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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >A Krylov-subspace technique for the simulation of integrated RF/microwave subsystems driven by digitally modulated carriers
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A Krylov-subspace technique for the simulation of integrated RF/microwave subsystems driven by digitally modulated carriers

机译：一种Krylov子空间技术，用于仿真由数字调制载波驱动的集成RF /微波子系统

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摘要

This article introduces a new approach to the analysis of nonlinear RF/microwave systems or subsystems described at the circuit level and excited by sinusoidal carriers modulated by arbitrary baseband signals. The circuit is simulated by a sequence of harmonic-balance analyses based on a Krylov-subspace method driven by an inexact Newton loop, and suitably modified to account for coupling with a finite number of preceding time instants. The Jacobian matrix of the nonlinear solving system is computed by an exact algorithm, and its structure is shown to be very well suited for the application of Krylov-subspace techniques such as the GMRES method. In this way, problems with many millions of nodal unknowns may be efficiently tackled at the workstation level.©1999 John Wiley & Sons, Inc. Int J RF and Microwave CAE 9: 490–505, 1999.
机译：本文介绍了一种用于分析非线性RF /微波系统或子系统的新方法，该系统在电路级别进行了描述，并受到任意基带信号调制的正弦载波的激励。该电路通过基于不精确牛顿回路驱动的Krylov子空间方法的一系列谐波平衡分析进行仿真，并经过适当修改以考虑到有限数量的先前时刻。非线性求解系统的雅可比矩阵是通过精确算法计算得到的，其结构非常适合于GMRES方法等Krylov子空间技术的应用。这样，可以在工作站级别有效地解决数百万个节点未知的问题。©1999 John Wiley＆Sons，Inc. Int J RF and Microwave CAE 9：490-505，1999。

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