real time applications of distributed operating system
Báo cáo hóa học: " Editorial Operating System Support for Embedded Real-Time Applications" potx
Ngày tải lên :
21/06/2014, 22:20
... 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 applications ... 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 ... 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...
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Báo cáo khoa học: Observation of a chaotic multioscillatory metabolic attractor by real-time monitoring of a yeast continuous culture doc
Ngày tải lên :
07/03/2014, 10:20
... appearance of a
cluster of repeated crossings of the section. In these cases,
we averaged the crossing times in a cluster. Calculation of
the cycle time based on the absolute maximum of each
cycle ... pairs of points in the time series where the
threshold P
32
=
P
40
ẳ 7 was crossed in the increasing direc-
tion. The cycle time is then the time between crossings of
this section. Noise sometimes ... as the slope of the longest linear section in the
graph of the logarithmic separation as a function of time
for nearest neighbors in the time- delay embedding. The
determination of this linear...
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Báo cáo khoa học: "Real-Time Correction of Closed-Captions" potx
Ngày tải lên :
08/03/2014, 03:20
... Figure 1: Real- time corrector software.
Source of alternates coverage (%)
Word confusion matrix 52%
Phoneme confusion matrix 37%
Combined 60%
Table 1: Coverage of substitutions (dev ... into
consideration and the fact that 48% of the words
were common to both lists. On this basis, we have
constructed an alternate list of 10 words comprised
of the most likely 7 words of case 1; the remaining ... two pre-computed sources
of alternate word lists:
1. A list of frequently confused words was com-
puted from all the available closed-captions of
our speech recognition system for which corre-
sponding...
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3d game engine architecture - engineering real time applications with wild magic - david h eberl
Ngày tải lên :
04/06/2014, 11:53
... few
more systems you need, each requiring a superhuman effort to build them all, but
certainly within reach of a team of people per system. The rest of the book focuses on
the management of data ... details that arose in the development of the real- time 3D game engine
NetImmerse. The expression “game engine” was used because, at the time of the
development of NetImmerse, that was what such large ... a
logarithmic -time binary search to determine existence of an element. The ordering
also supports logarithmic -time insertion and deletion. Unfortunately, real- time en-
gines sometimes have performance...
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Báo cáo hóa học: " Real-time detection of musical onsets with linear prediction and sinusoidal modeling" pot
Ngày tải lên :
20/06/2014, 22:20
... to
be the start of a partial, and so the amplitude difference
is equal to the amplitude of the peak, P
k
(n).
5 Evaluation of real- time ODFs
This section provides evaluations of all of the ODFs
described ... by each ODF to process real- time audio
streams, with a buffer size of 512 samples, a frame size
of 2048 samples, a linear prediction model of the order
of 5, and a maximum of 20 peaks per frame ... detection accuracy of existing ODFs. Our
algorithms are suitable for real- time use, and the resul ts
were compiled from real- time data. In contrast, the
results given in [19] are based on off-line processing,
and...
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báo cáo hóa học: " Real-time detection of musical onsets with linear prediction and sinusoidal modeling" pptx
Ngày tải lên :
21/06/2014, 00:20
... by each ODF to process real- time audio
streams, with a buffer size of 512 samples, a frame size
of 2048 samples, a linear prediction model of the order
of 5, and a maximum of 20 peaks per frame ... to
be the start of a partial, and so the amplitude difference
is equal to the amplitude of the peak, P
k
(n).
5 Evaluation of real- time ODFs
This section provides evaluations of all of the ODFs
described ... treatment to operate
with the limitations of strict real- time operation (defined
in Section 2.1). As this article focuses on the evaluation
of different ODFs in real- time, the peak-picking and
thresholding...
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Báo cáo hóa học: " Research Article Hard Real-Time Performances in Multiprocessor-Embedded Systems Using ASMP-Linux" docx
Ngày tải lên :
22/06/2014, 19:20
... are
delivered. A real- time system is a computer system that is able
to run real- time applications and fulfill their requirements.
