[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：
?N!.:~~k  
Simulation / Synthesis Messages YU%U  
Error detected by hpeesofsim during Nominal Optimization 'Optim1' KH76Vts  
OptimGoal/YieldSpec independent variable 'freg' not found in result data... ^o6&|q  
L@LT*M  
Status / Summary 9TOq
A4  
hpeesofsim (*) 331.200 May  6 2008 (built: 05/06/08 00:26:15) uze5u\  
Copyright Agilent Technologies, 1989-2008. [5jXYqD=vj  
OPTIM Optim1[1] <F:\ADS\filter_prj\networks\cesc>  optIter=(0->100) #jR1ti)p  
SP Optim1[1].SP1[0] <F:\ADS\filter_prj\networks\cesc>  optIter=0  freq=(2.7 GHz->3.4 GHz) &<S]=\  
.Warning detected by hpeesofsim during SP analysis 'SP1'. U10:@Wzh  
    UserValue(1.000000) < MinRecommendValue(0.000008) OR UserValue > MaxRecommendValue(0.080000) for 'W' in `CLin1' *Mr'/qp,  
Warning detected by hpeesofsim during SP analysis 'SP1'. cP(is!  
    UserValue(1.000000) < MinRecommendValue(0.000080) OR UserValue > MaxRecommendValue(0.008000) for 'S' in `CLin1' _,]@xFCOH  
Warning detected by hpeesofsim during SP analysis 'SP1'. /7XV
r"R  
    UserValue(1.000000) < MinRecommendValue(0.000008) OR UserValue > MaxRecommendValue(0.080000) for 'W' in `CLin2' G[[<-[C]5  
Warning detected by hpeesofsim during SP analysis 'SP1'. 1jQlwT(:  
    UserValue(1.000000) < MinRecommendValue(0.000080) OR UserValue > MaxRecommendValue(0.008000) for 'S' in `CLin2' &$E.rgtg  
Warning detected by hpeesofsim during SP analysis 'SP1'. 3gU*,K7  
    UserValue(1.000000) < MinRecommendValue(0.000008) OR UserValue > MaxRecommendValue(0.080000) for 'W' in `CLin3' $iAd)2LT  
Warning detected by hpeesofsim during SP analysis 'SP1'. %(n^reuP  
    UserValue(1.000000) < MinRecommendValue(0.000080) OR UserValue > MaxRecommendValue(0.008000) for 'S' in `CLin3' Eg|C  
Warning detected by hpeesofsim during SP analysis 'SP1'. Y^J/jA0\B  
    UserValue(1.000000) < MinRecommendValue(0.000008) OR UserValue > MaxRecommendValue(0.080000) for 'W' in `CLin4' ]5i]2r1  
Warning detected by hpeesofsim during SP analysis 'SP1'. $
 &fm^1
 
    UserValue(1.000000) < MinRecommendValue(0.000080) OR UserValue > MaxRecommendValue(0.008000) for 'S' in `CLin4' Lk]/{t0  
Warning detected by hpeesofsim during SP analysis 'SP1'. 3r,^is  
    UserValue(1.000000) < MinRecommendValue(0.000008) OR UserValue > MaxRecommendValue(0.080000) for 'W' in `CLin5' \jThbCb  
...................................................................... 7 `& NB]  
------------------------------------------------------------------------------- V(6ovJpA0  
.. .2:S0=xt<  
)1S"D~j-  

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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 hXm}
d\  
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！