Morse code - definição. O que é Morse code. Significado, conceito
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O que (quem) é Morse code - definição

METHOD OF TRANSMITTING TEXT INFORMATION AS A SERIES OF ON-OFF SIGNALS
International Morse code; Mors code; More's code; Mor's code; International Morse Code; Morse Code (table); Morse Code; Koch method; Farnsworth method; Moris code; Morris code; Morsecode; Di-dah; Dit-dah; Morse-code; Morse alphabet; Latin Morse code; Hamburg alphabet; Hamburg Alphabet; Omnigraph; Continental Morse code; ITU International Morse Code; Gerke code
  • Morse Code on the 40 meter ham radio band
  •  ''dit dah dit dah'' }} sequence. (For left-handed operators, the actions are reversed.)}}
  • Chart of the Morse code 26&nbsp;letters and 10&nbsp;numerals<ref name=ITU-R-M-1677/>
  • Baden-Powell's]] mnemonic chart from 1918
  • Morse code receiver, recording on paper tape
  • prosigns]] are circled in red with red text; unofficial prosigns are orange.
  • ITU]] standard.
  • Gotthard railway]], later by a [[shortwave radio]] amateur<ref>Gotthard morse key used by shortwave radio amateur  [https://www.qrz.com/db/HB9BFM HB9BFM]. Retrieved 25 September 2021.</ref>
  • Winnipeg's main airport]]
  • SOS}}'''.
  • signalman]] sends Morse code signals in 2005.
  • Single needle telegraph instrument
  • sounder]]. The signal is "on" when the knob is pressed, and "off" when it is released. Length and timing of the ''dits'' and ''dahs'' are entirely controlled by the [[telegraphist]].
  • A U.S. Navy Morse Code training class in 2015. The sailors will use their new skills to collect [[signals intelligence]].
  • Cayo Largo Del Sur VOR-DME.
  • [[Vibroplex]] brand semiautomatic key (generically called a "bug"). The paddle, when pressed to the right by the thumb, generates a series of ''dits'', the length and timing of which are controlled by a sliding weight toward the rear of the unit. When pressed to the left by the knuckle of the index finger, the paddle generates a single ''dah'', the length of which is controlled by the operator. Multiple ''dahs'' require multiple presses. Left-handed operators use a key built as a mirror image of this one.