4.1. Hard and soft real- time applications
Real- time systems and applications ... indicator of the hard real-
time capabilities of a system: if the jitter is greater than a crit-
ical threshold, the system cannot be considered as real- time.
As a consequence, a real- time operating system ... the execution of the real- time application. On the
other hand, if some nonreal -time interrupts occur between a
real- time event and the wakeup of the real- time applications,
the time spent by...
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Báo cáo hóa học: " Research Article Self-Timed Scheduling Analysis for Real-Time Applications" doc
Ngày tải lên :
22/06/2014, 19:20
... audio signal, video applications are often implemented
as soft real time, while most ra dio and audio applications are
treated as hard real time.
Contrarily to real- time control applications where ... The maximum value of m, for which increasing the
startofiterationkofactori has no effectonthestarttimeof
iteration q of actor j, with q<k+ m,canbecomputedin
polynomial time.
Proof. For each edge ... because of that, the instance k corresponds to the
(k + 1)th firing. Furthermore, we denote the finishing time
of iteration k of actor i by f (i, k) and the execution time of
iteration k of i by...
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Báo cáo hóa học: " Real-Time Signal Processing for Multiantenna Systems: Algorithms, Optimization, and Implementation on an Experimental Test-Bed" potx
Ngày tải lên :
22/06/2014, 23:20
... thus
realizing an ideal feedback link.
4. MIMO ALGORITHMS AND OPTIMIZATION
4.1. Basic algorithmic strategies for real- time
multiantenna systems with high data rates
With the perspective of real- time ... feasibility of real- time high data rate MIMO techniques with state -of- the-art hardware
and that more sophisticated baseband signal processing will be an essential part of future communication systems. ... the real- valued
equivalent, the number of rows and columns doubles. Matrix inversion
complexity of order O(N
3
), where N is the number of Tx antennas. The
real representation needs 2
3
· n
3
real...
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Báo cáo hóa học: " An Integrated Real-Time Beamforming and Postfiltering System for Nonstationary Noise Environments" potx
Ngày tải lên :
23/06/2014, 01:20
... the
noise canceller branch of the beamformer as well as the ATF
identification, thus enabling real- time tracking of moving
talkers.
The novel method has applications in realistic environ-
ments, ... we compare under nonstationary noise con-
ditions the performance of the proposed real- time system
to an offline system consisting of a TF GSC and a single-
channel postfilter. The performance evaluation ... be fed back to
the beamformer to enable the use of the method in real- time
applications. Exploiting this information will also enable the
tracking of the acoustical transfer functions (ATFs), caused
by...
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REAL-WORLD APPLICATIONS OF GENETIC ALGORITHMS docx
Ngày tải lên :
27/06/2014, 05:20
... Harapan” timetable is
considered. The authors propose the architecture design of the system and show some
experiments implementing the system.
The objective of Chapter 16 is to show a set of single-objective ... The data were obtained based on the
REAL- WORLD
APPLICATIONS OF
GENETIC ALGORITHMS
Edited by Olympia Roeva
Real- World Applications of Genetic Algorithms
Edited by Olympia ... based on the principle of survival of the fittest during the evolution. The GA
implements the “survival of the fittest” and “genetic propagation of characteristics”
principles of biological evolution...
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Typical Real - Time Applications potx
Ngày tải lên :
28/06/2014, 10:20
... Chapter 1 Typical Real- Time Applications
1.4.2 Multimedia Applications
Finally, let us look at one of the most frequently encountered real- time applications: mul-
timedia. A multimedia application ... versus Soft
Real- Time Systems
Now that we have seen several typical real- time applications, we are ready to discuss in depth
the characteristics that distinguish them from nonreal -time applications. ... that run nonreal -time applications such as our editor and network browser, the
computers and networks that run real- time applications are often hidden from our view. When
real- time systems work...
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