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基于WDF理论的电路仿真收敛性探讨

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基于WDF理论的电路仿真收敛性探讨
Discussion on the Convergence of Circuit Simulation Based on WDF Theory
投稿时间:2019-01-23
DOI:10.15918/j.tbit1001-0645.2019.032
中文关键词:波形数字滤波器模拟电路仿真仿真收敛性
English Keywords:wave digital filteranalog circuit simulationsimulation convergence
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中文摘要:
提出了基于波形数字滤波器(WDF)理论仿真技术,与现有较为成熟的Cadence仿真技术相比,在某些模拟电路的仿真结果中存在不收敛的现象.选取由电阻、电容和电感组合而成的多种电路结构,分别在Matlab和Cadence两种仿真环境中进行仿真,并对仿真结果进行对比分析.针对波形数字滤波器理论仿真技术在某些电路中产生的不收敛现象,提出了3种优化方案.
English Summary:
Compared with the existing mature simulation technology of Cadence, the theoretical simulation technology based on wave digital filter (WDF) showed a non-convergence phenomenon in the simulation process of some analog circuits. In this paper, a variety of circuit structures composed of resistors, capacitors and inductors were simulated in Matlab and Cadence simulation environments. The simulation results were compared and analyzed. Finally, three optimization schemes were proposed to overcome the non-convergence phenomenon with WDF theoretical simulation technology.
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