TA的每日心情 | 慵懒 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 连续签到:1 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]
. m) g% h7 a; o The lossless part can be described in three ways+ o4 Z" B! Q P- z
0. Inductance L' in [mH/m] if Xopt=0 or in [ohm/m] if Xopt=power frequency% ^" `1 n8 c& F! x# K
Capacitance C' in [uF/m] if Copt=0 or in [uMho/m] if Copt=power frequency q# o, d! `7 J6 R- F
1. Modal surge impedance in [ohms]; Z=sqrt(L'/C')
2 I+ a9 q# a5 G Modal propagation velocity in [m/s]; v=1/sqrt(L'*C')
/ S8 T) Q$ N% k' j( Q: k 2. Modal surge impedance in [ohms]
5 P% ~. w' ?! A, a. _4 b Modal propagation time in [s]; T=sqrt(L'*C')*length
4 J& n, Z0 M3 t0 a' g& p! e e Xopt. and Copt. are set in menu: ATP|Settings/Simulation.+ h% j) M1 x) \- o
The user can choose conductance modeling G=0 (the usual case) and G=R*C/L (distortionless)
% k- c3 f- R4 _! S9 ? n3 m length= length of line in [m]( w+ q4 A6 K0 m8 n( @7 W
帮助里面的,说的够清楚了吧0 S+ q. [; `; J3 o D
Xopt在setting里面设置,如果用的是atpdraw的话 |
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