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Understanding Sample Rates
Sample rates are an important concern in most DSP models, especially in systems incorporating rate conversions. In most cases, when you build a Simulink model you only need to worry about setting sample rates in the source blocks, such as Signal From Workspace; Simulink automatically computes the appropriate sample rates for all downstream blocks. Nevertheless, if you are designing a DSP system with Simulink for the first time, you may have a number of questions about sampling, especially if your model incorporates frame-based or multirate components. For example: