User Tools

Site Tools


tanszek:oktatas:techcomm:code

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
tanszek:oktatas:techcomm:code [2024/08/27 16:25] kneheztanszek:oktatas:techcomm:code [2024/09/16 13:35] (current) knehez
Line 1: Line 1:
 ==== Code ===== ==== Code =====
  
-The mapping of events to messages is called encoding. Messages are recorded in information storage units. The recorded message itself is an event system. Encoding is a transformation, based on the mutual and unambiguous correspondence between two event systems.+The mapping of events to messages is called encoding. Messages are recorded in information storage units. The recorded message itself is an //event system//. Encoding is a transformation, based on the mutual and unambiguous correspondence between two event systems.
  
-The tool of encoding is the code. A code consists of a finite set of symbols (an alphabet), along with coding rules (groups of symbols).+The tool of encoding is code. A code consists of a finite set of symbols (an alphabet) and coding rules (groups of symbols).
  
-codeword is an elementary message, which consists of a finite number of symbols. The set of code symbols and the rules for forming codewords together constitute the syntax of the code.+//code-word// is an elementary message, which consists of a finite number of symbols. The code's syntax is the set of code symbols and the rules for forming code-words.
  
-Encoding changes the form of the information, but other characteristics of the information remain unchanged. There are fixed-length and variable-length codes.+Encoding changes the information's form, but other information characteristics remain unchanged. There are fixed-length and variable-length codes.
  
 **Basic Types of Codes:** **Basic Types of Codes:**
Line 24: Line 24:
 $$ N = m^n $$ $$ N = m^n $$
  
-The fundamental problem of coding theory is the //preservation////security//, and //maximization// of the information content of transmitted messages.+The fundamental problem of coding theory is the preservation, security, and maximization of the information content of transmitted messages.
  
  
tanszek/oktatas/techcomm/code.1724775913.txt.gz · Last modified: 2024/08/27 16:25 by knehez