用SQP时域优化高速互连线电路

提出了一个基于特征法传输线网络建模和灵敏度分析的非线性高速互连线电路的时域优化设计方法．考虑到高速互连线电路设计的特性，一般其最优值只是在初值的较小邻域，提出用改进的序列二次规划法SQP优化方法保证了算法的整体收敛性及局部超一次收敛性．介绍了用于优化内循环的特征法传输线建模和灵敏度分析．最后，用两个例子证明了方法的可行性．

Optimization of High-Speed Interconnection Circuits with SQP in Time Domain

Based on the network modeling and sensitivity analysis of transmission lines with the method of characteristics, an optimization design method in time domain is　developed　for the　interconnections in nonlinear high-speed circuits． Considering the characteristic of high-speed interconnection circuit design that the optimum of the parameter generally locates in the neighbourhood of the initial value, a series quadratic programming (SQP) optimization method is proposed to ensure the entirety convergence and superlinear local convergence of the algorithm． The network modeling and the　sensitivity analysis of transmission lines with the method of characteristics used in the inner optimization cycle are also　introduced briefly． Finally the feasibility of this method is demonstrated by two examples．