[正在讨论]用ADS优化出错

有人说是破解不完全的问题，请问是什么原因，以下是出错信息： K14{c1  
Simulation / Synthesis Messages 3UcOpq2i\  
Error detected by hpeesofsim during Nominal Optimization 'Optim1' 7':<I-Fm  
OptimGoal/YieldSpec independent variable 'freg' not found in result data... i,/Q.XL  
6w0r)  
Status / Summary U6M&7l8  
hpeesofsim (*) 331.200 May  6 2008 (built: 05/06/08 00:26:15) s=XqI@  
Copyright Agilent Technologies, 1989-2008. Ucj>gc=  
OPTIM Optim1[1] <F:\ADS\filter_prj\networks\cesc>  optIter=(0->100) ibgF,N  
SP Optim1[1].SP1[0] <F:\ADS\filter_prj\networks\cesc>  optIter=0  freq=(2.7 GHz->3.4 GHz) z.:IUm{z  
.Warning detected by hpeesofsim during SP analysis 'SP1'. U}W7[f lc  
    UserValue(1.000000) < MinRecommendValue(0.000008) OR UserValue > MaxRecommendValue(0.080000) for 'W' in `CLin1' K st2.Yy  
Warning detected by hpeesofsim during SP analysis 'SP1'. k= 9a/M u  
    UserValue(1.000000) < MinRecommendValue(0.000080) OR UserValue > MaxRecommendValue(0.008000) for 'S' in `CLin1' a@-!,Hi  
Warning detected by hpeesofsim during SP analysis 'SP1'. e)4L}a  
    UserValue(1.000000) < MinRecommendValue(0.000008) OR UserValue > MaxRecommendValue(0.080000) for 'W' in `CLin2' -:V2Dsr6;  
Warning detected by hpeesofsim during SP analysis 'SP1'. M-5zsN  
    UserValue(1.000000) < MinRecommendValue(0.000080) OR UserValue > MaxRecommendValue(0.008000) for 'S' in `CLin2' (PnrY~9  
Warning detected by hpeesofsim during SP analysis 'SP1'. IUy5=Sl  
    UserValue(1.000000) < MinRecommendValue(0.000008) OR UserValue > MaxRecommendValue(0.080000) for 'W' in `CLin3' 5{#ya2  
Warning detected by hpeesofsim during SP analysis 'SP1'. -PHqD  
    UserValue(1.000000) < MinRecommendValue(0.000080) OR UserValue > MaxRecommendValue(0.008000) for 'S' in `CLin3' =!2(7Nr  
Warning detected by hpeesofsim during SP analysis 'SP1'. Y;8.(0r/  
    UserValue(1.000000) < MinRecommendValue(0.000008) OR UserValue > MaxRecommendValue(0.080000) for 'W' in `CLin4' YifTC-Q;  
Warning detected by hpeesofsim during SP analysis 'SP1'. !7uFH PK-  
    UserValue(1.000000) < MinRecommendValue(0.000080) OR UserValue > MaxRecommendValue(0.008000) for 'S' in `CLin4' j"<F?k@`Q  
Warning detected by hpeesofsim during SP analysis 'SP1'. jhE3@c@pT  
    UserValue(1.000000) < MinRecommendValue(0.000008) OR UserValue > MaxRecommendValue(0.080000) for 'W' in `CLin5' !xD_=O  
...................................................................... GnW_^$Fs  
------------------------------------------------------------------------------- I=V]_Ik4N  
.. -GL-&^3IjH  
ptpu u=3"  

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查了半天，终于知道为什么出错了

为什么啊？我也想知道原因 楼上的是不是因为没有设置好variable 'freq' ??

原因一是我把freq打成了freg SD:D8"8  
原因二是变量后面没加单位

我也是没加单位，而且加完单位还是不行，原来是中间忘了加空格！