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what is fixed-point in a simulink model and how to do it?

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saeede soleymani
saeede soleymani 2015 年 12 月 2 日
コメント済み: saeede soleymani 2015 年 12 月 2 日
what means fixed point in a simulink model and how to do it ??

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Titus Edelhofer
Titus Edelhofer 2015 年 12 月 2 日
Hi,
fixed point means not using the usual double precision variables but using integers (with a scaling and bias). A simple example would be an 8 bit unsigned integer with a scaling of 2^-4. This means you have 4 bits for the value (i.e. values 0-15) and 4 bits after the decimal point (means a precision of 2^-4 = 0.0625).
Read the corresponding section in the Simulink documentation on "Fixed-Point Data" in the section Modeling->Configure Models->Data Types->Concepts.
Titus

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