WOLFRAM SYSTEM MODELER
FractionalDelayDelays the clocked input signal for a fractional multiple of the sample period |
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Wolfram Language
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SystemModel["Modelica_Synchronous.RealSignals.NonPeriodic.FractionalDelay"]
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Information
This block delays a signal. Similar to the ShiftSample block the first activation of the clock of the output y is delayed by shiftCounter/resolution*interval(u) relative to the input u (interval(u) is the sample period of the clock associated to input u). However, in contrast to ShiftSample, the block provides a buffer for the input values and truly delays the input signal.
Example
The following
example
shows how a sample sine signal is delayed.
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| model | simulation result |
The parameter values shiftCounter=3 and resolution=2 are visible at the bottom of the fractionalDelay block.
Parameters (2)
| shift |
Value: 0 Type: Integer Description: Delay = interval() * shift/resolution |
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| resolution |
Value: 1 Type: Integer Description: Time quantization resolution of sample interval |
Connectors (2)
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u |
Type: RealInput Description: Connector of clocked, Real input signal |
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y |
Type: RealOutput Description: Connector of clocked, Real output signal |
Used in Examples (2)
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Modelica_Synchronous.Examples.Elementary.RealSignals Example of a FractionalDelay block for Real signals |
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Modelica_Synchronous.WorkInProgress.Tests |