multiple base notational system
LUẬN VĂN: Kỹ thuật giấu tin trong ảnh dựa trên MBNS (Multiple base notational system) ppt
Ngày tải lên :
17/03/2014, 21:20
... VÀ ĐÀO TẠO
TRƯỜNG……………
LUẬN VĂN
Kỹ thuật giấu tin trong ảnh dựa trên
MBNS (Multiple base notational system)
24
3.3.2. Các bước thực hiện
Bước 1:
Tính độ lệch chuẩn .
Tính...
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Linear Minimum Mean-Square-Error Transceiver Design for Amplify-and-Forward Multiple Antenna Relaying Systems
Ngày tải lên :
20/11/2012, 11:31
... the AF MIMO relaying system with multiple users. It cor-
responds to the case where one base station communicates with multiple terminals
via one relay station. In this system, the source precoder, ... solution for point-to-point MIMO systems
based on weighted MSE criterion [23].
5
Relay station
Base station
Mobile terminals
Figure 1.4 Multi-user AF MIMO relay system.
help of a relay station. ... relay system.
transceiver design for conventional MIMO systems has been extensively studied in
various scenarios in the past decade [23–26].
1.1.3 AF MIMO Relay Systems
The benefits of multiple- antenna...
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FlexWave™ Base Station System
Ngày tải lên :
18/10/2013, 19:15
... 1
Spec Sheet
FlexWave
™
Base Station System
IP-Based RAN for Indoor/Outdoor Coverage and Capacity
The FlexWave
™
Base Station System (BSS) is a complete base station system providing converged ... SGSN (4 E1/T1)
CORBA-based to O&M to OMC-R
STANDARDS CE and FCC approved
4 / 0 7 • 1 0 4 6 2 5 A E
FlexWave
™
Base Station System
FlexWave
™
Base Station System
IP-Based RAN for Indoor/Outdoor ... 4 / 0 7 • 1 0 4 6 2 5 A E
FlexWave
™
Base Station System
FlexWave
™
Base Station System
IP-Based RAN for Indoor/Outdoor Coverage and Capacity
3
w w w . a d c ....
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Tài liệu Multiple-Input-Multiple- Output (MIMO) Systems doc
Ngày tải lên :
27/01/2014, 15:20
... stream
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1
2
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1
2
M
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channel
Use multiple transmit and multiple receive antennas for a
single user
Now this system promises enormous data rates!
Types of Channels
Multiple- Input -Multiple-
Output (MIMO) Systems
Basic ... “MIMO-OFDM Systems for High Data Rate Wireless Networks”, Whu
Topics
Motivations for the development of MIMO systems
MIMO System Model and Capacity Studies
Design Criterion for MIMO Systems ... of Ad Hoc Networks Using Multiple Antennas”,
Park, Choi and Nettles, submitted Mobicom 2004
(4) “From Theory to Practice: An Overview of MIMO Space-Time Coded Wireless Systems”,
Gesbert et al.,IEEE...
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Tài liệu Báo cáo khoa học: "Computing Consensus Translation from Multiple Machine Translation Systems Using Enhanced Hypotheses Alignment" pot
Ngày tải lên :
22/02/2014, 02:20
... system 49.1 38.2 39.6
best single system 41.0 30.2 47.7
consensus of 4 systems 39.1 29.1 49.3
+ rescoring 38.8 29.0 50.7
2005 evaluation, see Table 3. Compared to the
best performing single system, ... BLEU
Chinese-English [%] [%] [%]
worst single system ’04 58.3 46.6 34.6
best single system
∗
’04 54.6 42.6 40.3
consensus of 5 systems
from 2004 47.8 38.0 46.2
system (*) in 2005 50.3 40.5 45.1
ish to ... statistical ma-
chine translation (SMT) systems are not normal-
ized and therefore not directly comparable. For
some other MT systems (e.g. knowledge-based
systems), the lattices and/or scores of...
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Knowledge Base System
Ngày tải lên :
08/10/2012, 15:10
... Knowledge Base System Basic Knowledge
CHAPTER 4 – SYSTEM DESIGN
4.1 DATABASE DESIGN
4.1.1 Database Normalization
Before starting normalization, we ... user
Typical objects of the system are described in the following figure:
Figure 1.5.2 – Mechanism of Knowledge Base System
HUT – Genetic Computer School Page 10
Knowledge Base System Basic Knowledge ... Form
HUT – Genetic Computer School Page50
Knowledge Base System Basic Knowledge
3.3 DATA FLOW DIAGRAMS
3.3.1 Level 0 DFD for Knowledge Base System
Students
Lecturers
Administrator
Member management
Member...