Morse code         
n.
1) to tap out, use the Morse code
2) to send (a message) in Morse code
Morse code         
<communications> A coding system invented by Samuel A. Morse, for use in sending character data over extremely low-quality pathways -- such as telegraphs and low-quality radio. Morse code expresses characters as pulses of different durations. Short signals are called "dots" and long signals are calles "dashes". The coding assigns shorter sequences to the most frequently used characters. American Morse code is the first and original Morse code character set. Character sets adapted to other languages were developed later. American Morse Code: A . __ J . . S . . . 1 . __ __ . B __ . . . K __ . __ T __ 2 . . __ . . C . . . L ___ U . . __ 3 . . . __ . D __ . . M __ __ V . . . __ 4 . . . . __ E . N __ . W . __ __ 5 __ __ __ F . __ . O . . X . __ . . 6 . . . . . . G __ __ . P . . . . . Y . . . . 7 __ __ . . H . . . . Q . . __ . Z . . . . 8 __ . . . . I . . R . . . 0 ____ 9 __ . . __ Where . is a short pulse, __ a long pulse, ___ a very long pulse and ____ a extra long pulse. There are also long and short spaces character-internal. Intercharacter spaces are very long and interword spaces are extra long. There is no standarisation in these durations, and they vary depending on the coder's preference and on the quality of the line. Continental Morse Code or International Morse Code is a widely used de-facto standard. This table summarises the Western European usage of Continental Morse Code: A .- G --. M -- S ... Y -.-- 4 ....- B -... H .... N -. T - Z --.. 5 ..... C -.-. I .. O --- U ..- 0 ----- 6 -.... D -.. J .--- P .--. V ...- 1 .---- 7 --... E . K -.- Q --.- W .-- 2 ..--- 8 ---.. F ..-. L .-.. R .-. X -..- 3 ...-- 9 ----. A-umlaut (1) .-.- E-acute ..-.. A-acute .--.- N-tilde --.-- A-corona (11) .--.- O-umlaut (1) ---. CH (2) ---- U-umlaut (1) ..-- Punctuation Marks: Other Signs: period .-.-.- warning .-..- comma --..-- error ........ question mark ..--.. repetition (ii ii) .. .. hyphen -....- wait (AS) .-... colon (3) ---... interruption (BK) -...-.- underline (4) ..--.- understood (VE) ...-. apostrophe .----. transmission received (R) .-. quotation mark .-..-. beginning of message (KA) -.-.- parenthesis open (5)-.--. end of message (AR) .-.-. parenthesis (close) -.--.- end of transmission (K) (6) -.- equal sign (7) -...- end of transmission (KN) (8) -.--. plus sign .-.-. closing mark (SK) (9) ...-.- multiplication sign -..- closing station (CL) -.-..-. fraction mark -..-. separator (10) .-..- (1) Note: 'umlaut' is also known as 'diaeresis' (2) Used only in German; not in Dutch. (3) also: 'divided by' (4) before and after the word to be underlined (5) purportedly replaced by -.--.- for both "(" and ")" (6) both and invitation to any station to start transmission (7) also used as spacing between parts of transmission (8) also an invitation to one station in particular to start transmission (9) connection will be closed. (10) in fractions, for example. (11) A-ring ? Where '.' is a short pulse, '-' a long one. A '-' is three times as long as a '.'; character-internal spaces are as long as '.'s. Intercharacter space are as long as -'s. Spaces between words are as long as seven '.'s. (1996-11-23)
morse code         
also Morse code
Morse code or morse is a code used for sending messages. It represents each letter of the alphabet using short and long sounds or flashes of light, which can be written down as dots and dashes.
N-UNCOUNT

Wikipédia

Morse code

Morse code is a method used in telecommunication to encode text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs. Morse code is named after Samuel Morse, one of the inventors of the telegraph.

International Morse code encodes the 26 basic Latin letters A through Z, one accented Latin letter (É), the Arabic numerals, and a small set of punctuation and procedural signals (prosigns). There is no distinction between upper and lower case letters. Each Morse code symbol is formed by a sequence of dits and dahs. The dit duration is the basic unit of time measurement in Morse code transmission. The duration of a dah is three times the duration of a dit. Each dit or dah within an encoded character is followed by a period of signal absence, called a space, equal to the dit duration. The letters of a word are separated by a space of duration equal to three dits, and words are separated by a space equal to seven dits.

Morse code can be memorized and sent in a form perceptible to the human senses, e.g. via sound waves or visible light, such that it can be directly interpreted by persons trained in the skill. Morse code is usually transmitted by on-off keying of an information-carrying medium such as electric current, radio waves, visible light, or sound waves. The current or wave is present during the time period of the dit or dah and absent during the time between dits and dahs.

Since many natural languages use more than the 26 letters of the Latin alphabet, Morse alphabets have been developed for those languages, largely by transliteration of existing codes.

To increase the efficiency of encoding, Morse code was originally designed so that the length of each symbol is approximately inverse to the frequency of occurrence of the character that it represents in text of the English language. Thus the most common letter in English, the letter E, has the shortest code – a single dit. Because the Morse code elements are specified by proportion rather than specific time durations, the code is usually transmitted at the highest rate that the receiver is capable of decoding. Morse code transmission rate (speed) is specified in groups per minute, commonly referred to as words per minute.

Exemplos do corpo de texto para Morse code
1. Or take these Ms: modelling in clay; moles; mops and mopping; morse code; mortar.
2. The ‘magic‘ box, which looked more suited to sending Morse code, was to my right.
3. Thats different parts of your plumbing talking to each other in plumbings version of Morse code.
4. He said he managed to communicate with a fellow seaman by tapping with his knuckles in Morse code.
5. Nazi agents relayed sensitive military information using the dots and dashes of Morse code incorporated in the drawings.