求解释

忍者22

Name : AC1PH - Steady-state (cosine) function. TYPE 14.
Card : SOURCE
Data :    U/I= 0: Voltage source. A radio button is used in newer ATPDraw versions.
  ?' l& k. K$ b              -1: Current source.
7 u# w& s2 @" P  s* N* i          Amp= The peak value in [A] or [V] of the function.
& W, h) i: e9 G6 p            f= Frequence in [Hz].
8 T; a7 [& n& P2 i0 o4 e- k0 M' ~          pha= Phase shift in degrees or seconds depending on A1.
2 a" {7 V  s! x& t; M- x9 F7 Z           A1= 0: pha in degrees.
0 ~$ t+ L/ G& E. ]2 m1 n( V& o              >0: pha in seconds.
3 J( m" ~% Y8 E! `3 `         Tsta= Starting time in [sec.]. Source value zero for T<Tsta.
         Tsto= Ending time in [sec]. Source value zero for T>Tsto.
2 F; x7 S, B7 b8 Z' z5 D$ _Node :     AC= Positive node of cosine function.
1 `0 {( g0 Z, l6 E               Negative node is grounded.
( N; S5 j. f! u, n( Q' w7 RFor trapped charge functions: Specify a current source, a very low frequency, Tsta=5432. and Tsto=0.
( X' j, s9 b, KRuleBook: VII.C.4
9 j6 W2 R+ L2 s" {/ I# U6 a请问红色字体是啥意思？