Communication source
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A source or sender is one of the basic concepts of
communication Communication (from la, communicare, meaning "to share" or "to be in relation with") is usually defined as the transmission of information. The term may also refer to the message communicated through such transmissions or the field of inquir ...
and
information processing Information processing is the change (processing) of information in any manner detectable by an observer. As such, it is a process that ''describes'' everything that happens (changes) in the universe, from the falling of a rock (a change in posit ...
. Sources are objects which
encode The Encyclopedia of DNA Elements (ENCODE) is a public research project which aims to identify functional elements in the human genome. ENCODE also supports further biomedical research by "generating community resources of genomics data, software ...
message A message is a discrete unit of communication intended by the source for consumption by some recipient or group of recipients. A message may be delivered by various means, including courier, telegraphy, carrier pigeon and electronic bus. A ...
data In the pursuit of knowledge, data (; ) is a collection of discrete values that convey information, describing quantity, quality, fact, statistics, other basic units of meaning, or simply sequences of symbols that may be further interpreted ...
and
transmit Transmit is a file transfer client program for macOS. Developed by Panic, Transmit is shareware. After a seven-day trial period, the product can only be used for seven-minute sessions until it has been purchased. Originally built as an FTP client ...
the
information Information is an abstract concept that refers to that which has the power to inform. At the most fundamental level information pertains to the interpretation of that which may be sensed. Any natural process that is not completely random ...
, via a
channel Channel, channels, channeling, etc., may refer to: Geography * Channel (geography), in physical geography, a landform consisting of the outline (banks) of the path of a narrow body of water. Australia * Channel Country, region of outback Austral ...
, to one or more
observer An observer is one who engages in observation or in watching an experiment. Observer may also refer to: Computer science and information theory * In information theory, any system which receives information from an object * State observer in con ...
s (or receivers). In the strictest sense of the word, particularly in
information theory Information theory is the scientific study of the quantification (science), quantification, computer data storage, storage, and telecommunication, communication of information. The field was originally established by the works of Harry Nyquist a ...
, a ''source'' is a process that generates message data that one would like to communicate, or reproduce as exactly as possible elsewhere in space or time. A source may be modelled as memoryless,
ergodic In mathematics, ergodicity expresses the idea that a point of a moving system, either a dynamical system or a stochastic process, will eventually visit all parts of the space that the system moves in, in a uniform and random sense. This implies tha ...
, stationary, or
stochastic Stochastic (, ) refers to the property of being well described by a random probability distribution. Although stochasticity and randomness are distinct in that the former refers to a modeling approach and the latter refers to phenomena themselv ...
, in order of increasing generality. ''Communication Source'' combines ''Communication and Mass Media Complete'' and ''Communication Abstracts'' to provide full-text access to more than 700 journals, and indexing and abstracting for more than 1,000 core journals.  Coverage dating goes back to 1900. Content is derived from academic journals, conference papers, conference proceedings, trade publications, magazines and periodicals. A transmitter can be either a device, for example, an antenna, or a human transmitter, for example, a speaker. The word "transmitter" derives from an emitter, that is to say, that emits using the Hertzian waves. In sending mail it also refers to the person or organization that sends a letter and whose address is written on the envelope of the letter. In finance, an issuer can be, for example, the bank system of elements. In education, an issuer is any person or thing that gives knowledge to the student, for example, the professor. For communication to be effective, the sender and receiver must share the same code. In ordinary communication, the sender and receiver roles are usually interchangeable. Depending on the language's functions, the issuer fulfills the expressive or emotional function, in which feelings, emotions, and opinions are manifested, such as The way is dangerous.


In economy

In the
economy An economy is an area of the production, distribution and trade, as well as consumption of goods and services. In general, it is defined as a social domain that emphasize the practices, discourses, and material expressions associated with the ...
, the issuer is a legal entity, foundation, company, individual firm, national or foreign governments, investment companies or others that develop, register and then trade commercial securities to finance their operations. The issuers are legally responsible for the issues in question and for reporting the financial conditions, materials developed and whatever their operational activities required by the regulations within their jurisdictions.


See also

*
Common technical regulation Common Technical Regulation (CTR). In telecommunications, CTR refers to a rule governing the connection of terminal equipment to networks. CTRs are drawn up, under the provisions of the EU directive 98/13/EC by the Telecommunications research and ...
*
CALM M5 CALM M5 is the ISO 21215 standard that incorporates WAVE (WAVE PHY/MAC is IEEE 802.11p standard) and adds the following features: * Global (European) 5 GHz spectrum * Regulatory domain (border) management * Directivity and EMC control * Regiona ...


References

Source Source may refer to: Research * Historical document * Historical source * Source (intelligence) or sub source, typically a confidential provider of non open-source intelligence * Source (journalism), a person, publication, publishing institute o ...
Information theory {{telecomm-stub