vision aided inertial navigation for resource constrained systems
A Study of Channel Estimation for OFDM Systems and System Capacity for MIMO-OFDM Systems
Ngày tải lên :
20/11/2012, 11:28
... receiver for continuous OFDM systems.
(c) The frequency division for OFDM systems.
Fig 2.9: The continuous OFDM system model.
As shown in Fig 2.9(a), the transmitted signal x
i
(t) for OFDM systems ... 22
Fig 2.10: The waveform of ( )
k
Gw
24
Fig 2.11: Equivalent transmitter for OFDM systems 25
Fig 2.12: Equivalent receiver for OFDM systems. 25
Fig 2.13: CP for an OFDM symbol 26
Fig ... of thesis entitled
“A Study of Channel Estimation for OFDM Systems and
System Capacity for MIMO-OFDM Systems
Submitted by
Zhou Wen
For the degree of Doctor of Philosophy
at the university...
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Research on a novel buck boost converter for wind turbine systems
Ngày tải lên :
03/01/2014, 19:16
... waveform when the dc voltage is 50V.
Fig. 13. Output current waveform when the dc voltage is 100V.
Fig. 14. Output current waveform when the dc voltage is 200V.
Fig.15. Output current waveform ... innovative single-phase,
single-stage, flyback-based, buck-boost converter for renewable
energy systems, especially for wind turbine systems in
grid-connected applications. This paper focuses on the ... of the converter for grid-connected
applications.
I.
I
NTRODUCTION
For inverter-based wind turbine systems in grid-connected
applications as distributed generators (DG), resources often
cause...
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Tài liệu Risk Management Guide for Information Technology SystemsRecommendations ppt
Ngày tải lên :
22/01/2014, 02:20
...
guidance about implementing and planning for IT controls can be found in NIST SP 800-18,
Guide for Developing Security Plans for Information Technology Systems, and NIST SP 800-12,
An Introduction ... and Information Owners. The system and information owners are
responsible for ensuring that proper controls are in place to address integrity,
confidentiality, and availability of the IT systems ... Typically the
system and information owners are responsible for changes to their IT systems. Thus,
they usually have to approve and sign off on changes to their IT systems (e.g., system
enhancement,...
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Tài liệu Mechanisms for Knowledge Management Systems Effectiveness: An Exploratory Analysis pptx
Ngày tải lên :
24/01/2014, 00:20
... Creation
Information systems Knowledge-based systems
Knowledge management systems
Figure 1 Knowledge management systems foundations
KMS
Dynamic systems
Process oriented systems
Integrated systems
Locate ... Eighth American Conference on
Information Systems, pp. 2085–2090.
Martinsons MG. 1993. Cultivating the champions for
strategic information systems. Journal of Systems Man-
agement 44(8): 31–34.
Mason ... management systems: issues and challenges for
theory and practice. In International Conference on Infor-
mation Systems Proceedings.
Hansen MT, Nohria N, Tierney T. 1999. What’s your
strategy for managing...
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Tài liệu Diagnosis of smear-negative pulmonary tuberculosis in people with HIV infection or AIDS in resource-constrained settings: informing urgent policy changes docx
Ngày tải lên :
15/02/2014, 12:20
... tuber culosis, and also to include procedures
for children. For application in resource- constrained
settings with high HIV prevalence, the revision should
include HIV status, severity of both ... to push for research and development
to yield feasible and robust technologies such as
solar-powered fl uorescence microscopy or culture
facilities, which would be useful for resource- constrained ... cation and treatment outcome data for cases of
smear-negative pulmonary tuberculosis. Such data should
be used to inform policy makers and boost programme
performance both nationally and globally.
The...
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Tài liệu Impossible Certainty - Cost Risk Analysis for Air Force Systems ppt
Ngày tải lên :
17/02/2014, 22:20
... approach is that it allows for a consistent format
across a variety of risk analysis methods. (See pp. 81–86.)
4 Impossible Certainty: Cost Risk Analysis for Air Force Systems
Risk Assessment
Risk ... the
RAND Project Air Force Resource Management Program, for his
intellectual guidance; Robert Leonard for his help with the Selected
Acquisition Report data analysis; Phillip Wirtz for editing the ... docu-
ment; and Nathan Tranquilli for his research and administrative
assistance.
18 Impossible Certainty: Cost Risk Analysis for Air Force Systems
Task 6: Considerations for a Cost Risk Policy
This...
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Tài liệu Synchronization and Linearity An Algebra for Discrete Event Systems doc
Ngày tải lên :
19/02/2014, 03:20
... system theory form an ideal background. For algebra, [61] for instance provides
suitable background material; for probability theory this role is for instance played by
[20],and for linear system ... then u(k) is a vector indicating when
certain resources become available for the k-th time. Subsequently it takes B
ij
time
units before the j-thresource reaches node i of the network. The vector ... theory offers a unifying framework for systems in which the
basic ‘engine’ of dynamics is synchronization,when these systems are considered from
the point of view ofperformance evaluation. In other...
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Tài liệu NoSQL Database Technology: Post-relational data management for interactive software systems docx
Ngày tải lên :
19/02/2014, 12:20
... years. The “online” systems of the 1970s have,
through a series of intermediate transformations, evolved into today’s Web and mobile
applications. These systems solve new problems for potentially ... technology is a forced t for modern interactive
software systems.
Because vendors of RDBMS technology have little incentive to disrupt a technology
generating billions of dollars for them annually, ... need for a new approach is nearly universal. The vast majority
of new interactive software systems are Web applications with the characteristics and needs
described in this document. These systems...
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Tài liệu Báo cáo khoa học: "Context Management with Topics for Spoken Dialogue Systems" pptx
Ngày tải lên :
20/02/2014, 18:20
... average precision for all the
pruned topic types is 74.64%, varying from 95.63%
for ROOM to 37.63% for MIx. If MIx is left out,
the average precision is 79.27%. The poor precision
for MIX is due ... topic information provides a promis-
ing starting point in attempts to provide an accurate
context for the spoken dialogue systems. This can
be further verified in the perplexity measures for ... the fact that
the information content of the utterances is ignored.
Consistency of the information exchanged in (task-
oriented) conversations is one of the main sources for
dialogue coherence,...
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Audit manual for the quality systems of higher education institutions 2011 – 2017 ppt
Ngày tải lên :
06/03/2014, 23:20
... for developing the quality systema) Procedures for developing the quality system
a) Procedures for developing the quality systema) Procedures for developing the quality system
a) Procedures for ... and
inclusive the procedure for setting them is
b) Division of responsibility related to the quality systemb) Division of responsibility related to the quality system
b) Division of responsibility ...
(also known as ESG), which formed the
basis for the evaluation of FINHEEC in 2010. Based on the evaluation,
FINHEEC renewed its full membership in the European Association for
Quality Assurance in...
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Calvin: Fast Distributed Transactions for Partitioned Database Systems ppt
Ngày tải lên :
07/03/2014, 14:20
... processing pipeline, before locks are acquired.
Any time a sequencer component receives a request for a trans-
action that may incur a disk stall, it introduces an artificial delay
before forwarding the ... executed, using the reconnaissance query’s
results for its read/write set. Because it is possible for the records
read by the reconnaissance query (and therefore the actual transac-
tion’s read/write ... only work for databases
entirely resident in m ain m emory [28]. The reasoning was that a
major disadvantage of deterministic database systems relative to
traditional nondeterministic systems is...
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