1 ) ------------------------------------------------------------------------------------------------------------------------------- $ H- c" T3 V1 h m2 lStatistical distribution of peak voltage at node "X0002A". The base voltage for per unit printout is V-base = 6.53197300E+05 8 R! g: Z& X% }2 O3 ?, h Interval voltage voltage in Frequency Cumulative Per cent # c: |9 r3 o/ T number in per unit physical units (density) frequency .GE. current value 2 q; }. @/ E& `' o9 ]% Y. V+ R 22 1.1000000 7.18517030E+05 0 0 100.0000004 e, ?7 B; v7 L: v
23 1.1500000 7.51176895E+05 27 27 77.500000( h' x: i! g7 o4 Z$ m2 A1 `
24 1.2000000 7.83836760E+05 51 78 35.0000007 J, s: ?% _2 Y) \/ {+ b3 F" u6 l
25 1.2500000 8.16496625E+05 39 117 2.500000, f! _" E) i* w. c7 ^1 [; I
26 1.3000000 8.49156490E+05 3 120 .000000 6 g) p. J% O" O* c4 P+ k' U- B, lSummary of preceding table follows: Grouped data Ungrouped data ! E& Y7 ?6 ~& L5 L; h Mean = 1.18250000E+00 1.18075096E+009 o O- u1 y% V7 |/ H
Variance = 1.58193277E-03 1.50641231E-03 , N8 o0 a+ V" Q! l5 w8 k4 V) ~ Standard deviation = 3.97735185E-02 3.88125278E-02 0 b- N, [, R/ b ^4 s2 J/ {& [- f( d 上面的结论是做操作过电压仿真计算出来的，采用统计开关按120次正态分布。请问这里面frequency和.GE. current value是什么意思？还有最后四行Grouped data和Ungrouped data有什么区别？Mean、Variance和Standard deviation代表了什么？谢谢各位大侠指教！
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发表于 2010-1-27 05:44:07
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