本文将微分求积法(DQ方法)应用于高速大规模集成电路互连线的瞬态模拟。DQ方法是一种直接的数值方法 ,与差分和有限元法相比 ,它的计算量可以大大降低 ,且具有较高的精度。DQ方法的主要思想是将某坐标方向上的微分算子用该方向上一系列适当的离散点的函数值加权逼近 ,将偏微分方程化为常微分方程或代数方程求解。DQ方法用于高速大规模集成电路互连线系统的瞬态模拟非常有效 ,其适用范围也相当广泛 In this paper, the differential quadrature method (DQ method) is applied to the transient simulation of high speed large scale integrated circuit interconnection. The DQ method is a direct numerical method. Compared with the difference and finite element method, the DQ method can greatly reduce the computational cost and has higher accuracy. The main idea of ​​DQ method is to approximate the differential operator in a coordinate direction with the function value of a series of appropriate discrete points in the direction and solve the partial differential equation as ordinary differential equation or algebraic equation. The DQ method is very effective for transient simulations of high-speed, large-scale integrated circuit interconnection systems and has a wide range of applicability