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notes:parabolic_reflection [2012/12/10 15:16]
Sean Madden
notes:parabolic_reflection [2017/02/05 22:43] (current)
Line 31: Line 31:
 To convert that into dB [[wp>​Isotropic_antenna|isotropic]],​ $ dbI = 10*log(power)$ To convert that into dB [[wp>​Isotropic_antenna|isotropic]],​ $ dbI = 10*log(power)$
  
-$G_dbI = 10 * log_{10}(501.4849) = 27.002 dbI$ gain+$G_{dbI} ​= 10 * log_{10}(501.4849) = 27.002 dbI$ gain
  
-$G_dbI = 10 * log_{10}(638.2535) = 28.049 dbI$ gain+$G_{dbI} ​= 10 * log_{10}(638.2535) = 28.049 dbI$ gain
  
 with a beamwidth of  with a beamwidth of 
Line 47: Line 47:
 $G = \frac{\pi^2 * 3.345241m^2}{0.0008151025m^2}*.70 = 28353.9109$ times mag $G = \frac{\pi^2 * 3.345241m^2}{0.0008151025m^2}*.70 = 28353.9109$ times mag
  
-To convert that into dB [[wp>​Isotropic_antenna|isotropic]], ​$ dbI = 10*log(power)$+$G_{dbI= 10 * log_{10}(22278.0729= 42.478 dbIgain
  
-$G_dbI = 10 * log_{10}(22278.0729) = 42.478 ​dbI$ gain +$G_{dbI= 10 * log_{10}(28353.9109) = 44.526 dbI$ gain
- +
-$G_dbI ​= 10 * log_{10}(28353.9109) = 44.526 dbI$ gain+
  
 with a beamwidth of  with a beamwidth of 
  
 $ \theta = \frac{70 * 0.02855}{1.829m} = 1.0926°$ $ \theta = \frac{70 * 0.02855}{1.829m} = 1.0926°$
notes/parabolic_reflection.txt · Last modified: 2017/02/05 22:43 (external edit)
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