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    • 1. 发明授权
    • Electromagnetic solutions for full-chip analysis
    • 用于全芯片分析的电磁解决方案
    • US07509247B2
    • 2009-03-24
    • US11098538
    • 2005-04-05
    • Dan JiaoChanghong Dai
    • Dan JiaoChanghong Dai
    • G06F7/60G06F17/50G06F9/45
    • G06F7/60G06F17/5018G06F2217/16
    • A modeling method is provided that includes receiving a computational model of a structure and slicing the computational model into a plurality of circuit prints. The plurality of slices may include essential circuit prints and backfill circuit prints. Various unknowns may be eliminated between essential circuit prints of the computational model. The unknowns to be eliminated may include volume unknowns and backfill circuit-print unknowns. The numerical system formed by circuit-print unknowns may be divided into a plurality of blocks. The blocks may be solved in turn. One block may be solved by projecting the contributions from other blocks to this block. The solution of the one block may be translated to other blocks to solve unknowns therein. The computational model may then be solved to determine electromagnetic and circuit characteristics of the structure.
    • 提供了一种建模方法,其包括接收结构的计算模型并将所述计算模型切片成多个电路印刷。 多个切片可以包括必要的电路印刷和回填电路印刷。 在计算模型的基本电路图之间可以消除各种未知数。 要消除的未知数可能包括体积未知数和回填电路印刷未知数。 由电路打印未知数形成的数值系统可以被分成多个块。 块可以依次解决。 可以通过将来自其他块的贡献投影到该块来解决一个块。 一个块的解可以转换成其他块来解决其中的未知数。 然后可以解决计算模型以确定结构的电磁和电路特性。
    • 9. 发明申请
    • Circuit simulation using precision-space concept
    • 电路仿真采用精密空间概念
    • US20070005325A1
    • 2007-01-04
    • US11174124
    • 2005-06-30
    • Jian GongChanghong Dai
    • Jian GongChanghong Dai
    • G06F17/50
    • G06F17/504
    • An arrangement is provided for using a precision space (“p-space”) to represent s-parameters when analyzing/simulating a circuit/network. The p-space is one dimensional with a value range corresponding to the value range of s-parameters. The p-space is divided into multiple slots where the number of slots may depend on the permissible precision of s-parameter values. A mapping relationship between s-parameters and p-space slots may be obtained by partitioning an s-parameter matrix. Based on the mapping relationship, p-space representations of original s-parameters may be generated through a forward projection process from s-parameters in a two-dimensional matrix to the one-dimensional p-space. During the simulation process, a p-space representation may be projected back to original s-parameters in a matrix based on the mapping relationship.
    • 提供了一种在分析/模拟电路/网络时使用精密空间(“p空间”)表示s参数的布置。 p空间是与s参数的值范围对应的值范围的一维。 p空间被分成多个槽,其中槽数可以取决于s参数值的允许精度。 可以通过划分s参数矩阵来获得s参数和p空间时隙之间的映射关系。 基于映射关系,可以通过从二维矩阵中的s参数到一维p空间的前向投影处理来生成原始s参数的p空间表示。 在仿真过程中,可以基于映射关系将p空间表示投影回矩阵中的原始s参数。