The dc parameters in bims3 were extracted by using three different methods : single model extraction , model - binning , multi model extraction . and the three methods are compared . during the process of model extraction , the optimization algorithm : newton - rufson iteration combined with least square law was used 数据测量结束之后，论文中分别用单器件模型提取、 model - binning 、多器件模型提取三种方法提取bsim3模型直流参数，并对这三种提取方法的优缺点及应用场合作出比较。
The effects of contact potential differences ( cpd ) in the experiments for testing coulomb ' s inverse square law and detecting the photon rest mass based on the concentric metal spheres were discussed , and the ultimate restrictions on hte experimental sensitivities due to cpd were presented for static experiments and dynamic ones respectively 摘要分析基于同心导体球壳方法检验库仑反平方定律和光子静止质量的实验中接触势的影响，并分别给出了静态和动态实验中接触势对实验灵敏度的限制。
