Phase Relationships (2)

The Music Telegraph | Text 2019/01/04 [14:04]

Phase Relationships (2)

The Music Telegraph| 입력 : 2019/01/04 [14:04]

▲ Complete phase relationships (0° and 180° phase relationships)

© Waimea Physics



 

Phase (2)

 

 

180° Phase relationship:

- Out of phase

- Totally subtractive  

 

▲ 1) B begins at 180° of A

2) Throughout the cycle, they are moving 'opposite' direction

3) This makes 'Total Cancellation'

© The Music Telegraph



 *Latency also may make phase

 

0° relationship is the only relationship which can ‘double’ (total additive)

ex) [10 (Amp.) + 10] + 10 = 2 x 10 + 10 = 3 x 10

    

180° Relationship is the only relationship which can 'totally cancel' (total subtractive)

ex) (+)10 (Amp.) + (-)10 = 0

       (+)10 (Amp.) + (-)5 = +5

 

*Amp. = Amplitude 

 

 

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