phase ambiguity

См. также в других словарях:

• Phase-shift keying — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Phase modulation — (PM) is a form of modulation that represents information as variations in the instantaneous phase of a carrier wave.Unlike its more popular counterpart, frequency modulation (FM), PM is not very widely used. This is because it tends to require… …   Wikipedia

• Ambiguity function — In pulsed radar and sonar signal processing, an ambiguity function isa two dimensional function of time delay and Doppler frequencychi( au,f) showing the distortion of an uncompensated matched filter (sometimes called pulse compression) due to… …   Wikipedia

• Phase diagram — In physical chemistry, mineralogy, and materials science, a phase diagram is a type of graph used to show the equilibrium conditions between the thermodynamically distinct phases. In mathematics and physics, a phase diagram also has an… …   Wikipedia

• Constructive ambiguity — is a term generally credited to Henry Kissinger, said to be the foremost exponent of the negotiating tactic it designates. It refers to the deliberate use of ambiguous language on a sensitive issue in order to advance some political purpose.… …   Wikipedia

• Methode de la phase stationnaire — Méthode de la phase stationnaire En mathématiques, la méthode de la phase stationnaire permet d évaluer le comportement asymptotique d une intégrale du type : lorsque . (avec i2 = − 1) Sommaire 1 Idée générale …   Wikipédia en Français

• Méthode De La Phase Stationnaire — En mathématiques, la méthode de la phase stationnaire permet d évaluer le comportement asymptotique d une intégrale du type : lorsque . (avec i2 = − 1) Sommaire 1 Idée générale …   Wikipédia en Français

• Méthode de la phase stationnaire — En mathématiques, la méthode de la phase stationnaire permet d évaluer le comportement asymptotique d une intégrale du type : lorsque . (avec i2 = − 1) Sommaire 1 Idée générale …   Wikipédia en Français

• Differential coding — In digital communications, differential coding is a technique used to provide unambiguous signal reception when using some types of modulation. It makes data to be transmitted to depend not only on the current bit (or symbol), but also on the… …   Wikipedia

• Satellite modem — A satellite modem or sat modem is a modem used to establish data transfers using a communications satellite as a relay.There is a wide range of satellite modems from cheap devices for home internet access to expensive multifunctional equipment… …   Wikipedia

• Carrier recovery — A carrier recovery system is a circuit used to estimate and compensate for frequency and phase differences between a received signal s carrier wave and the receiver s local oscillator for the purpose of coherent demodulation. Example of QPSK… …   Wikipedia