real time operating system applications pdf

... 9.1: Identify Operating System Requirements In this activity, you will first identify the optimal operating system to use in a given situation. Next, you will analyze the operating system selection ... are no materials for this activity. Time to complete this activity: 15 minutes followed by a 10 minute discussion. Activity 9.1: Identify Operating System Requirements 63 Exercise ... Objectives After completing this activity, you will be able to: ! Identify the appropriate operating system for a given set of requirements and constraints. Before You Begin This activity...

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Ngày tải lên: 21/06/2014, 22:20

... 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 ... visualization modules and assemble them into a real- time processing pipeline. Streams applications are highly scalable so we can adjust our system to handle higher volume of data by adding ... desirable. Figure 1 shows our system s architecture and its modules. Next, we introduce our data source and each individual module. Figure 1. The system architecture for real- time processing Twitter...

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Ngày tải lên: 28/06/2014, 02:20

... input sequence is very long compared to the order of FIR filter L. This is especially true in real- time applications where the input sequence is of infinite duration. In order to use the efficient ... algorithm. There are two classes of FFT algorithms: decimation-in -time and decimation-in- frequency. In the decimation-in -time algorithm, the input time sequence is successively divided up into smaller sequences, ... samples of data. The execution time of the fft function depends on the input data type and the sequence length. If the input data is real- valued, it computes a real power-of-two FFT algorithm...

Ngày tải lên: 28/10/2013, 05:15

... of communication systems. In this chapter, we will introduce some selected DSP applica- tions in communications that played an important role in the realization of the systems. 9.1 Sinewave Generators and Applications When ... tab_0_PI .sect "cos_sin" SINEWAVE GENERATORS AND APPLICATIONS 401 9 Practical DSP Applications in Communications There are many DSP applications that are used in our daily lives, some of ... wireless communica- tion system is illustrated in Figure 9.22. The system can be divided into three sections: transmitter, receiver, and the communication channel. The system can also be distin- guished...

Ngày tải lên: 06/11/2013, 18:15

... bytes of nonvolatile static RAM. The real time clock is distinctive in that time- of-day and memory are maintained even in the absence of power. DS12C887 Real Time Clock www.dalsemi.com MOT 1 2 3 4 5 6 7 8 9 10 11 12 23 DS12C887 ... ns R/W Setup Time Before DS/E t RWS 50 ns Chip Select Setup Time Before DS, WR , or RD t CS 20 ns Chip Select Hold Time t CH 0ns Read Data Hold Time t DHR 10 80 ns Write Data Hold Time t DHW 0ns Mux’ed ... Address Valid Time to ALE Fall t ASL 30 ns Mused Address Hold Time to ALE Fall t AHL 10 ns Delay Time DS/E to AS/ALE Rise t ASD 20 ns Pulse Width AS/ALE High PW ASH 60 ns Delay Time, AS/ALE to...

Ngày tải lên: 12/12/2013, 09:15

... discrete -time linear time- invariant system. Let x(n) be the input sequence and y(n) be the output sequence of the system. If h(n) is the impulse response of the system, the output signal of the system ... xn); title( `Time- domain signal x(n)'); xlabel( `Time index'); ylabel(`Amplitude'); where title gives the plot with the title `Time- domain signal x(n)', xlabel labels the x-axis with `Time ... FOR DSP APPLICATIONS Appendix B Introduction of MATLAB for DSP Applications MATLAB (MATrix LABoratory) is an interactive technical computing environment for scientific and engineering applications. ...

Ngày tải lên: 25/01/2014, 19:20

... DSP run -time environment, and the host environment. In this section, we will present the data types that are used by the TMS320C55x C compiler. The C55x is designed for real- time DSP applications. ... typing firfltr infile coefile outfile <enter> The operating system passes the strings on the command line to main. More precisely, the operating system stores the strings on the command line in ... for different data types may vary from system to system. For example, in a workstation, the value of sizeof(int)is 4 (bytes), whereas on fixed-point DSP systems, the value of sizeof(int)is typically...

Ngày tải lên: 25/01/2014, 19:20

... However, this demands techniques that are suited for real- time, on-line monitoring of the chemical reaction processes. Among many other benefits, real- time, on-line characterization allows identification ... nucleophilic catalyst, 4-dimethylaminopyridine (4-DMAP). EESI-MS provides real- time information that allows us to determine the optimum time for terminating the reaction based on the relative intensities ... for the on-line characterization and full control of chemical and pharmaceutical reactions in real time. EXPERIMENTAL In the EESI source, the electrospray tip was placed 8 mm away from the cone...

Ngày tải lên: 14/02/2014, 08:20

... 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 ... their system and MIKE is that the system itself creates topics. The SOCCER system described in (Andr~ et al., 1994), combines a vision system with an intelligent multimedia generation system ... have described how MIKE, a live commentary generation system for the game of soccer, deals with the issues of real time content selection and realiza- tion. MIKE uses heterogeneous modules to...

Ngày tải lên: 20/02/2014, 18:20

... K. Oppenhaim and at.all: Discrete -time Signal Processing, Prentice Hall, 1999. 7. D.J.DeFatta, J.G.Lucas and W.S. Hodgkiss, Digital Signal Processing: A System Design Approach, Wiley, New ... (Corrupthandel.wav) for the digital signal processor. The two noise sinusoidal signals are generated by the real- time low frequency generator. To recover the original segment of symphony orchestra using TMS320C6711, ... Digital Signal Processing: A System Design Approach, Wiley, New York NY 1988. 8. R. Chassaing, DSP Applications using C and the TMS320C6X DSK, John Wiley & Sons , INC. 2002. 9. James H.McClellan,...

Ngày tải lên: 05/03/2014, 14:20

... model certain class of real- time systems like a biphase mark protocol [31]. The Alur-Dill timed automata framework [1] is arguably the best known framework to model a real- time system, and is the ... exclusion 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 ... parametric 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,...

Ngày tải lên: 07/03/2014, 17:20

... Solaris Operating System ■ Oracle Database Quick Installation Guide for Solaris Operating System (SPARC 64-Bit) ■ Oracle Database Client Quick Installation Guide for Solaris Operating System (SPARC ... Release Notes for Solaris Operating System ■ Oracle Database Client Installation Guide for Solaris Operating System ■ Oracle Database Examples Installation Guide ■ Oracle Real Application Clusters ... volume, bypassing the operating system file system layer. However, since raw devices can be difficult to create and administer, and because the performance gains over modern file systems are minimal,...

Ngày tải lên: 23/03/2014, 16:20