developing a real- time quantitative PCR assay to monitor HBV serum virus load of chronic carriers enrolled in therapeutic trials. Method: Quantitative real- time PCR assay was carried ... quantification of virus load as a measure of replication of HBV in patients with chronic liver disease. Prior to the development of the polymerase chain reaction (PCR) a number of hybridisa- tion...

Ngày tải lên: 20/06/2014, 01:20

... expressed as copies of viral DNA per 100 µL of virus suspension. The reliability of real- time PCR was defined by calculating coefficients of variation of Ct values of replicates of standard curve ... fluorescence was read at 60°C at the end of the cycle. Real- time PCR amplification data were analyzed using the Bio-Rad iCycler iQ™ Multicolor Real- Time PCR Optical System Software Version 3.1. A standard ... http://www.virologyj.com/content/3/1/3 Page 3 of 5 (page number not for citation purposes) A – C: Analysis of HA and quantitative real- time PCR data employed for the determination of JC viral loadFigure 1 A – C: Analysis of HA and...

Ngày tải lên: 20/06/2014, 04:20

... transmitted power of the antenna, (ii) malfunction of circuit components, (iii) fluctuations of the operating voltage, (iv) the current state of the switching circuits, (v) data failure in the system. Figure ... well as in the left side of Figure 3, the capacity of the dual-polarized antennas is independent of the overall aperture of the array. Increasing the number of antennas of both the base and the ... Block diagram of the transceiver The block diagram of Figure 11 gives an o verview of the analog signal processing of a transceiver. Each transceiver of our demonstrator consists of filters, amplifiers,...

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 12/08/2014, 03:21

Ngày tải lên: 12/08/2014, 04:21

Ngày tải lên: 12/08/2014, 23:23

Ngày tải lên: 13/08/2014, 23:20

Ngày tải lên: 14/08/2014, 17:22

... module. Figure 1. The system architecture for real- time processing Twitter data Preprocessing e.g.,Tokenization Match Tweet to Candidate Real- time Twitter data Throttle Sentiment Model Aggregate ... of Southern California, Los Angeles, CA {haowang@, dogancan@, kazemzad@, fbar@, shri@sipi}.usc.edu Abstract This paper describes a system for real- time analysis of public sentiment ... 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 outputs the number of positive,...

Ngày tải lên: 16/03/2014, 20:20

... in parallel, speed of the FPGA implementation of any system is higher than speed of its software implementation. Furthermore, FPGAs are reconfigurable device, minimizing time- to-market, and ... including number of Slices, number of Slice Flip Flops, number of 4 input LUTs, and number of block RAM, are shown in data of this minimum or maximum, d i–4 , is obtained from R4 of the register ... processing of closed eyes. In total, the accuracy of the proposed system to detect the state of eyes reaches 89.3%. For further test of the proposed algorithm, we captured 70 images of the eyes...

Ngày tải lên: 21/06/2014, 19:20

... re- quirements. As a result of these limitations, the system hastodealwithanefficient use of the computational resources. (ii) Real- time application requirements. Some of the ap- plications to be ... Quality of service. An efficient use of the system re- sources is a must in embedded systems. Feedback- based approaches are being used to adjust the per for- mance or quality of service of the ... large variety of applications where embed- ded systems play an important role, from small stand-alone systems, like a network router, to complex embedded systems supporting several operating execution...

Ngày tải lên: 21/06/2014, 22:20

... of the reduced arterial 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 ... real time. In this paper, an embedded system for multichannel multigate (MCMG) US echography is described. The system was conceived and realised as programmable research plat- form, capable of ... through an USB 2.0 channel to a host PC where proprietary software is used to configure the MCMG system and for real- time display purposes. At any time, the acquisition can be stopped to download the...

Ngày tải lên: 22/06/2014, 01:20

Ngày tải lên: 28/06/2014, 02:20

Ngày tải lên: 05/09/2013, 10:15

Ngày tải lên: 05/09/2013, 15:28