# Difference between revisions of "Binary Phase Shift Keying"

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Binary Phase Shift Keying describes a technique modulating a sinoid carrier frequency by changing the ''phase'' between two defined states: 0° and 180°. The amplitude of the modulated signal remains constant, therefore this is called phase shift keying. Each phase state corresponds to a symbol, as there are only two states we have here only two possible symbols. |
Binary Phase Shift Keying describes a technique modulating a sinoid carrier frequency by changing the ''phase'' between two defined states: 0° and 180°. The amplitude of the modulated signal remains constant, therefore this is called phase shift keying. Each phase state corresponds to a symbol, as there are only two states we have here only two possible symbols. |
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## Revision as of 22:18, 2 April 2005

Binary Phase Shift Keying describes a technique modulating a sinoid carrier frequency by changing the *phase* between two defined states: 0° and 180°. The amplitude of the modulated signal remains constant, therefore this is called phase shift keying. Each phase state corresponds to a symbol, as there are only two states we have here only two possible symbols.