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]
- ]4 f- ]% W1 B The lossless part can be described in three ways
* H* d- ^2 w1 X9 p 0. Inductance L' in [mH/m] if Xopt=0 or in [ohm/m] if Xopt=power frequency1 @* `% Y) p! S* b4 u0 ^1 D2 D
Capacitance C' in [uF/m] if Copt=0 or in [uMho/m] if Copt=power frequency3 |) G" {" _- t3 U
1. Modal surge impedance in [ohms]; Z=sqrt(L'/C')8 Z. x/ H" v6 p) d
Modal propagation velocity in [m/s]; v=1/sqrt(L'*C')
9 l) p( d9 a: D* ~, Y$ | 2. Modal surge impedance in [ohms]7 C4 `2 Y, x+ W. G- ?
Modal propagation time in [s]; T=sqrt(L'*C')*length ! Q( F( r; s+ r; K) L% K
Xopt. and Copt. are set in menu: ATP|Settings/Simulation.* Z( y8 i* k" L8 y$ L
The user can choose conductance modeling G=0 (the usual case) and G=R*C/L (distortionless)
) D6 B+ R1 f) ?8 U" r length= length of line in [m]; R' _/ S6 u" L! K+ J
帮助里面的,说的够清楚了吧
8 x ?" ^' N9 L/ J2 b4 `; cXopt在setting里面设置,如果用的是atpdraw的话 |
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