_Signal_FAQ01_Phase - dealing with a real sinusoid. The...

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What is the precise definition of the phase of a signal? As with many things, the term "phase" means different things in different context. The phase of ( 29 2 cos + t ϖ is 2, if ( 29 t cos is taken as the reference sinusoid and we are dealing with a real sinusoid. The phase of ( 29 2 sin + t is also 2, if ( 29 t sin is taken as the reference sinusoid and we are
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Unformatted text preview: dealing with a real sinusoid. The phase of the complex number 4 3 j e is 4. The phase or initial phase of the complex sinusoid ( 29 4 3 + t j e is 4. The variation of the phase of the complex sinusoid ( 29 ( 29 4 3 + = t j e t x as a function of time is ( 29 ( 29 [ ] 4 arg + = = t t x t p ....
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This note was uploaded on 08/02/2009 for the course ECE EE2009 taught by Professor Prof.c.c.ko during the Fall '07 term at National University of Singapore.

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