In Figure 6.1 Equation block Eqn1 includes a mixture of variable assignments that are independent of simulation output data, component values Cp and Rs, and To understand how Qucs-S deals with post-simulationĭata processing and visualization it is important that readers become aware of a number of critical, highly significant, facts concerning Qucs Equation blocks.įigure 6.1 shows a very simple RC circuit who's performance is simulated with AC and transient simulation.įigure 6.1 A basic RC test circuit with component values set by a Qucs Equation block: component properties, parameter equations and post processing equations Qucs-S post-simulation data processing is linked to the use of Qucs Equation blocks and Qucs-S Nutmeg Equation blocks. measurement post-simulation data processing Įxtended GUI style data visualization Octave data processing and plotting PRINT statements with "algebraic and numeric" non-linear equations for numeric data processing H SPICE style. SPICE OPUS : Spice nutmeg script controlled numerical data processing Extended Qucs GUI style data visualization Octave data processing and plotting.measurement post-simulation data processing Ngspice : Spice nutmeg script controlled numerical data processing Extended Qucs GUI style data visualization H SPICE style. Qucs : Built in MATLAB style numerical data processing GUI data visualization Octave data processing and plotting.The following list presents a resume of the data manipulation and plotting features implemented by Qucs and the spice4qucs additions central to Qucs-S. Nutmeg scripts and Xyce embedded equations in SPICE. Qucs-S makes use of the existing Qucs post-simulation data processing facilities BUT modifies their operation to take into account the numerical and algebraic functions provided by Ngspice and SPICE OPUS In this chapter the Ngspice, Xyce and SPICE OPUS post-simulation data processing and visualization capabilities are introduced and applied to a number of example simulation case studies. Ngspice, Xyce and SPICE OPUS post-simulation data processing with Qucs-S and Octave Introduction to capabilities
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