The Art of Error Correcting Coding phần 5 docx
the book of javascript 2nd edition phần 5 docx
... indexOf(), the lastIndexOf() method gives you the
position of the last occurrence of a character or substring. Table 11-1 shows
the value of various calls to
indexOf() and lastIndexOf() when the ... string.
The variable
two_slashes holds the value 5 because the two slashes start at
position 5. Line Y grabs everything two characters from the beginning of
the...
Seam Framework Experience the Evolution of Java EE 2nd phần 5 docx
... the web
page and capture the user selection as a location on the map. The data-binding framework
opens the door for some extremely interesting use cases from the community.
The data-binding framework ... knowledge of the in-
ternal workings of Seam and JSF. This is a little beyond the scope of this book; in this
section, we just give a brief overview of differe...
The book of qt 4 the art of building qt applications - phần 2 docx
... enter them in theIndextabofthe
Assistant. From thestart page you can also accessalistofall classesand alist
groupedaccordingtotopics.
20
ForQt4.1,see http://doc.trolltech.com /4. 1/.
59
2 TheToolsNeeded ... now
ByteConverterDialog
decEdit
textChanged()
setText()
hexEdit
textChanged()
setText()
binEdit
textChanged()
setText()
decChanged()
hexChanged()
binChanged()
We can connect thesignal...
The book of qt 4 the art of building qt applications - phần 5 pptx
... query.Thisisfollowed bythelistofstrings to be displayed.Then
comesthe indexof thelistele ment that thedrop-downwidgetdisplaysatthe be-
ginning .The next-to-lastparameter specifies whether theusercan add ... Extensions andisdescribedinRFCs2 0 45 , 2 046 ,
and2 047 .
1 94
6 .5 Ready-made DialogsinQt
6 .5. 4Input Dialogs
Forsimplequeries,Qtprovides various template inputdialogs,consistingofasu...
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... translators.
Figure 14. 1showsthe main windowof theLinguistafter it hasloadedthe filecute-
edit_de.ts. Thecontextdockwindowon theleft-hand page gives an overviewof
thetranslation context, anditusuallydisplaysthe ... the rsttimeinthe UserRole, in this casethe com-
plete contents of <description>. We willuse this later to displaythecontents of
thecurrent entryin aQTextBrowser.
In the...
The Art of Error Correcting Coding phần 1 ppsx
... standard array of the binary linear (4, 2, 2) code is the following:
¯s 00 01 10 11
00 0000 011 0 10 11 110 1
11 10 00 11 10 0 011 010 1
10 010 0 0 010 11 11 10 01
01 00 01 011 1 10 10 11 00
Decoding with the standard ... =
11 1
and parity-check matrix
H =
11 0
10 1
.
Accordingly, its standard array is the following:
¯s 01
00 000 11 1
11 10 0 011
10 0...
The Art of Error Correcting Coding phần 2 pps
... the binary representation of integers, then the value of the syndrome directly gives the
position of the error. This is the idea in the algorithms for encoding and decoding presented
below. The ... EG(m, 2) . The columns of the matrix ( ¯x
1
¯x
2
¯x
m
)
are taken as the coordinates
of points of the geometry EG(m ,2) . Then, there is a one-to-one...
The Art of Error Correcting Coding phần 3 doc
... 1. (3. 17)
ã Find the coefcients of the error- locator polynomial (x).
ã Find the inverses of the roots of σ(x), that is, the locations of the errors,
j
1
, ,
j
.
ã Find the values of the errors ... knowledge of the WDS of a code C, the error performance can be estimated, as
discussed in Chapter 1. The WDS and the union bound (1 .36 ) give good estim...
The Art of Error Correcting Coding phần 4 docx
... (4. 23)
where P
s
denotes the probability of a symbol error at the input of the RS decoder,
P
S
= 1 − (1 − p)
m
,
and p denotes the probability of a bit error at the input of the RS decoder. The ... vectors of length 3, code C becomes a binary
(21, 9, 5) code that is capable of correcting up to 2 random errors, as well as any single
burst of up to 4 bits....
The Art of Error Correcting Coding phần 5 docx
... received (one error in the second position). The operation of
the VD is illustrated in Figures 5. 12 to 5. 17. The evolution of the metric values with respect
to the decoding stages is shown in the following ... with Example 5. 5.1, using the traceback technique, at the end
of the i = 6 received pair of bits from the channel, the traceback memory would hav...
The Art of Error Correcting Coding phần 6 pot
... that the syndrome of a binary SPC (n, n − 1, 2) code is simply the sum of the n bits.
The second row and the first column will have nonzero syndromes, indicating the presence of
an odd number of errors. ... Dd) code.
The purpose of the interleaver between the outer and the inner code is twofold. First,
it serves to convert the bytes of size k into vectors of...
The Art of Error Correcting Coding phần 7 ppt
... e
−|δ
1
−δ
2
|
, (7. 30)
SOFT-DECISION DECODING 165
where ¯e(j) is the set of all length-K vectors of Hamming weight one. The vector ¯e(j) is
the coset representative of the partition of code C
1
(equivalent ... =+0.2 − 1. 57 =−1. 37
(u
4
) =
c
4
+
e
1
(u
4
) =+0.3 + 0. 87 =+1. 17
SOFT-DECISION DECODING 159
The operation of a SOVA decoder can be divided into...
The Art of Error Correcting Coding phần 8 pptx
... has the advantage that the number
of bits per symbol is increased by a factor of ν, thus increasing the spectral efficiency of the
system. On the other hand, the required average energy of the ... iterative BF decoding on the basis of the extended
matrix H
ext
. Analyze the performance on the basis of the structure of the Tanner
graph, by considering sin...
The Art of Error Correcting Coding phần 9 potx
... 2000)
P
(NS)
b1
≤
n
w=d
1
w
n
A
(1)
w
2
−w
w
i=0
w
i
Q
2RE
b
N
0
d
2
P
(i)
, (9. 9)
where d
2
P
(i) =
1
w
[
i
1
+ (w − i)
2
]
2
. The probability of a bit error in the second decoding
stage upper is also bound by (9. 9) using the same arguments above.
The bound (9. 9) ... (correlations) from the subsets
selected at the second partitioning stage – given the de...
The Art of Error Correcting Coding phần 10 potx
... 1990.
E. L. Blokh and V. V. Zyablov, Coding of Generalized Concatenated Codes,” Probl. Pered. Inform.,
vol. 10, no. 1, pp. 45–50, 1974.
The Art of Error Correcting Coding, Second Edition Robert H. ... ed., Key Papers
in the Development of Coding Theory, pp. 109 –120, IEEE Press, 1974.
W. W. Peterson and E. J. Weldon, Jr., Error Correcting Codes, 2nd ed., MIT Press, 1...