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Method and apparatus for Laplace transform system simulation

机译:拉普拉斯变换系统仿真的方法和装置

摘要

Disclosed are methods and apparatus for implementing system simulation. The method includes generating a high-order equation based on a transfer function that represents characteristics of at least one frequency-domain component in a circuit; converting the high-order equation into a state equation comprising a series of state variables, wherein the high-order equation and the state equation have corresponding coefficients for each order and state variable, and the coefficients of the state equation have a first dynamic range; and normalizing the coefficients for the state variables by adjusting each state variable with a corresponding factor to obtain a normalized state equation having normalized coefficients, wherein the normalized coefficients of the normalized state equation have a second dynamic range smaller than the first dynamic range. The method and apparatus improve accuracy of analyses for the system.
机译:公开了用于实现系统仿真的方法和装置。该方法包括基于传递函数生成高阶方程,该传递函数表示电路中至少一个频域分量的特性;以及将高阶方程转换为包括一系列状态变量的状态方程,其中,高阶方程和状态方程的每个阶和状态变量具有对应的系数,状态方程的系数具有第一动态范围;通过对每个状态变量进行相应的因子调整,以得到具有归一化系数的归一化状态方程,从而归一化状态变量的系数,其中,归一化状态方程的归一化系数具有小于第一动态范围的第二动态范围。该方法和设备提高了系统分析的准确性。

著录项

  • 公开/公告号US9805151B1

    专利类型

  • 公开/公告日2017-10-31

    原文格式PDF

  • 申请/专利权人 CADENCE DESIGN SYSTEMS INC.;

    申请/专利号US201313886191

  • 发明设计人 JIMIN WEN;PENG WANG;

    申请日2013-05-02

  • 分类号G06F17/50;

  • 国家 US

  • 入库时间 2022-08-21 13:44:50

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