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Ansoft Designer / Ansys Designer 在线帮助文档:


Designer File Formats >
   Nexxim Netlist Format >
       Netlist File Structure >
           Statements >
                >
                   Derivative Function                       


Derivative Function

The syntax for the derivative of a quantity at an event is:

.MEASURE [DC|AC|TRAN] result
+ DERIVATIVE output_var|'expression' AT=at_value

.MEASURE [DC|AC|TRAN] result
+ DERIVATIVE output_var|'expression' AT=at_value
+ WHEN output_var=value|output_var|PAR('expression')
+ [TD=delay|'expression']
+ [CROSS=crosses|LAST] | [RISE=rises|LAST] | [FALL=falls|LAST]

Where at_value is time for TRAN, frequency for AC, and a parameter value for DC analysis.

 




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