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]' n9 c% Q: d, j6 w1 `
The lossless part can be described in three ways! n2 J; f; \% A' f: j5 ^$ S; j+ S
0. Inductance L' in [mH/m] if Xopt=0 or in [ohm/m] if Xopt=power frequency
; l( ?+ J- L9 |/ \: s' Z Capacitance C' in [uF/m] if Copt=0 or in [uMho/m] if Copt=power frequency
A r5 f r4 I 1. Modal surge impedance in [ohms]; Z=sqrt(L'/C'), d9 v4 S* E2 {$ d/ h% |
Modal propagation velocity in [m/s]; v=1/sqrt(L'*C')% d' C+ `4 \' M0 ?* M
2. Modal surge impedance in [ohms]- I. r. x J/ ]. q$ _; s# C
Modal propagation time in [s]; T=sqrt(L'*C')*length
0 I1 Z) ?, o# @% e, m0 [: D Xopt. and Copt. are set in menu: ATP|Settings/Simulation.
- @7 t) [' n. L The user can choose conductance modeling G=0 (the usual case) and G=R*C/L (distortionless)% L: Y3 ~# y& i* R9 D) z
length= length of line in [m]
3 m6 \3 {; l: `9 A" L% j7 D8 M帮助里面的,说的够清楚了吧2 n/ D/ r0 k3 D4 x* {
Xopt在setting里面设置,如果用的是atpdraw的话 |
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