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各位好,
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6 T0 U- Q2 V- y" b0 F新人向各位请教一个问题, 在使用SYSTEM SI 的提取POWER SI中PCB的S参数时,出现错误如下:' n- v2 K$ R- M8 f5 E0 N ^. ]
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****Signal Net Statistics for Net DDR_DQS3M*****
( v& e5 g# F& |8 y Total number of traces buried under pads : 26 z0 g- [2 R! O) p I
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****Summary : Signal Net Statistics for the Design*****, i+ d# L% W" ~. K4 M3 z( {% T1 M
Total number of small shapes : 03 r% k7 t& ~' f& V; s
Total number of large shapes : 01 x( L- T2 v& S' F3 c
Total number of traces buried under traces : 0. |6 x6 i6 C6 }1 F1 t
Total number of traces buried under pads : 90
* D, {: Y, S E: j1 N% |- d Total number of traces overlapping along length : 0
" {8 R8 l9 D, `. w8 b9 c* B Total number of traces aligned along length : 3& c+ M) C9 E! L
Total number of traces with no reference : 0, C& H: r9 l0 C5 E, |5 Y( x
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- u* z+ k/ {. ~: P4 w请问 traces buried under pads和traces aligned along length 是什么意思啊?怎样才能消除错误?感激不尽!!!!!!!!% ~8 W8 J( k' x
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