ADS2013.06仿真时出现问题

guoeda123

+ s, h+ B9 \  ?  n4 W) L& J4 F各位，我碰到个情况解决不了了 ，照着ADS2008那本书仿真低噪声放大器，我用的ads13.06版本的，仿真噪声系数的时候NFmin比书上的大不少，并且还有仿真温度是25度，和ieee标准的16度不一样，在option里改 ，但是找不到改温度的选项
Warning detected by hpeesofsim during SP analysis `SP1'.
* J1 G3 ?+ i  G1 Z7 m    The simulation temperature (25.0 C) is not the same as the IEEE standard
4 l8 z/ \, X1 r3 T    noise temperature (290 K or 16.85 C) in the noise analysis `SP1'.
' Y1 Y1 }# m+ Z$ |* k) Q    If the simulation temperature is not equal to the IEEE standard temperature,
    then the loss and the noise figure will not agree for a passive circuit.
    The `Temp' parameter on the Options item can be set to 16.85 C to
    eliminate this warning message. 有哪位知道这是怎么回事？谢谢