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Time domain analysis of field effect transistors using unconditionally stable finite difference method

机译:使用无条件稳定有限差分法的场效应晶体管的时域分析

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摘要

In this study, an unconditionally stable finite difference time domain algorithm for time domain analysis of the active multiconductor transmission lines is presented. The results of the proposed algorithm are compared with the results of the conventional algorithm. While the results of the proposed algorithm have a very good accuracy, the CPU time of the proposed algorithm is less than (about 90%) that of the conventional one. The amplification matrixes of the proposed and conventional algorithms are extracted and numerical stability of them are investigated. The spectral radius of the presented algorithm is smaller than one for any temporal step sizes and the proposed algorithm is unconditionally stable.
机译:在这项研究中,提出了一种无条件稳定的有限差分时域算法,用于有源多导体传输线的时域分析。将该算法的结果与传统算法的结果进行比较。虽然提出的算法的结果具有非常好的准确性,但是提出的算法的CPU时间少于传统算法的CPU时间(约90%)。提取了提出算法和常规算法的放大矩阵,并研究了它们的数值稳定性。对于任何时间步长,所提出的算法的谱半径都小于1,并且所提出的算法是无条件稳定的。

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