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Modelling registers in Embedded MATLAB


Kiran Kintali


26 Aug 2007 (Updated )

This example shows how to use Embedded MATLAB to model memory elements

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Delay blocks in Simulink help to model memory elements in hardware. This example shows how to model the same delays in Embedded MATLAB using persistent variables.

The model consists of four subsystems each modeling a kind of delay (unit delay, integer delay, tap delay, tap delay vector) and comparing the results with corresponding block in Simulink with identical behavior.

Delays are essential in writing causal algorithms (those that use previous input and output samples to compute current output samples) in signal processing.

Required Products Fixed-Point Designer
MATLAB release MATLAB 7.4 (R2007a)
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