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2020-5-19 19:34 |
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签到天数: 235 天 连续签到: 1 天 [LV.7]常住居民III 累计签到：237 天
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发表于 2010-11-13 12:40:20
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R/l= Resistance pr. length in [Ohm/m]7 `+ X. {* k' @
The lossless part can be described in three ways
, w7 d( O4 q2 h! p8 s 0. Inductance L' in [mH/m] if Xopt=0 or in [ohm/m] if Xopt=power frequency. a0 M4 b \4 p# _0 `5 R5 o, s- V
Capacitance C' in [uF/m] if Copt=0 or in [uMho/m] if Copt=power frequency
- p' }& ?8 C0 Q" w( Q4 { 1. Modal surge impedance in [ohms]; Z=sqrt(L'/C'), F5 |. J9 m8 v4 d6 N% V' `
Modal propagation velocity in [m/s]; v=1/sqrt(L'*C')
& i2 V j+ i! ~9 I- p' k 2. Modal surge impedance in [ohms]
6 W* J: o: M( B" B7 i1 j2 \ Modal propagation time in [s]; T=sqrt(L'*C')*length
1 \0 q0 T/ }4 ^. B+ g$ b# {2 [ Xopt. and Copt. are set in menu: ATP|Settings/Simulation.! U6 P0 U* X M! p/ z- c, q% O
The user can choose conductance modeling G=0 (the usual case) and G=R*C/L (distortionless)3 _+ ^4 E0 ^' {3 A
length= length of line in [m]. `. E- T0 ?) ]6 z% F, H6 O
帮助里面的，说的够清楚了吧
) \; c9 ~+ ~, G! C5 T, t$ v! L( {Xopt在setting里面设置，如果用的是atpdraw的话 |
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