Shift key - перевод на Английский
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Shift key - перевод на Английский

MODIFIER KEY ON MANY COMPUTER KEYBOARDS, USED TO WRITE CAPITAL LETTERS OR COMMON SYMBOLS
⇧; SHIFT key; Left Shift key; LShift key; LShift; LSHIFT; Right Shift key; RShift key; RShift; RSHIFT; Shift code; Shift Key
  • Keyboard symbol for “Level 2 Select” (i.e. “Shift”)
  • "Ctrl" key]])

Shift key         
Tasto SHIFT (consente in combinazione con altri tasti l"uso di lettere maiuscole o altri segni particolari)
Biphase Shift Keying         
  • Constellation diagram for 8-PSK with Gray coding
  • [[Constellation diagram]] example for BPSK
  • Timing diagram for DBPSK and DQPSK. The binary data stream is above the DBPSK signal. The individual bits of the DBPSK signal are grouped into pairs for the DQPSK signal, which only changes every ''T<sub>s</sub>'' = 2''T<sub>b</sub>''.
  • BER comparison between DBPSK, DQPSK and their non-differential forms using Gray coding and operating in white noise
  • BER comparison between BPSK and differentially encoded BPSK operating in white noise
  • Differential encoding/decoding system diagram
  • Timing diagram for offset-QPSK. The binary data stream is shown beneath the time axis. The two signal components with their bit assignments are shown the top and the total, combined signal at the bottom. Note the half-period offset between the two signal components.
  • Difference of the phase between QPSK and OQPSK
  • Bit-error rate curves for BPSK, QPSK, 8-PSK and 16-PSK, additive white Gaussian noise channel
  • Mutual information of PSK over the AWGN channel
  • Dual constellation diagram for π/4-QPSK. This shows the two separate constellations with identical Gray coding but rotated by 45° with respect to each other.
  • Timing diagram for π/4-QPSK. The binary data stream is shown beneath the time axis. The two signal components with their bit assignments are shown the top and the total, combined signal at the bottom. Note that successive symbols are taken alternately from the two constellations, starting with the "blue" one.
  • Signal doesn't pass through the origin, because only one bit of the symbol is changed at a time.
  • Constellation diagram for QPSK with [[Gray coding]]. Each adjacent symbol only differs by one bit.
  • Timing diagram for QPSK. The binary data stream is shown beneath the time axis. The two signal components with their bit assignments are shown at the top, and the total combined signal at the bottom. Note the abrupt changes in phase at some of the bit-period boundaries.
  • Receiver structure for QPSK. The matched filters can be replaced with correlators. Each detection device uses a reference threshold value to determine whether a 1 or 0 is detected.
  • Conceptual transmitter structure for QPSK. The binary data stream is split into the in-phase and quadrature-phase components. These are then separately modulated onto two orthogonal basis functions. In this implementation, two sinusoids are used. Afterwards, the two signals are superimposed, and the resulting signal is the QPSK signal. Note the use of polar [[non-return-to-zero]] encoding. These encoders can be placed before for binary data source, but have been placed after to illustrate the conceptual difference between digital and analog signals involved with digital modulation.
TYPE OF DATA ENCODING
Coherent differential phase-shift keying; Filtered symmetric differential phase-shift keying; Quadrature phase-shift keying; Phase shift keying; QPSK; OQPSK; Phase Shift Keying; Differential Phase Shift Keying; BPSK; Binary Phase Shift Keying; CDPSK; Biphase Shift Keying; Quadriphase; Quaternary phase-shift keying; 8-PSK; Quaternary phase shift keying; DPSK; Differential phase shift keying; DQPSK; Biphase modulation; Offset quadrature phase-shift keying; Offset QPSK; Staggered phase shift keying; Binary pase shift keying; 4PSK; 4-PSK; Staggered quadrature phase-shift keying; SQPSK; Phase Shift Modulation; 8 Phase Shift Keying; 8 phase shift keying; Differential phase-shift keying; Gaussian Phase Shift Keying; GPSK; DBPSK; Mpsk; 16psk; 32psk; 64psk; 128psk; 256psk; 512psk; 1024psk; 2psk; Offset psk; Opsk; HPSK; M PSK; Binary phase-shift keying; Quadrature Phase Shift Keying; 8PSK; SDPSK; Quatenary phase shift keying
(comunicazione dei dati) sistema di smistamento digitale nell"inoltro dei dati in rete bifase, BPSK
major key         
  • ii-V<sup>7</sup>-I progression]] in C [[File:Ii-V-I turnaround in C.mid]]
TONIC NOTE AND CHORD OF A MUSICAL PIECE
Major key; Key (Music); Musical key; Major Key; Key of D; Musical keys; Key coloration; Key relationship; Musical Key; Music key; Minor-key; Minor–key; Major-key; Key of E
chiave maggiore

Определение

shift key
n. (on a typewriter) to press a shift key

Википедия

Shift key

The Shift key ⇧ Shift is a modifier key on a keyboard, used to type capital letters and other alternate "upper" characters. There are typically two shift keys, on the left and right sides of the row below the home row. The Shift key's name originated from the typewriter, where one had to press and hold the button to shift up the case stamp to change to capital letters; the shift key was first used in the Remington No. 2 Type-Writer of 1878; the No. 1 model was capital-only. On the US layout and similar keyboard layouts, characters that typically require the use of the shift key include the parentheses, the question mark, the exclamation point, and the colon.

When the caps lock key is engaged, the shift key may be used to type lowercase letters on many operating systems, though not on macOS.

Примеры употребления для Shift key
1. Just hold down the "shift" key when you insert a CD to play it.
2. The rally comes as Tokyo is trying to persuade local residents to accept a plan to shift key functions of the U.S.
3. At State, Rice has pushed ambitious efforts to reshape how foreign aid is distributed and to shift key diplomatic jobs from Europe to emerging powers such as China and India.