Simulink tapped delay block with vector inputs
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All,
I have often needed a "shift-register" function in Simulink that can accept vector inputs. The tapped delay only supports scalar inputs. I typically build this function using the "Matlab Function" block.
How do other people solve this problem? Is there a built-in solution I am not aware of?
Maybe someone from MathWorks is reading these questions? It is a pretty big gap that there is no built-in way to build a shift register with vectors.
Thanks.
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Vanita
2025-8-12
0 个投票
Hi Sean,
To build a shift register block with vector input in Simulink, the Delay Line block from the DSP System Toolbox is a good option. This block supports vector inputs and can implement a shift register by delaying the input signal by a set number of samples. You can refer to the following document for more details:
Hope this helps!
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praguna manvi
2025-3-17
0 个投票
The "Tapped Delay" block natively accepts only scalar inputs. A workaround to pass vector inputs is to use a "Buffer" block, setting the "Overlap" property to one less than the buffer size. Here is a useful discussion thread on a similar use case:
For more information on the "Buffer" block, refer to the following link:
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