In coding theory, block codes are a large and important family of error-correcting codes that encode data in blocks. There is a vast number of examples...
20 KB (3,324 words) - 15:25, 28 March 2025
Code::Blocks is a free, open-source, cross-platform IDE that supports multiple compilers including GCC, Clang and Visual C++. It is developed in C++ using...
6 KB (523 words) - 15:34, 15 June 2025
The railway block signalling bell code is a system of bell sounds used in Great Britain to communicate between manually operated Signal Boxes in implementing...
4 KB (453 words) - 18:03, 3 December 2023
The two main categories of ECC codes are block codes and convolutional codes. Block codes work on fixed-size blocks (packets) of bits or symbols of predetermined...
40 KB (4,684 words) - 10:12, 6 June 2025
the code. There are many types of linear block codes, such as Cyclic codes (e.g., Hamming codes) Repetition codes Parity codes Polynomial codes (e.g...
27 KB (3,712 words) - 13:40, 27 April 2025
A Unicode block is one of several contiguous ranges of numeric character codes (code points) of the Unicode character set that are defined by the Unicode...
8 KB (826 words) - 08:04, 6 June 2025
Space–time block coding is a technique used in wireless communications to transmit multiple copies of a data stream across a number of antennas and to...
21 KB (3,788 words) - 06:18, 9 October 2024
partitioned into block codes and convolutional codes, although turbo codes can be seen as a hybrid of these two types. Linear codes allow for more efficient...
17 KB (2,694 words) - 03:34, 28 November 2024
comma-free code is block code in which no concatenation of two code words contains a valid code word that overlaps both. Comma-free codes are also known...
1 KB (113 words) - 19:03, 31 January 2025
computer programming, a block or code block or block of code is a lexical structure of source code which is grouped together. Blocks consist of one or more...
10 KB (1,223 words) - 17:50, 7 March 2025
integer r ≥ 2 there is a code-word with block length n = 2r − 1 and message length k = 2r − r − 1. Hence the rate of Hamming codes is R = k / n = 1 − r /...
29 KB (4,043 words) - 18:49, 12 March 2025
decoding is one of the major benefits of convolutional codes. This is in contrast to classic block codes, which are generally represented by a time-variant...
25 KB (2,834 words) - 07:56, 4 May 2025
Hamming bound (redirect from Perfect code)
computer science, in the field of coding theory, the Hamming bound is a limit on the parameters of an arbitrary block code: it is also known as the sphere-packing...
9 KB (1,446 words) - 21:32, 28 February 2025
Reed–Solomon error correction (redirect from Reed-Solomon code)
RAID 6. Reed–Solomon codes operate on a block of data treated as a set of finite-field elements called symbols. Reed–Solomon codes are able to detect and...
75 KB (12,395 words) - 16:42, 29 April 2025
distance of the code is also 2 k − 1 {\displaystyle 2^{k-1}} . In standard coding theory notation for block codes, the Hadamard code is a [ 2 k , k ,...
23 KB (3,844 words) - 18:53, 17 May 2025
development scheme the district is divided into 18 Blocks. Block wise villages in Budaun district. Asafpur block Code is 173. The villages include:- Ahrauli Ajitpur...
8 KB (671 words) - 07:21, 20 May 2024
192 code points in the Dingbats block are considered emoji. All of the 80 code points in the Emoticons block are considered emoji. 83 of the 256 code points...
6 KB (582 words) - 13:05, 12 June 2025
resembles the language Scratch. Blockly uses visual blocks that link together to make writing code easier, and can generate code in JavaScript, Lua, Dart, Python...
8 KB (604 words) - 16:36, 23 April 2025
In coding theory, a cyclic code is a block code, where the circular shifts of each codeword gives another word that belongs to the code. They are error-correcting...
27 KB (5,187 words) - 01:11, 9 May 2025
a fixed-length code, or a block code (though the term block code is also used for fixed-size error-correcting codes in channel coding). For example, ISO...
11 KB (1,516 words) - 12:06, 12 May 2025
Singleton bound (redirect from MDS code)
relatively crude upper bound on the size of an arbitrary block code C {\displaystyle C} with block length n {\displaystyle n} , size M {\displaystyle M}...
10 KB (1,570 words) - 14:08, 8 June 2025
Keyed-Hash Message Authentication Code (HMAC), CMAC was released in 2005 under SP800-38B, Recommendation for Block Cipher Modes of Operation: The CMAC...
52 KB (5,828 words) - 12:52, 13 June 2025
Block Truncation Coding (BTC) is a type of lossy image compression technique for greyscale images. It divides the original images into blocks and then...
7 KB (1,214 words) - 22:42, 23 July 2023
Visual programming language (redirect from Block coding)
VPS), also known as diagrammatic programming, graphical programming or block coding, is a programming language that lets users create programs by manipulating...
30 KB (3,458 words) - 13:42, 12 June 2025
costs. Theoretically, analysis of LDPC codes focuses on sequences of codes of fixed code rate and increasing block length. These sequences are typically...
36 KB (4,626 words) - 03:13, 7 June 2025
solution to the problem of finding a code that has both exponentially decreasing error probability with increasing block length and polynomial-time decoding...
17 KB (2,094 words) - 22:27, 28 May 2025
marks, boxes, or other symbols. Geometric Shapes is a Unicode block of 96 symbols at code point range U+25A0–25FF. Font sets like Code2000 and the DejaVu...
12 KB (352 words) - 18:29, 10 May 2025
Space–time block coding based transmit diversity (STTD) is a method of transmit diversity used in UMTS third-generation cellular systems. STTD is optional...
5 KB (892 words) - 20:30, 13 May 2025
y++** ...or as a "Geek Code Block", a parody of the output produced by the encryption program PGP: -----BEGIN GEEK CODE BLOCK----- Version: 3.1 GED/J...
8 KB (794 words) - 16:35, 24 April 2025
added to each block of 188 octets of useful information. A few error correction codes do not have a fixed code rate—rateless erasure codes. Note that bit/s...
2 KB (244 words) - 05:42, 12 April 2024