| 释义 | 
		PhasorThe representation, beloved of engineers and physicists, of a Complex Number in terms of a Complex exponential
    | (1) |  
  where i (called j by engineers) is the Imaginary Number and the Modulus and Argument (also called Phase) are
  Here,   is the counterclockwise Angle from the Positive Real axis.  In the degeneratecase when  ,
   | (4) |  
 
 
 It is trivially true that
    | (5) |  
  Now consider a Scalar Function  .  Then
  Look at the time averages of each term,
   | (7) |  
 
   | (8) |  
 
   | (9) |  
  Therefore,
   | (10) |  
 
 
 Consider now two scalar functions
   Then
 
  In general,
   | (15) |  
  See also Affix, Argument (Complex Number), Complex Multiplication, Complex Number, Modulus(Complex Number), Phase
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