我做PSpice9直流扫描分析（DC Sweep)来验证二极管的V-I特性曲线时候
,无法出现porbe窗口
出现如下信息
**** 05/22/05 14:30:06 *********** Evaluation PSpice (Nov 1999) **************
** Profile: "SCHEMATIC1-111" [ C:\Program Files\OrCAD_Demo\111-SCHEMATIC1-111.sim ]
**** CIRCUIT DESCRIPTION
******************************************************************************
** Creating circuit file "111-SCHEMATIC1-111.sim.cir"
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
*Libraries:
* Local Libraries :
* From [PSPICE NETLIST] section of pspiceev.ini file:
.lib "nom.lib"
*Analysis directives:
.DC LIN V_V1 -110 10 0.01
.PROBE
.INC "111-SCHEMATIC1.net"
**** INCLUDING 111-SCHEMATIC1.net ****
* source 111
V_V1 N00016 GND 0Vdc
D_D1 N00016 GND D1N4002
**** RESUMING 111-SCHEMATIC1-111.sim.cir ****
.INC "111-SCHEMATIC1.als"
**** INCLUDING 111-SCHEMATIC1.als ****
.ALIASES
V_V1 V1(+=N00016 -=GND )
D_D1 D1(1=N00016 2=GND )
_ _(GND=GND)
_ _(GND=GND)
.ENDALIASES
**** RESUMING 111-SCHEMATIC1-111.sim.cir ****
.END
ERROR -- Node N00016 is floating
ERROR -- Node GND is floating
不知道怎么会事?
高手解答,万分感谢
