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    • 2. 发明申请
    • METHOD AND APPARATUS FOR ANALYSING AND MODELING OF ANALOG SYSTEMS
    • 模拟系统分析与建模的方法与装置
    • WO2003023661A2
    • 2003-03-20
    • PCT/US2002/028512
    • 2002-09-06
    • CARNEGIE MELLON UNIVERSITYPILEGGI, LawrenceLI, Peng
    • PILEGGI, LawrenceLI, Peng
    • G06F17/50
    • G06F17/5036
    • Method and apparatus for analysis and modeling of analog systems. A system is partitioned for analysis by linearizing each non-linear element so that a large-signal operating point or some other weighted behavior of the non-linear element is captured in a linearized model. The linearized models are collapsed with linear elements so that the analog system is represented as a constant linear system with at least one, but possibly more independent energy sources. Once the system is partitioned in this way, an efficient steady-state non-linear analysis is performed to produce output responses at points of interest. Optionally, the steady-state analysis can be used to generate a macromodel of the analog system that can be used for system level analysis. A computer program product can be used to implement the invention, which can be applied to various types of analog systems, including analog circuits.
    • 用于模拟系统分析和建模的方法和装置。 通过对每个非线性元素进行线性化,将系统划分为分析,以便在线性化模型中捕获非线性元素的大信号操作点或某些其他加权行为。 线性化模型用线性元件折叠,使得模拟系统被表示为具有至少一个但可能更独立的能量源的恒定线性系统。 一旦以这种方式对系统进行分区,就进行有效的稳态非线性分析,以在感兴趣点产生输出响应。 可选地,稳态分析可用于生成可用于系统级分析的模拟系统的宏模型。 计算机程序产品可以用于实现本发明,其可以应用于包括模拟电路在内的各种类型的模拟系统。