symmetric$80992$ - traducción al holandés
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symmetric$80992$ - traducción al holandés

TERM USED TO DESCRIBE EQUALITY OF POWERS AMONG MEMBER STATES OF A FEDERATION
Symmetric federation; Symmetric confederation

symmetric      
adj. symmetrisch (waarvan de delen precies gelijk aan elkaar zijn, in verhouding tot een volledigheid)
mirror writing         
  • Mirror writing on the hood of an ambulance in Australia
  • The notes on [[Leonardo da Vinci]]'s famous [[Vitruvian Man]] image are in mirror writing.
  • Ottoman]] [[calligraphy]]. Depicts the phrase ''Ali is the vicegerent of God'' in both directions.
TEXT WRITTEN IN THE OPPOSITE TO USUAL DIRECTION
Mirror script; Mirror handwriting; Mirror-script; Mirror-writing; Mirror language; Specular writing; Symetric writing; Symmetric writing
spiegelschrift
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
(gegevenscommunicatie) methode van digitale modulatie voor uitwisselen van gegevens via co-axiale netwerk

Definición

symmetric key cryptography
<cryptography> A cryptography system in which both parties have the same encryption key, as in {secret key cryptography}. Opposite: public-key cryptography. (1998-06-09)

Wikipedia

Symmetric federalism

Symmetric federalism refers to a federal system of government in which each constituent state to the federation possess equal powers. In a symmetric federalism no distinction is made between constituent states. This is in contrast to asymmetric federalism, where a distinction is made between constituent states.