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Earth Base - Space Satellite Link Budget Stampa
Scritto da Administrator   
Mercoledì 28 Luglio 2010 10:12

In this figure all the equations to compute a power link budget between an Earth Base

and Space Satellite are provided:

 

 f = 
 [GHz] 
 R = 
 [Km] 
 L_{A} = 
 [dB] 
 L_{FS} = 
 [dB] 
 L_{POL} = 
 [dB] 
 NF_{RX} = 
 [dB] 
 D_{T} = 
 [m] 
 D_{R} = 
 [m] 
 \eta_{T} = 
 \eta_{R} 
 k_{T} = 
  [deg] 
 k_{R}
 [deg] 
 \theta _{T3dB} = 
  [deg] 
 \theta_{R3dB}
 [deg] 
 G_{Tmax} = 
  [dB] 
 G_{Rmax} 
 [dB] 
 \alpha _{T} = 
  [deg] 
 \alpha _{R}
 [deg] 
 L_{T} = 
  [dB] 
 L_{R}
 [dB] 
 P _{TXW} = 
  [W] 
 P _{RXW}
 [W] 
 P _{TXdbm} = 
  [dBm] 
 P _{RXdbm}
 [dBm] 
 L _{FTX} = 
  [dB] 
 L_{FRX}
 [dB] 
 T_{0} = 
 [K] 
 T_{F} = 
 [K] 
 T_{m} = 
 [K] 
 A_{RAIN} = 
 [dB] 
 T_{GROUND} = 
 [K] 
 T_{SKY} = 
 [K] 
 T_{SYS} = 
 [K] 
 \Delta T_{A} = 
 [K] 
 N_{SYS} = 
 [dBm/Hz] 
 T_{A} = 
 [K] 
 \frac{P _{RXW}}{N_{SYS}} = 
 [dBHz] 

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Ultimo aggiornamento Domenica 01 Agosto 2010 08:56