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Simulation of a Multiple Input Multiple Output (MIMO) wireless system
Ngày tải lên :
20/11/2012, 11:36
... below, shows a smart antenna system with multiple antennas at one end of the
link. These systems are also known as SIMO (single-input multiple output). Originally
multiple antennas were placed ... in radar and sonar systems. Using multiple antennas introduces spatial diversity
into the system. These antennas are also known as ‘smart antennas’. Spatial diversity is
based upon the fact ... modifiable file, base_ stations.res’, in the following format.
3 -Number of base stations
30.0 10.0 4.0 - Location of 1
st
base station
30.2 10.0 4.0 - Location of 2
nd
base station
The...
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Tài liệu Genetic Computer School Final Project: Knowledge Base System - Book 1 - User Guide ppt
Ngày tải lên :
09/12/2013, 18:15
... Genetic Computer School Page28
Knowledge Base System User Guide
1.6 DATABASE DESIGN
1.6.1 Normalized Forms
Normalized database of the Knowledge Base System has six tables in 3NF: User Table,
Category ... Genetic Computer School Page50
Knowledge Base System User Guide
Add new article type
Add new category
HUT – Genetic Computer School Page42
Knowledge Base System User Guide
Category Record
Field ... Knowledge Base System User Guide
HUT – Genetic Computer School Page35
Knowledge Base System User Guide
Logon
Begin
End
Valid username/
password
Administrator...
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Tài liệu Báo cáo khoa học: "Dialog Navigator : A Spoken Dialog Q-A System based on Large Text Knowledge Base" docx
Ngày tải lên :
20/02/2014, 16:20
... clear.
Our system makes asking backs by showing them
on a display, and users respond them by selecting
the displayed buttons by mouses.
Initially, we developed the system as a keyboard
based Q-A system, ... dialog
Q-A system which substitute for call centers, based
on only large text knowledge base.
If we consult a call center, an operator will help
us through a dialog. The substitutable system also
needs ... for significant parts
based on confidence in recognition. After that, the
system retrieves relevant texts in the text knowledge
base using each candidate, and makes confirmation
based on significance...
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Báo cáo khoa học: "PARALLEL MULTIPLE CONTEXT-FREE GRAMMARS, FINITE-STATE TRANSLATION SYSTEMS, AND POLYNOMIAL-TIME RECOGNIZABLE SUBCLASSES OF LEXICAL-FUNCTIONAL GRAMMARS" docx
Ngày tải lên :
08/03/2014, 07:20
... PARALLEL MULTIPLE CONTEXT-FREE GRAMMARS, FINITE-STATE
TRANSLATION SYSTEMS, AND POLYNOMIAL-TIME RECOGNIZABLE
SUBCLASSES OF LEXICAL-FUNCTIONAL ... languages.
Among them are parallel multiple context-free
grammars (pmcfg's) and lexical-functional gram-
mars (lfg's). Pmcfg's and their subclass called
multiple context-free grammars ... the gen-
erative capacities of such grammars and devices.
Parallel multiple context-free grammars (pm-
cfg's)
and
multiple context-free grammars (mcfg's)
were introduced in (Kasami...
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Báo cáo khoa học: "EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATA BASE SYSTEMS" pdf
Ngày tải lên :
17/03/2014, 19:20
...
failures" 119, "nothing in data base& quot; 61, "program
error" 39, but this only points to the general difficul-
ties of comparisons of system performance.
SOME CONCLUSIONS ... as loading cargo
items, the percentage of task completion may signal both
system performance and user satisfaction. System
response times are a very important measure. The ques-
tionnaire method ... performance with respect Co
a given task.
41
EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATA BASE SYSTEMS
Bozena Henisz Thompson
California Institute of Technology
INTEODUCT~ON
Is evaluation,...
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Báo cáo khoa học: "Building a Large Knowledge Base for a Natural Language System" doc
Ngày tải lên :
17/03/2014, 19:21
... knowledge base for a natural lan-
guage system, which constitutes a manageable and princi-
pled midway point between these simple
knowledge bases
and the impossibly detailed knowledge bases that ... sophisticated natural language sys-
tem must have a large knowledge base. But heretofore, the
knowledge bases in natural language systems have either
encoded only a few kinds of knowledge - e.g., ... sophisticated natural language system requires a
large knowledge base. A methodology is described for con-
structing one in a principled way. Facts are selected for the
knowledge base by determining...
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